Field Quality Engineer, Energy Storage

Redwood Materials is currently searching for a Field Quality Engineer to join as an early member of a new engineering team working on our Battery Energy Storage System product line. You will be responsible for ensuring the quality, reliability, and safety of deployed Battery Energy Storage System (BESS) assets by identifying, investigating, and preventing field issues. This role works closely with Operations & Maintenance (O&M) teams that perform routine monitoring and maintenance, and with Service Engineering, which owns advanced technical escalation. 

The Field Quality Engineer serves as the frontline quality owner in the field, focusing on identifying systemic quality issues, conducting structured investigations, and driving corrective and preventive actions. This role plays a critical part in reducing repeat failures, improving fleet reliability, and feeding real world learnings back into engineering, suppliers, and operational processes. You’re a doer, excited about getting your hands dirty and working in a dynamic, fast-paced setting, and want to shape a new department at Redwood.

Responsibilities will include:

Global Supply Chain Manager, Energy Storage

The Global Supply Chain Manager will work closely with engineering, operations, and other functional teams to drive suppliers election, manage supplier agreements, and optimize procurement strategies. This role will optimize cost, quality, and availability of a range of components, sub-assemblies, and finished goods in support of Redwood’s product offering.

Responsibilities will Include:

• Develop a sourcing strategy for a given set of components
• Lead supplier selection activities
• Collaborate with engineering in order to understand key requirement that must be conveyed to potential suppliers
• Drive cost reduction and inventory management strategies that ensure availability of component while minimizing inventory carrying costs
• Manage supplier performance, including quality, on time delivery, sustainability, etc.
• Become the subject matter expert for the assigned list of components and technologies
• Mitigate supply chain risks by working with cross functional teams in engineering, logistics, finance, quality etc. 
• Coordinate with cross-functional partners (Engineering, Manufacturing, Quality, Supply Chain, Finance) to support day to day operations

Desired Qualifications:

• Bachelors degree in engineering, operations, business, economic
• 5-7 years of supply chain experience
• Working knowledge of manufacturing operations, production workflows, and process improvement principles
• Ability to interpret operational, technical, and financial data to support analysis and decision-making
• Ability to travel up to 10% of time
• Effective communication and collaboration skills to work with cross-functional teams and stakeholders
• A passion for sustainability and making the world a better place!

Senior Software Engineer, Energy Storage

This position is on a team building the software platform that powers optimized control and market participation of battery energy storage systems (BESS) — software that runs both on site controllers and in the cloud. Our scope spans the full stack: compute infrastructure, telemetry, asset modeling, alerting, feature ingestion and storage for forecasting and optimization, simulation and operational control orchestration, and integration with energy markets. We're a lean team that holds ourselves to high standards in both the quality of what we build and the speed at which we build it. We value collaboration, trust, learning, and engineering excellence, and we genuinely enjoy building great things together.

Responsibilities will include:

• Contribute to BESS data engineering — building and maintaining telemetry pipelines and stores, and feature ingestion and storage systems for forecasting and optimization
• Design, build, and maintain simulation and training infrastructure — platforms for running and orchestrating simulations at scale
• Develop and operate real-time forecast and optimization workflows, orchestrating pipelines that drive BESS operations
• Support energy market integration, including data ingestion and bid management
• Collaborate across the full stack and across team boundaries to ensure the product system works well as a whole
• Write well-tested, well-monitored software and iteratively improve it over time
• Apply AI tools to accelerate development while maintaining high system design quality and code standards

Desired Qualifications: 

• Strong software design instincts — thinks in systems, reasons from first principles, and understands the real-world challenges of building available, reliable, scalable, and secure distributed systems
• Comfortable using AI tools to move faster without letting them erode system design or code quality
• Excellent collaborator — communicates clearly, listens well, and makes the people around them better
• Bias toward action — takes initiative, makes progress in ambiguous situations, and doesn't wait for perfect information
• Systems thinker and owner — willing to think and collaborate across team boundaries to make sure the product works well as a whole
• Rigorous about quality — writes well-tested, well-monitored software and iterates on it over time
• B.S. or advanced degree in Software Engineering, Computer Science, or another discipline, combined with 2-5 years of experience in software engineering.
• Experience with relevant technologies a plus: Kubernetes, Rust, Python, NATS, PostgreSQL/TimescaleDB, SQLite
• A passion for sustainability and making the world a better place! 

Business Operations Analyst, Energy Storage

We're looking for a Business Operations Analyst, Energy Storage, to support the commercial growth of our utility-scale battery energy storage business. You'll be the operational backbone of our sales organization, driving data-informed decision-making, optimizing our sales processes, and enabling cross-functional collaboration to accelerate our market penetration.

Responsibilities will Include:

• Own and optimize our CRM (Hubspot) to ensure data quality, pipeline visibility, and actionable insights for leadership
• Develop sales analytics and reporting frameworks to track KPIs, forecast performance, and identify growth opportunities
• Support market prioritization and segmentation analysis to guide go-to-market strategy and resource allocation
• Collaborate with Finance and Commercial teams on pricing strategy, competitive analysis, and deal economics
• Lead cross-functional project initiatives across Engineering, Commercial, Legal, and Operations to ensure seamless execution of customer engagements
• Support project management of energy storage project development from contract execution through commissioning, coordinating across internal teams and external stakeholders
• Streamline sales operations processes, including proposal workflows, contract templates, and sales enablement materials
• Conduct market research and competitive intelligence to inform product positioning and commercial strategy
• Build financial models to evaluate project economics, incentive eligibility, and commercial terms
• Support RFP response coordination, ensuring timely and high-quality submissions

Desired Qualifications:

• Bachelor's degree in engineering, business, finance, economics, or related field
• 1 to 5 years of experience in consulting, investment banking, corporate finance, FP&A, or operations roles, ideally with exposure to energy, infrastructure, or technology sectors
• Strong analytical skills with proficiency in Excel financial modeling and data analysis
• Experience with CRM platforms or willingness to become a power user quickly
• Demonstrated ability to manage multiple workstreams and drive cross-functional projects to completion
• Interest in or experience with project managing the development of energy storage or renewable energy projects is a plus
• Excellent communication skills with ability to translate complex data into clear insights for stakeholders
• Highly organized, detail-oriented, and process-driven mindset
• Scrappy, hands-on self-starter who is comfortable rolling up sleeves and tackling whatever needs to get done—no task is too small or beneath you
• Comfortable working in ambiguity and building systems from scratch in a fast-paced startup environment
• Experience in energy storage, renewables, or cleantech is a plus but not required
• A passion for sustainability and making the world a better place!

Software Validation Engineer, Energy Storage 

The Redwood Vision: Architecting the Future of the Grid 

We are at the precipice of a global energy transition. At Redwood Materials, we are moving beyond battery recycling to build the most advanced, circular energy ecosystem on the planet. Our goal is to shift the industry from static, hardware-heavy infrastructure toward agile, software-defined energy assets. The Software Validation team ensures that these complex systems are safe, resilient, and ready for grid-scale deployment. 

As a Software Validation Engineer, you are the bridge between pure code and physical reality. You will design and maintain the environments—Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL)—that allow us to stress-test our power electronics and site controllers. Your mission is to build the automated frameworks that catch edge cases before they hit the field, ensuring every product we ship meets the highest standards of reliability. 

Key Responsibilities 

• Validation Environment Design: Architect and scale our SIL and HIL environments (using platforms like Typhoon HIL, Opal-RT, or similar) to provide high-fidelity simulations of battery assets and grid conditions
• Test Automation Frameworks: Lead the development of automated test suites in Python. You will transition our validation processes from manual intervention to a fully automated, scalable framework
• V&V Strategy: Define and execute comprehensive Verification and Validation (V&V) plans, ensuring all software requirements for the site controller and embedded power electronics are met under normal and fault conditions
• CI/CD Integration: Integrate automated HIL/SIL testing into our CI/CD pipelines, providing real-time feedback to the development teams and serving as the final gate for production-ready code
• Hardware-in-the-Loop Interfacing: Design custom interface hardware and wiring for HIL benches, bridging physical I/O from our controllers to simulated power stages
• Root Cause Analysis: Work closely with the firmware and systems teams to debug complex failures found during validation, using logic analyzers, oscilloscopes, and telemetry logs to pinpoint issues

Qualifications 

• Background: A BS or MS in Electrical Engineering, Computer Engineering, or a related field, combined with 2+ years of professional experience in software validation or test automation for hardware-focused systems
• HIL/SIL Mastery: Proven experience with real-time simulation platforms (Typhoon HIL, Opal-RT, or dSPACE) and a deep understanding of how to model power electronics components in a virtual environment
• Automation Toolchain: Expert proficiency in Python (specifically for test automation frameworks like Pytest) and familiarity with Rust and C/C++ to navigate embedded codebases
• Hardware Literacy: Comfortable in a high-voltage lab environment. You should be proficient with standard lab equipment (oscilloscopes, power supplies, electronic loads) and digital protocols like CAN, SPI, and Ethernet
• Systematic Thinking: A dedicated mindset for "breaking" software. You have a track record of finding critical edge cases in complex state machines and control loops
• Infrastructure: Experience with Git, Jenkins/GitHub Actions, and containerization tools like Docker for managing consistent test environments

Operations Program Manager

We are seeking a highly technical Operations Program Manager to lead build readiness & internal ramp execution for hardware manufacturing. This role requires strong hands-on manufacturing engineering instincts, the ability to dive into process capability and equipment readiness, and real experience improving throughput, yield, and reliability at production facilities. You will manage builds from prototypes to mass production, working with cross-functional teams to ensure processes are capable and stable at scale.

Responsibilities will include:

• Drive cross-functional execution from NPI through mass production, aligning Engineering, Manufacturing, Supply Chain, Quality, Finance, and external stakeholders to meet build and ramp targets
• Define ramp success criteria, build plans, and phase-gate reviews to enable smooth transition from proto → pilot → MP → scale
• Manage program schedules, risks, and dependencies; maintain clear dashboards and communication, escalating critical issues with data-driven options for resolution
• Own factory and supplier readiness for PCBA & box builds: lead technical reviews, capacity & CapEx planning, process qualification, line bring-up, and on-site build support
• Drive yield improvement and issue closure by partnering with internal teams and manufacturing sites to validate process, test coverage, and quality systems
• Lead root cause, containment, corrective action, and long-term process improvements
• Establish run-at-rate requirements and validate capacity at suppliers and internal sites
• Identify bottlenecks and implement solutions for cycle-time reduction, debottlenecking, and throughput increase
• Serve as the primary interface between internal product teams and external manufacturing partners to ensure aligned execution and accountability
• Support go-to-market operational readiness, ensuring supply availability, logistics, and sustaining plans are in place for launch and scale

Desired Qualifications:

• 5+ years in program management, CM operations, manufacturing & process engineering, supplier industrialization, or technical operations in high-volume hardware
• Demonstrated success improving yield, throughput, cycle time, and OEE in production
• Hands-on experience with PPAP/APQP, DOE, SPC, PFMEA, GR&R, control plans
• Strong data analysis skills: Excel/Sheets; SQL, JMP, Minitab or Python beneficial
• Ability to read mechanical and electrical drawings
• Experience in automotive or power electronics manufacturing
• Experience scaling hardware production from lab/pilot → volume manufacturing

Infrastructure Software Engineer, Energy Storage 

The Infrastructure Engineer is responsible for designing, building, and maintaining the foundational platform infrastructure that enables our engineering team to develop and deploy Battery Energy Storage Systems reliably and at scale. This role serves as a force-multiplier across the organization, owning edge fleet management, server provisioning, and deployment automation while ensuring systems are secure, scalable, and performant. The position partners closely with cross-functional engineering teams to translate early deployment learnings into platform improvements and drive resolution of scalability, reliability, and security challenges. Success in this role requires deep technical expertise, a collaborative mindset, and the ability to thrive in an ambiguous, fast-paced, early-stage environment. 

Responsibilities will include: 

• Design and own the rollout of edge Kubernetes fleet management, automated server provisioning, and software update pipelines to support scalable and reliable system deployment. 
• Evaluate server hardware and operating systems to help define the architecture of the organization's next-generation energy storage platform. 
• Identify and resolve hard infrastructure problems, including scalability bottlenecks, reliability gaps, performance issues, and security vulnerabilities. 
• Build and maintain tooling and services used to validate software systems at scale, including performance and reliability testing frameworks. 
• Serve as a technical resource for the broader engineering team through pair programming, in-office working sessions, and hands-on project leadership. 
• Translate learnings from early deployments and customer pilots into concrete, measurable improvements to platform infrastructure. 
• Reinforce a team culture grounded in engineering excellence, curiosity, inclusivity, and a willingness to take action and learn from mistakes. 

Desired Qualifications: 

• 5+ years of relevant industry experience in infrastructure, platform, or site reliability engineering. 
• Strong grasp of system design principles and real-world experience building available, reliable, scalable, and secure distributed systems. 
• Experience designing, implementing, and maintaining secure network systems and infrastructure. 
• Genuine interest in server hardware fundamentals and how software and hardware interact at the platform level. 
• Ability to work comfortably with ambiguity, prototype solutions iteratively, and learn rapidly from early-stage work. 
• Strong written and verbal communication skills, with the ability to explain complex systems clearly to both technical and non-technical audiences. 
• Ability to manage multiple workstreams, shifting priorities, and competing deadlines in a fast-paced, early-stage environment. 

Codes and Standards Lead, Energy Storage

Redwood Materials is pioneering a sustainable circular economy for lithium-ion batteries by transforming recycled materials into critical inputs for energy storage and next-generation battery technologies. We are seeking a Codes and Standards Lead to represent Redwood across the codes, standards, and regulatory ecosystem impacting energy storage systems. This role is responsible for shaping how emerging technologies are regulated, permitted, and deployed, while enabling safe, scalable innovation in a rapidly evolving industry. 

This position is a senior technical thought-leadership role that operates at the intersection of engineering, compliance, policy, and industry advocacy. 

Responsibilities will include:

• Codes and Standards Leadership and Influence: Lead Redwood’s engagement with codes and standards bodies, trade associations, and industry working groups relevant to energy storage systems. Actively influence the development, interpretation, and adoption of codes and standards to remove unnecessary barriers to deployment while maintaining a high bar for safety.
• Hands-On Standards Development (Near Term): Initially, this role will be highly hands-on, with active participation in code hearings, technical task groups, standards committee meetings, and working sessions. Success in the early phase of the role will be driven by technical credibility, consistent engagement, and substantive contributions across multiple forums.
• Strategic Ownership and Evolution (Long Term): Over time, this role will evolve toward setting strategy for where and how Redwood engages across the codes and standards landscape. This includes determining which forums warrant leadership, where coalition-based engagement is appropriate, and how Redwood’s positions are coordinated across topics and organizations.
• Trade Association and Industry Engagement: Work closely with trade associations, peer companies, utilities, insurers, fire service organizations, and other industry partners to establish best practices, align technical positions, and collaboratively develop new guidance, codes, or standards where none currently exist.
• Thought Leadership and Best Practice Development: Serve as a technical thought leader on energy storage safety and deployment. Contribute to and author technical position papers, white papers, and best-practice guidance, particularly in emerging or ambiguous areas of regulation.
• Cross-Domain Standards Integration: Help orchestrate the evolution of battery safety standards to enable the responsible use of EV traction batteries in energy storage systems. This includes evaluating SAE guidance and FMVSS requirements, identifying transferable safety intent, and drawing clear technical parallels to stationary standards such as UL 1973 and UL 9540 to support defensible regulatory pathways.
• Internal Technical Guidance: Translate evolving codes, standards, and industry guidance into clear technical direction for internal engineering, compliance, manufacturing, and product teams. Provide authoritative interpretations where requirements are incomplete, conflicting, or rapidly evolving.
• Regulatory Foresight and Risk Management:  Monitor upcoming code cycles, regulatory trends, and enforcement practices. Anticipate impacts to product design, manufacturing operations, and deployment strategies, and proactively develop engagement or mitigation approaches. 

Desired Qualifications:

• Bachelor’s degree in engineering or a related technical field; advanced degree preferred. 
• 8+ years of experience in energy storage, batteries, power systems, fire protection engineering, or a related technical domain. 
• Demonstrated experience participating in and influencing codes and standards development activities, regulatory working groups, or trade association initiatives. 
• Broad technical understanding of energy storage systems, battery technologies, fire and life safety considerations, and system-level risk. 
• Proven ability to influence without authority and build consensus across diverse stakeholders. 
• Strong technical writing and communication skills, including experience drafting proposals, technical guidance, or position papers. 
• Comfort operating in areas where standards are immature or evolving and technical judgment is required. 
• Ability to represent the company credibly with regulators, AHJs, certification bodies, and senior technical audiences. 
• Passion for shaping the future of energy storage safety and deployment. 

Preferred Experience: 

• Direct participation in codes and standards development activities, including technical committees, task groups, or working groups associated with UL, NFPA, ICC, SAE, IEC, IEEE, or similar organizations. 
• Experience representing a company or industry position in standards meetings, public comment processes, or regulatory forums. 
• Familiarity with energy storage system standards and codes, including UL 9540, UL 1973, UL 1974, NFPA 855, the International Fire Code, and the National Electrical Code. 
• Experience working with trade associations, industry coalitions, or cross-company working groups to establish best practices or consensus guidance. 
• Experience evaluating or applying automotive battery safety frameworks (e.g., SAE documents, FMVSS requirements) and translating safety intent across domains. 
• Comfort operating in technically ambiguous or emerging regulatory spaces where formal standards are incomplete or evolving. 
• Experience supporting or influencing permitting, deployment, or regulatory acceptance of novel or first-of-kind technologies. 
• Prior work at the intersection of engineering, compliance, policy, and industry advocacy. 

Service Engineer, Energy Storage

Position Summary:

Redwood Materials is currently searching for a Service Engineer to join as an early member of a new engineering team working on our Battery Energy Storage System product line.  You will be responsible for resolving complex technical issues across deployed Battery Energy Storage Systems (BESS). This role supports an Operations and Maintenance (O&M) organization that performs routine monitoring, preventive maintenance, and first-line troubleshooting. Service Engineering serves as the technical escalation path for O&M, owning deep diagnostics, system-level failure analysis, and engineering-driven corrective actions. 

The Service Engineer ensures safe, reliable, and high-performing asset operation by bridging field operations and engineering, translating operational issues into engineering solutions, and feeding field learnings back into product and system design. This role has the potential of growing into leadership as the team grows.  

The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on both technical and leadership challenges. You’re a leader and a doer, excited about working in a dynamic, fast-paced setting, and want to shape the electrical engineering function within a new department at Redwood.

Essential Duties and Responsibilities:

• Act as the primary technical escalation point for the O&M organization for issues beyond standard operating procedures
• Define clear handoff criteria, escalation thresholds, and response expectations between O&M and Service Engineering
• Lead, mentor, and scale a team of Service Engineers providing tier-2 and tier-3 technical support
• Own investigation and resolution of complex electrical, controls, software, thermal, and system-integration issues
• Translate field and O&M feedback into actionable requirements for Product, Systems, and R&D Engineering teams
• Drive improvements in system serviceability, reliability, and maintainability through design and process changes
• Own advanced service documentation including troubleshooting guides, decision trees, and service bulletins
• Develop technical training materials and support O&M team upskilling on new systems, upgrades, and known issues

Desired Qualifications:  

Physical Requirements:  

• Ability to perform the essential job functions consistent safely and successfully with the ADA, FMLA and other federal, state and local standards, including meeting qualitative and/or quantitative productivity standards
• Ability to maintain regular, punctual attendance consistent with the ADA, FMLA and other federal, state, and local standards 

Working Conditions:  

• Environment, such as office or outdoors
• Ability to work in challenging working conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE, for extended periods of time
• Essential physical requirements, such as climbing, standing, stooping, or typing
• Occasional work weekends, nights, or be on-call as a regular part of the job
• Travel requirements, up to 40%

Project Engineer, Energy Storage

Position Summary:

Redwood Materials is currently searching for a Project Engineer to join as an early member of a new engineering team working on our Battery Energy Storage System product line. You will own the full project lifecycle - from commercial scoping and BD handoff through engineering, procurement, construction, commissioning, and structured handoff to Operations and Maintenance - for a growing portfolio of utility-scale and behind-the-meter storage projects. 

You are the connective tissue between Business Development, Product Engineering, EPC partners, and customers. You drive schedule, manage risk, and ensure every project is delivered on time, on budget, and to spec.

The ideal candidate is highly self-driven, adaptable to a startup environment, and comfortable operating where processes are still being built. You’re a doer and a builder, excited about working in a dynamic, fast-paced setting, and want to shape how Redwood delivers energy storage projects at scale. 

Essential Duties and Responsibilities

• Drive end-to-end project execution from requirements scoping and BD handoff through engineering, procurement, construction, commissioning, and O&M handoff
• Own the integrated end-to-end schedule, budget tracker, and risk register for each assigned project; proactively identify and escalate schedule or cost risks
• Serve as the primary interface between Business Development, Product Engineering, EPC partners, and customers across all project phases
• Track RFI and submittal workflows, change order logs, permitting, interconnection coordination, and all contractual project deliverables
• Partner with Product Engineering on equipment selection, BOM alignment, and technical scope definition for each project
• Oversee commissioning readiness and test plan execution; manage structured handoff documentation to O&M
• Maintain project data in Smartsheet, SharePoint, and relevant PM tooling; provide S&OP planning inputs and deployment forecasting to leadership
• Capture lessons learned and contribute to the development of repeatable delivery templates, checklists, and execution standards

Desired Qualifications:  

• Bachelor’s degree in Engineering, Program Management, Business, or a related discipline
• 5+ years of program management experience in energy storage, renewable energy, or utility-scale power infrastructure
• Demonstrated experience managing projects from scoping through commissioning and O&M handoff, with ownership of schedule, budget, and risk
• Strong cross-functional communication skills - comfortable managing up, down, and across EPC, customer, and internal engineering teams
• A Passion for sustainability and making the world a better place! 

Physical Requirements:  

• Ability to perform the essential job functions consistent safely and successfully with the ADA, FMLA and other federal, state and local standards, including meeting qualitative and/or quantitative productivity standards
• Ability to maintain regular, punctual attendance consistent with the ADA, FMLA and other federal, state, and local standards

Working Conditions:  

• Hybrid office environment (San Francisco, CA) with regular travel to project sites
• Ability to work in varying site conditions which may include exposure to noise, dust, and temperature extremes while visiting active BESS construction and commissioning sites
• Essential physical requirements, such as climbing, standing, stooping, or typing 
• Occasional work on weekends or after hours to meet project milestones
• Travel requirements, up to 25% - primarily to project sites across the U.S.

Staff Finance Associate, Energy Storage

We're looking for a Staff Finance Associate to join our Energy Storage group in San Francisco. In this role, you'll serve as the financial backbone of our supply chain and product cost operations, driving BOM transparency, cost optimization, and supply chain financial rigor across our energy storage business. You'll own end-to-end BOM cost management and lead cost reduction initiatives across the supply chain.

Responsibilities will include:

• Own and maintain detailed bill of materials cost models across all energy storage products, including raw materials, cells, modules, power electronics, balance of system, and packaging — ensuring accuracy, version control, and visibility across the organization
• Develop and manage should-cost models to benchmark components and subassembly pricing against market rates and supplier quotes
• Identify, quantify, and track cost reduction initiatives across the supply chain in partnership with engineering, procurement, and operations — including supplier negotiations, design-to-value opportunities, and make-vs-buy analysis
• Analyze supplier cost structures and logistics economics to inform sourcing strategy and risk mitigation
• Build financial frameworks that connect procurement decisions, supplier performance, and operational trade-offs to margin and unit economics outcomes
• Partner cross-functionally to inform pricing, sourcing, second-sourcing, and strategic supply chain decisions with rigorous financial analysis

 Desired Qualifications:

• Undergraduate or professional background in Electrical Engineering, Mechanical Engineering, or a related technical field
• Strong foundation in cost modeling, BOM management, supply chain finance, or financial analysis
• Exceptional Excel and financial modeling skills, including experience building bottoms-up BOM cost models and should-cost analyses
• Deep familiarity with manufacturing cost structures and supply chain economics
• Ability to translate complex supply chain and technical details into clear financial insights for executive stakeholders
• Strong communication skills and comfort working across engineering, procurement, operations, and executive teams
• Self-starter mentality with the ability to structure ambiguous problems in a fast-moving environment
• Experience in energy storage, battery systems, or renewable energy supply chains
• A passion for sustainability and making the world a better place!

Functional Safety Engineer, Energy Storage

Redwood Materials is pioneering a sustainable circular economy for lithium-ion batteries by transforming recycled materials into critical inputs for energy storage and next-generation battery technologies. We are seeking a motivated and experienced Functional Safety Engineer to join our team and play a key role in ensuring compliance with functional safety standards and advancing the safe deployment of new energy storage system (ESS) technologies. 

Responsibilities will include: 

• Functional Safety & Compliance: Lead compliance activities for ESS functional safety with a focus on UL 1998 (Software in Programmable Components), UL 991 (Tests for Safety-Related Controls Employing Solid-State Devices), and UL 5500 (Remote Software Updates). Support certification efforts and align product development with functional safety requirements
• Standards Application & Development: Apply safety principles and methodologies to ESS hardware and software. Facilitate and lead the development of FMEA’s, hazard analyses, safety cases, and test strategies. Represent Redwood in standards development activities to help shape emerging requirements for ESS functional safety
• Certification Management: Work with certification bodies (NRTLs) to establish and manage compliance programs for new technologies, ensuring timely approvals to support product introduction milestones. Partner closely with engineering and product teams to integrate safety requirements into development cycles
• Team Support & Alignment: Translate complex safety standards into actionable requirements for cross-functional teams. Provide technical guidance on functional safety practices and address feedback to align product designs with compliance needs
• Risk Management: Develop, document, and execute hazard mitigation and validation strategies. Support testing and verification activities to ensure system safety performance. Coordinate with internal and external stakeholders to resolve compliance and safety issues proactively
• Stakeholder Collaboration: Collaborate with engineering, manufacturing, and product design teams to streamline compliance and safety processes for ESS. Maintain strong relationships with certification bodies and industry partners to stay ahead of evolving safety requirements

Desired Qualifications: 

• Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Systems Engineering, or related field 
• Hands-on experience in embedded software development, ideally within safety-critical or regulated environments
• Preferred experience developing or working directly with microcontroller-based systems, including low-level software or firmware
• Proficiency in C for real-time embedded systems
• Strong background in UL 1998, UL 991, and UL 5500
• Familiarity with international functional safety standards such as IEC 61508, IEC/UL 60730, ISO 26262, or ISO 13849 (preferred)
• Experience working with Energy Storage Systems, power electronics, or safety-critical systems
• Demonstrated ability to apply functional safety methodologies (e.g., hazard analysis, safety cases, V&V planning)
• Experience managing compliance or certification processes with third-party testing/certification bodies
• Strong organizational skills, with high attention to detail
• Excellent communication skills, with the ability to explain complex technical requirements to diverse stakeholders
• A passion for sustainability and making the world a better place!

System Modeling Engineer, Redwood Energy 

You will be an early member of a new engineering team, taking a hands-on role in the design, development, and integration of a new product. This position focuses on developing Multiphysics modeling platform to drive the system design of a novel energy storage system. These models must be robust enough to support multiple users, but agile enough to quickly drive a diverse array of design decisions. 

The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on novel technical challenges. If you’re excited about working in a dynamic, fast-paced setting within a new department at Redwood, we want to hear from you! 

If necessary, the job level will be adjusted to suit the applicant’s experience and responsibilities. 

Responsibilities will include: 

• Contribute to Redwood Material’s in-house performance and technoeconomic model. 
• Drive architectural studies to explore the cost and performance design space. 
• Produce component-level sensitivity analysis to allow component owners to make globally optimal cost and performance tradeoffs. 
• Utilize the models to produce repeatable and dependable results for various stakeholders within the organization to drive product architecture and site-specific deployment decisions. 
• Parallelize our modeling framework to utilize cloud computing resources to get results faster. 
• Lead model validation efforts by writing test plans, working with test engineers to execute the test, and using the data to correlate the model. 
• Effectively communicate modeling results to drive architecture and performance initiatives. 

Desired Qualifications: 

• An MS or PhD in Mechanical Science, Electrical Engineering, or a related field. Or a BS and 2+ years of related work experience. 
• Excellent first-principles physics understanding of electrical and mechanical systems, power delivery, energy storage and transformation, and basic thermal mechanics. 
• Experience collaborating in software projects with multiple contributors. 
• Hybrid or electric powertrain model development, PV model development, or data analysis in Python or MATLAB/Simulink. 
• Familiarity with basic controls techniques, such as filters, PID controllers, and system identification. 
• Experience with optimization techniques. 
• Demonstrated ability to write clear and testable engineering requirements. 
• Strong communication and collaboration skills. 

Systems Engineer, Energy Storage

You will be an early member of a new engineering team, taking a hands-on role in the design, development, and integration of a new product at Redwood. This position will lead our system engineering effort, helping our mechanical, electrical, and software engineers come together and deliver a cohesive system. You will define clear requirements, evaluate and down-select system architectures, and drive the decision throughout the engineering organization. You are a believer and practitioner of model-driven design and have right-sized system engineering frameworks for a scrappy, fast-moving engineering team. The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on novel technical challenges. If you’re excited about working in a dynamic, fast-paced setting within a new team at Redwood, we want to hear from you! If necessary, the job level will be adjusted to suit the applicant’s experience and responsibilities. 

Responsibilities will include: 

• Optimizing architecture to achieve top-level product metrics such as cost, efficiency, energy/power density and availability.
• Ownership of system-level performance and functional requirements as well as development of subsystem and component requirements in partnership with design engineers.
• Performing or defining system modeling, simulation, and testing to validate system performance against requirements.
• Establishing interface definitions across components and between mechanical, electrical, and software teams.
• Reinforce system safety and reliability through participation in DFMEAs, risk assessments, and hazard analyses to identify and mitigate potential failure modes.
• Ensuring compliance with industry (UL) standards. 

Desired Qualifications: 

• BS or MS in Mechanical Science, Electrical Engineering, or a related field and 5+ years of design engineering or system engineering experience.
• Excellent first-principles physics understanding of electrical and mechanical systems, power delivery, energy transformation, and basic thermal mechanics.
• Experience with power electronics product development.
• Proficiency in system modeling tools (Python or Matlab).
• Experience with requirement management tools (Doors, Jama, etc).
• Demonstrated ability to write clear and testable engineering requirements.
• Strong communication and collaboration skills.  
• A passion for sustainability and making the world a better place!

Power Systems Engineer, Energy Storage

Responsibilities will include: 

• Work with the product and controls design teams to translate power system requirements into site controller and inverter controller specifications, influencing system and plant-level control architecture
• Design, develop, and validate plant controller functions for battery energy storage systems including voltage regulation, frequency regulation, P–f and Q–V droop control, active/reactive power control loops, and fast frequency response
• Ensure control algorithms meet utility, ISO, and IEEE requirements including ERCOT interconnection specifications and IEEE 2800 compliance
• Build and strengthen in-house modeling capabilities for Redwood Energy’s products in PSCAD and PSSE, including model validation against field and controller-hardware-in-the-loop behaviors
• Set up and execute CHIL testing on platforms such as RTDS, OPAL-RT, or Typhoon HIL to validate inverter and site controller performance under grid disturbance and fault scenarios
• Develop automation tools for PSCAD and PSSE for interconnection studies using Python, C, or C++ 

 Desired Qualifications: 

• MS or PhD in Electrical Engineering with specialization in power systems and control systems (PhD preferred)
• Strong foundation in classical and modern control theory including PID tuning, state-space modeling, small-signal stability analysis, and frequency-domain analysis (Bode plots)  
• Expert proficiency in MATLAB/Simulink for control algorithm development and testing
• Experience developing and validating user-defined inverter or plant controller models in PSCAD and/or PSSE
• Hands-on experience with inverter-based resource modeling including grid-forming and grid-following control, PLL design, virtual inertia, and droop-based power control 
• Solid understanding of synchronous machine dynamics, excitation and governor systems, and system-level stability concepts (frequency stability, voltage stability, weak grid operation)
• Experience with real-time simulation and CHIL environments (RTDS, OPAL-RT, Typhoon HIL) is strongly preferred 
• Programming experience in Python, C, or C++ for model automation, controls integration, or testing workflows
• Experience performing or supporting transmission-level engineering studies such as transient stability, protection coordination, harmonics, and insulation coordination is a plus
• Familiarity working with utilities, ISOs, or renewable project developers is a plus

Embedded Software Engineer – Power Electronics 

We are at the precipice of a global energy transition. At Redwood Materials, we are moving beyond battery recycling to build the most advanced, circular energy ecosystem on the planet. Our goal is to move the industry away from static, hardware-heavy infrastructure toward agile, software-controlled energy assets. 

While others build "black box" hardware, we are building software-defined power systems. Our Embedded Software team is responsible for the intelligence that drives our power stages, ensuring our energy storage solutions are safe, efficient, and capable of stabilizing the world's most demanding grids. 

As an Embedded Software Engineer, you will be the architect of the real-time firmware that drives our power conversion units. You will live at the intersection of silicon and power, writing the low-level code that controls high-speed switching, manages thermal safety, and communicates with the broader site infrastructure. You will be responsible for bringing new products from white-space R&D to global scale, ensuring our code is as resilient as the hardware it controls. 

Responsibilities will include: 

• Real-Time Control Firmware: Design and implement bare-metal software applications for power electronics, focusing on high-resolution PWM generation, ADC synchronization, and complex timing logic. 
• Low-Level Architecture: Develop and optimize drivers for microcontroller peripherals (SPI, CAN, Ethernet) and architect memory-efficient, multi-core processing strategies for real-time targets. 
• Hardware-Software Synergy: Collaborate with power electronics controls engineers to translate controls theory into deterministic, high-performance code running on Cortex-R and Cortex-M architectures. 
• Modern Build & Test: Maintain robust software build procedures and scripts. You will write highly testable code and integrate it into a modern CI/CD pipeline to ensure every line of code is validated before it hits the lab. 
• System Optimization: Profile and optimize code across multi-core environments, ensuring maximum task efficiency and minimal latency in time-critical control loops. 
• Product Scaling: Leverage a proven track record to take embedded systems from initial prototype to mass-market production, maintaining high standards for code quality and reliability. 

Desired Qualifications: 

• Background: A BS or MS in Electrical Engineering, Computer Engineering, or Computer Science, combined with 2+ years of experience in firmware engineering and a proven track record of shipping new products at scale. 
• Embedded Mastery: Expert proficiency in Rust or C with deep experience debugging complex embedded systems using oscilloscopes, logic analyzers, and JTAG/SWD debuggers. 
• Silicon Expertise: Extensive experience with ARM Cortex-M and Cortex-R architectures, including low-level system architecture, multi-core memory optimization, and bare-metal task management. 
• Power Electronics Literacy: A deep understanding of power-specific software requirements, specifically high-speed ADC sampling, high-resolution PWMs, and hardware timers. 
• Safety-Critical Development: A safety-centered mindset with experience implementing functional isolation and ensuring freedom from interference (FFI) in complex, multi-core software environments. Familiarity with UL certification standards for energy storage systems is a significant plus. 
• Communication Protocols: Practical experience with digital protocols such as I2C, UART, SPI, CAN/CAN-FD, and Ethernet. Familiarity with reverse-engineering CAN protocols or developing custom evaluation tools is a significant plus. 
• Infrastructure & Automation: Knowledge of software build systems and the ability to maintain build scripts (e.g., Make, CMake). Experience with test automation and CI/CD is essential. 
• Bonus Qualifications: Experience developing bootloaders, implementing secure boot, or profiling code on real-time, multi-core targets. 

The Redwood Vision: Modernizing the Grid

Imagine being at the epicenter of the next great industrial shift. Just as the electric vehicle revolution redefined the car as a software-defined machine, Redwood Materials is redefining the global energy grid. We aren’t just managing batteries; we are building the "nervous system" for a circular energy economy.

Our San Francisco R&D team is architecting the transition from static, hardware-heavy infrastructure to dynamic, software-controlled ecosystems. We are proving that a sustainable, 100% renewable grid isn't just a goal—it’s a technical reality powered by superior control intelligence. We are looking for the "architects of the electron" to help us make fossil-fuel peaker plants a thing of the past.

Power Electronics Controls Engineer

As a Power Electronics Controls Engineer, you will lead the design and implementation of the intelligent "brains" for our next-generation Battery Energy Storage Systems (BESS) and mixed-asset energy sites. You will be responsible for the entire journey of our control systems—from white-space conceptualization and advanced modeling to real-world grid impact. Your work will ensure that recycled and new battery assets work in perfect harmony to stabilize the grid and optimize high-power conversion at an industrial scale.

Responsibilities will Include:

• Software-Defined Power: Design and optimize advanced control algorithms for high-power BESS, focusing on grid-forming, grid-following, and complex multi-asset energy site synchronization
• High-Power Conversion Architecture: Develop bidirectional DC/DC and AC/DC control schemes for industrial-scale storage, ensuring peak efficiency, thermal stability, and safety across all operating modes
• Digital Twin Development: Build high-fidelity "Digital Twins" of power stages and grid environments using PLECS and MATLAB/Simulink to predict system behavior under extreme transient and fault conditions
• Virtual & Hardware Validation: Architect and lead comprehensive Hardware-in-the-Loop (HIL) testing environments (Opal-RT/Typhoon) to rigorously stress-test control firmware before deployment
• Circular Asset Integration: Collaborate with battery and systems teams to implement control strategies that optimize the performance and longevity of mixed-asset arrays, including the integration of recycled battery chemistries
• Cross-Functional Leadership: Partner closely with electrical, firmware, and thermal engineers to define the long-term roadmap for modern, resilient energy storage site controllers

Desired Qualifications:

• Educational Depth: MSc or PhD in Electrical Engineering with a specialization in Power Electronics Control Systems. (MSc requires 3+ years of relevant industry experience; PhD preferred)
• Topology Mastery: Deep theoretical and practical mastery of high-efficiency power conversion. You are an expert in resonant topologies (LLC, CLLC, DAB) and advanced multi-level architectures, specifically Flying Capacitor (FC) and Active Neutral Point Clamped (ANPC)
• Control Theory Expertise: Proven ability to design robust closed-loop controllers (Bode, Nyquist, State-Space) and implement them effectively on digital signal processors (DSPs) or microcontrollers
• Modern Toolchain:
  • Expert-level MATLAB/Simulink and PLECS for modeling and simulation
  • Strong proficiency in C for real-time embedded systems
  • Experience with Python for automation, scripting, and data analysis
• Proactive Innovation: A self-driven attitude with the ability to navigate the ambiguity of a fast-paced R&D environment. You enjoy building the framework as much as you enjoy writing the code
• Grid Standards: Familiarity with grid-interconnection codes (e.g., IEEE 1547, UL 1741) and their implications for controls development is highly desirable

Power Electronics Engineer, Energy Storage 

You will be an early member of a product design team, responsible for the detailed power electronics design, prototype, and launch into high-volume production of an efficient, cost effective, highly manufacturable, and technologically leading-edge power converter. 

Familiar with high voltage (up to ~1,000 – 2,000VDC and 480VAC) and high power (~10 – 200kW) power converters, you can quantitatively compare and select topologies, control algorithms, semiconductors, and magnetics while respecting engineering constraints (efficiency, cost, reliability, simplicity, etc).  You understand both hard- and soft-switched topologies. 

Responsibilities include:

You can create highly accurate time-domain control and thermal models of your circuits to inform software and mechanical development, and while your core specialty is high-power circuitry design, you have a working understanding of microprocessor selection, electrical insulation, and thermal interface. Knowing how important circuit board layout is in high-power conversion, you’re willing to jump in and do the most critical parts of the powertrain layout yourself. 

The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on technical challenges. You’re a doer, excited about working in a dynamic, fast-paced setting, and want to shape the electrical engineering function within a new department at Redwood. 

If necessary, we will adjust the job level to suit your experience and responsibilities. The qualifications below are just that – desired – if you feel you’re highly qualified for this role but are missing a few of the below line items, we encourage you to apply anyway. 

Desired Qualifications:  

• BS, MS, or PhD in Electrical Engineering, with a focus in power electronics
• 3-5 years of experience in electrical engineering, with a strong focus in power conversion or energy storage products, ideally for mass production
• Experience in high-voltage (up to 2000VDC, and 480VAC) design
• Intimately familiar with techniques for efficiency optimization
• Basic knowledge of control theory and embedded systems
• Strong analytical / problem solving skills
• Experience in rapid iterations on prototypes based on customer, supplier, and co-worker feedback
• Strong understanding of power electronics topologies and fundamentals (AC/DC, DC/DC)
• Experience with semiconductor selections, gate drive, and protection circuit design
• Skilled in mentoring test technicians to design tests, interpret test results, and define part maturity criteria
• Skilled at working with basic EE tools like oscilloscopes, network analyzers, signal Generators, etc  
• Proven track record as a electrical engineer, with hands-on design, prototyping, and launch experience in medium-to-high volume production (10,000 units/yr or higher)
• Able to select circuit components for manufacturability as well as electrical function
• Able to perform detailed schematic capture in Altium or related CAD software
• Able to supervise (and occasionally perform) detailed layout of high-power electronics PCBs in Altium or related CAD software

Manufacturing Test Infrastructure Lead Engineer, Energy Storage

Essential Duties:

As an early member of a new engineering team, you will play a key role in designing testers to support the development of a new product at Redwood Materials. Your responsibilities will span across mechanical, electrical, and software engineering domains to ensure robust product validation. You’ll be involved in the design of testers for implementation in manufacturing as well as field settings to screen our products. This role requires a hands-on, proactive attitude paired with a methodical and analytical approach to problem-solving.

Responsibilities will include: 

• Lead the end-to-end system development of functional and end-of-line testers for electromechanical products
• Manage a small team of engineers across various technical scopes (mechanical, electrical, software)
• Collaborate with firmware and hardware teams to develop test coverage, define metrics, align on hardware and firmware features for manufacturing testing implementation
• Debug and root cause issues found in manufacturing test
• Design and develop manufacturing test hardware that may include functional and system power tests
• Lead tester builds and validation efforts such as GRR and SAT
• Work with firmware & software teams to develop test automation, self-test, and data analysis

 Desired Qualifications: 

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Mechatronics, or a related field
• 7+ years of technical experience in manufacturing test engineering or a related role
• 2+ years of people management experience
• Experience working with high-voltage systems (400–2000VDC and 480-800VAC)
• Deep technical expertise in at least one aspect of test engineering, with comfort working across disciplines (mechanical, electrical, software)
• Experience working in a high volume manufacturing environment
• Direct experience with battery testers or characterization tools
• Experience developing scalable tools, infrastructure, and design practices for test engineering teams
• Excellent communication and interpersonal skills; ability to engage effectively with stakeholders at all organizational levels, including executives
• A get-it-done attitude; no job is too big or too small

Mechanical Engineer, Energy Storage

You will be an early member of a new engineering team, taking a hands-on role in the design, development, and integration of a new high-power electromechanical product line at Redwood. This position starts as a senior individual contributor, where you'll be responsible for designing critical mechanical components and systems related to high power electronics, including thermal management, harnessing, enclosures, structures, and reliability while also collaborating closely with electrical, software, and systems engineering teams. As the product builds momentum, you will be instrumental in building and leading a mechanical engineering team, setting the foundation for scaling our product into high volume manufacturing. 

The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on both technical and leadership challenges. You’re a leader and a doer, excited about working in a dynamic, fast-paced setting, and want to shape the mechanical engineering function within a new department at Redwood. 

If necessary, we will adjust the job level to suit your experience and responsibilities. 

Responsibilities will include:  

• Lead and execute the mechanical design and development of a high-volume, high-power energy conversion product from concept to deployment, including thermal management, authoring requirements, structural design, packaging/integration of power electronics, and integration with grid infrastructure
• Act as the primary mechanical engineering expert, driving innovation and solving technical challenges at a large scale
• Perform mechanical analysis (CFD, FEA, thermal, etc.) to validate designs and ensure performance under real-world conditions
• Collaborate with electrical and systems engineers to ensure seamless integration of mechanical systems into the overall system architecture
• Select materials and components, working closely with suppliers and vendors to ensure cost-effective, high-quality solutions
• Be a hands-on engineering manager, accountable for project goals and timelines
• Take a leadership role in recruiting, mentoring, and managing a high-performance mechanical engineering team
• Contribute to a collaborative, fast-paced startup culture, where every team member plays a crucial role in achieving company milestones

 Desired Qualifications:  

• BS or MS in Mechanical Engineering or a related field
• 7+ years of experience in mechanical engineering, with a strong focus in power conversion or energy storage products, ideally for mass production
• An understanding of the relationship between high voltage electronics and the mechanical systems that support and surround them (e.g. insulation systems and thermal systems) 
• Proven track record as a senior mechanical engineer, with hands-on design, prototyping, and launch experience in medium-to-high volume production (10,000 units/yr or higher)
• Proficiency in CAD (e.g., SolidWorks) and analysis tools (CFD, FEA, etc.)
• Experience developing tools, infrastructure and design practices for a growing team
• Self-motivated, with the ability to manage your work in a startup environment, balancing multiple priorities and deadlines
• Excellent communication and interpersonal skills, capable of building relationships with all levels of the organization and presenting to internal and external executives 
• Passion for sustainability and making the world a better place!
  

Hardware Technical Program Manager, Energy Storage:  

We are seeking a Hardware Technical Program Manager (TPM) to lead the development, testing, and manufacturing of complex, box-level electronics assemblies. You will own program execution from concept through production, coordinating across hardware engineering, validation, supply chain, and operations. This role is about making sure our hardware — from circuit boards and flex assemblies to enclosures, connectors, and integrated box builds — is designed for reliability, tested thoroughly, and built to scale. 

Responsibilities Will Include:

• Drive end-to-end hardware program execution (requirements → design → validation → NPI → ramp) 
• Lead cross-functional teams spanning mechanical, electrical, firmware, industrial design, test, and manufacturing engineering
• Plan and manage prototype and production builds, including materials, logistics, and factory readiness 
• Oversee board and flex releases, system integration, and validation testing (DVT/PVT/MP builds) 
• Partner with suppliers and contract manufacturers to drive DFM/DFT reviews, yield improvement, and issue resolution 
• Maintain clear build plans, risk registers, and program dashboards; proactively manage schedule and resource risks 
• Serve as the primary interface between Redwood engineering teams and external manufacturing partners 
• Provide transparent updates to stakeholders and leadership, highlighting status, risks, and key decisions 

Desired Qualifications: 

• Bachelor’s degree in Electrical, Mechanical, or related Engineering discipline (advanced degree a plus) 
• 5+ years of experience in hardware program management, hardware engineering, or manufacturing operations 
• Proven success driving NPI builds and scaling hardware programs to volume production 
• Strong understanding of box-level assemblies (PCBs, flex circuits, harnessing, enclosures, thermal systems) 
• Exceptional organizational, communication, and leadership skills; proven ability to thrive in high-ambiguity environments 
• Willingness to travel to Redwood’s sites, suppliers, and contract manufacturers as needed 

The position is full-time and located in San Francisco, CA. Compensation will be commensurate with experience.

Reliability Engineer, Energy Storage

As an early member of a new engineering team, you will be responsible for defining system reliability requirements, generating damage models, and characterizing the reliability of our new product. You will work cross-functionally to define requirements, analyze designs, and design tests to meet high reliability standards in real-world conditions, including both electrical and mechanical failure modes. 

You’re a doer, excited about getting your hands dirty and working in a dynamic, fast-paced setting, and want to shape a new department at Redwood.   

Responsibilities will include:

• Define and own the reliability strategy for hardware products with complex printed circuit board assemblies (PCBAs) and electromechanical systems
• Plan and execute reliability tests such as HALT, thermal cycling, vibration, drop, humidity, ingress protection (IP) testing, and power cycling
• Collaborate with cross-functional teams to define design-for-reliability (DfR) requirements and drive root cause analysis for test failures
• Track reliability KPIs and deliver reliability insights to guide design improvements and product decisions
• Develop accelerated life test models and support FMEA and DFMEA processes
• Analyze reliability data using Weibull, log-normal, and other statistical models to predict field performance  
• Work closely with engineering teams to establish reliability gates through program stages (A/B/C/D)
• Support failure analysis (FA) efforts using tools like X-ray, cross-sectioning, and SEM/EDX to identify failure mechanisms in PCBAs
• Contribute to continuous improvement efforts across reliability processes, lab capabilities, and test methodologies
• Author reports / document findings 

Desired Qualifications: 

• Bachelor’s or Master’s degree in Electrical Engineering, Mechanical Engineering, Materials Science, or a related field
• 5 + years of experience in hardware reliability engineering, preferably in industries like energy, EV, consumer electronics, or aerospace 
• Deep knowledge of electronic and mechanical failure mechanisms (e.g., solder fatigue, corrosion, delamination, sealing failures, thermal expansion mismatch, material fatigue, etc.)
• Proficiency in statistical analysis tools (e.g., Minitab, JMP, or Python)
• Experience with reliability lab equipment and test setup design
• Knowledge of reliability warranty analysis and reliability prediction methods
• Working knowledge of failure analysis techniques such as optical microscopy, SEM, CSAM, X-ray, cross-sectioning, and EDX
• A passion for sustainability and making the world a better place!
  

Engineering Test Technician, Energy Storage

As an early member of a new engineering technician team, you will play a key role in building, setting up, and running tests to support the development of a new product at Redwood Materials. You’ll work hands-on across mechanical, electrical, and basic software tools to help validate product performance and reliability. You will support all phases of the hardware development lifecycle from early design validation and long-term reliability testing to final process validation by assembling test setups, operating equipment safely, capturing data, and troubleshooting issues as they arise. This role requires a proactive, can-do attitude with careful attention to detail and a strong safety mindset.

Hours: Full-time, Days

Responsibilities Will Include:

• Build, set up, and execute validation tests for a new electromechanical product
• Partner with cross-functional teams (design, reliability, and abuse engineers) to support FMEAs and test plan execution
• Assemble, install, and maintain test infrastructure such as fixtures, sensors, actuators, chambers, and power supplies
• Operate test equipment, follow procedures, and ensure safe handling of high-voltage systems and lab hardware
• Collect, organize, and document test data, observations, and results clearly and consistently
• Perform basic failure triage and support failure analysis through teardown, inspections, and root-cause investigations
• Troubleshoot test setups and hardware issues; escalate and collaborate to resolve blockers quickly
• Support test automation and data logging tools (e.g., running scripts, validating outputs, contributing small updates as needed)
• Support New Product Introduction (NPI) line operations by assisting with product assembly, build readiness, and day-to-day troubleshooting. Create, update, and maintain build documentation, including work instructions, assembly procedures, and change logs to ensure accurate and repeatable processes
• Support with the management of lab inventory, organization, and power infrastructure. Assembly and validation of high-voltage harnesses and electrical sub-systems, including wiring, terminations, and integration while ensuring full compliance with electrical safety requirements and site policies

Desired Qualifications:

• Associate degree, technical certification, or equivalent hands-on experience in mechanical, electrical, mechatronics, or related fields
• 3+ years of experience in a lab, manufacturing, or test environment (technician, engineering tech, or similar role)
• Experience working with or around high-voltage systems (400–2000VDC and 480–800VAC) and strong safety discipline (LOTO, PPE, safe work practices)
• Strong hands-on skills with mechanical assembly, wiring, sensors, instrumentation, and lab equipment
• Comfortable following test procedures, maintaining detailed documentation, and producing clear test summaries
• Familiarity with basic scripting or automation tools (Python a plus) and the ability to learn new tools quickly
• Strong communication and teamwork skills; able to work effectively with engineers and stakeholders across levels
• A get-it-done attitude—willing to jump in, own tasks end-to-end, and do what’s needed to support the team

Physical Requirements:  

• Ability to perform essential physical tasks such as standing, walking, bending, stooping, climbing, lifting (up to 25 lbs), typing, and performing repetitive motions
• Manual dexterity to work with small components under a microscope for extended periods, including precision soldering and handling heavy copper assemblies

Working Conditions:  

• Ability to work in working conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE, for extended periods of time
• Occasional travel required and flexibility to work weekends, nights, or on call as needed