At ON.energy, we are proud to be an equal opportunity employer, offering a wide range of career opportunities for individuals passionate about driving the energy transition forward. Our culture is dynamic, innovative, and far from the traditional corporate mold. We are built on a foundation of customer satisfaction, teamwork, trust, and an unwavering commitment to excellence.
Joining ON.energy means advancing your career in the energy sector with exciting opportunities across many departments and skill-sets. We embrace diverse perspectives and are dedicated to equipping our team with the tools, resources, and support they need to thrive.
Be a part of a company that values your ideas, fuels your growth, and empowers you to make a meaningful impact in shaping the future of energy.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Qualifications
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
ON.energy is looking for a skilled Supplier Quality Engineer to support the supplier quality activities related to battery energy storage systems (BESS) across the full equipment lifecycle—from procurement and factory testing to site delivery and installation. In this role, you will work closely with engineering, supply chain, and construction teams in the processes of selecting, auditing and evaluating suppliers, reviewing vendor’s Inspection and Test Plans, coordinating and witnessing Factory Acceptance Testing (FAT), and provide field support during installation and commissioning for key components including batteries, inverters, transformers, switchgear and ATS, and auxiliary systems. This role focuses on preventing quality issues at the source – ensuring suppliers maintain robust manufacturing and test processes – and tracking non-conformances through resolution prior to shipment.
This role is best suited for engineers with hands-on experience working with manufacturing suppliers of electrical or industrial equipment. The role focuses on suppliers manufacturing critical electrical equipment used in utility-scale energy storage systems.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We are seeking a AWS Cloud / DevOps / Platform Engineer who can operate with a high degree of ownership and independence while contributing to the design, build, and operation of scalable AWS environments.
This role is suited for early-career engineers who already have hands-on AWS experience and are ready to take on more responsibility in managing cloud infrastructure end-to-end. You will partner with DevOps, Security, and Application teams, while also being trusted to drive tasks independently—from implementation through troubleshooting and optimization.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
OVERVIEW OF THE POSITION
The Director of Logistics provides strategic leadership for the end-to-end logistics function across all ON projects. Reporting to the VP of Supply Chain, this role owns the logistics operating model — from freight strategy and carrier relationships to customs compliance, cost performance, and team development. The Director translates project delivery requirements into scalable logistics capabilities and partners directly with executive leadership on risk, capital spend, and organizational growth.
The ideal candidate brings deep domain expertise in heavy industrial or engineered-to-order energy equipment logistics, combined with the leadership maturity to build and lead a high-performing function.
KEY RESPONSIBILITIES
Logistics Strategy & Operating Model
Team Leadership & Development
Compliance, Risk & Documentation
REQUIRED EXPERIENCE
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Payroll Project Manager & Administrator (Contract)
We are seeking an experienced Payroll Project Manager & Administrator on a contract basis to oversee and execute payroll-related projects while managing day-to-day payroll administration. This role combines strategic project leadership with hands-on payroll processing to ensure accurate, compliant, and timely payroll delivery.
Key Responsibilities
Lead payroll system implementations, migrations, or upgrades from planning through go-live, managing timelines, budgets, and stakeholder communication. Oversee end-to-end payroll processing, including calculating wages, deductions, bonuses, and tax withholdings. Develop and document payroll processes, controls, and standard operating procedures. Identify and resolve payroll discrepancies, conducting root cause analysis to prevent recurrence. Manage relationships with external payroll vendors and benefits providers. Prepare payroll reports, reconciliations, and audit documentation as needed.
Qualifications
Minimum 5 years of experience in payroll administration, with at least 2 years managing payroll projects. Proficiency with major payroll platform; ideally Paychex & ADP. Proven ability to manage multiple workstreams, meet deadlines, and communicate effectively across all levels of an organization. CPP (Certified Payroll Professional) or PMP certification is a plus.
Contract Details
This is a contract engagement with a defined scope and timeline, to be discussed during the hiring process. Remote or hybrid arrangements may be available depending on project requirements.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We’re looking for a Senior Controls Engineer with project-based engineering experience to lead network-and-controls-related hardware product design, documentation, project-specific technical compliance and support the development activities related to these products. This is a product focused role—we need someone who can speak fluently about both network architecture and industrial control systems, ideally have experience in mission critical applications, and interface with IT, software, project, commissioning and O&M engineering teams.
Key Responsibilities:
Required Experience
Preferred Experience
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We’re looking for a Senior Compliance Engineer with deep expertise in regulatory requirements, codes, and certification processes applicable to BESS, power electronics, and electrical distribution systems e.g. panelboards, switchboards, etc.. This is a product-focused and cross-functional role responsible for ensuring that our systems meet all applicable North American and international standards, as well as ISO/RTO interconnection and market requirements. You will serve as the internal authority on compliance, working closely with product, R&D, and project engineering teams to ensure designs are certifiable, deployable, and aligned with evolving regulatory frameworks.
Key Responsibilities:
Required Skills & Experience:
Preferred Experience:
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Sales Engineer will lead the technical-commercial strategy connecting ON.energy’s business development, engineering, and customer teams. This role oversees the delivery of advanced Battery Energy Storage System (BESS) and power infrastructure solutions for hyperscale data centers, industrial operations, and utility-scale clients. The ideal candidate combines deep expertise in energy systems and data center electrical infrastructure with leadership experience in consultative sales, solution design, and project development—driving both customer success and business growth.
As a Sales Engineer at ON.energy, you will:
Technical Pre-Sales
Commercial and Client Interfacing
Internal Collaboration
Requirements
Preferred
Competencies
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Location: Amarillo, TX (Project-Based, On-Site)
About On Energy Storage
On Energy Storage designs, deploys, and operates advanced Battery Energy Storage Systems (BESS) supporting commercial, industrial, and utility customers across the Americas. Our engineering team drives high-quality, technically rigorous project execution across interconnection, site design, and protection & control systems. We prioritize speed, accuracy, and operational reliability in every project.
Position Summary
On Energy Storage is seeking an experienced Field Engineer to support the construction and commissioning of a utility-scale BESS project in Amarillo, TX. This is a full-time, on-site role embedded within the project team. The Field Engineer will serve as the primary technical resource for the EPC contractor and commissioning teams, providing real-time electrical and mechanical guidance, resolving field issues, and ensuring that installation activities align with On Energy Storage's engineering standards, design documents, and applicable codes. The ideal candidate brings a strong electrical engineering background with hands-on experience supporting field construction and commissioning activities on power systems or energy storage projects.
Key Responsibilities
- Serve as the on-site technical point of contact for the EPC contractor.
- Interpret engineering drawings and support field installation teams.
- Review and resolve RFIs with the engineering team.
- Monitor installation for compliance with design and codes.
- Identify and resolve field discrepancies.
- Document and share lessons learned on equipment being installed.
- Support FAT and SAT activities.
- Maintain field reports and documentation.
- Coordinate with engineering and EPC teams.
- Participate in meetings and safety reviews.
- Verify equipment installation compliance.
- Support punch list and project closeout.
Qualifications
- Bachelor's degree in Electrical Engineering or related field.
- 3-5 years of relevant experience.
- Strong understanding of electrical systems.
- Ability to read electrical drawings.
- Knowledge of NEC, IEEE, NFPA.
- Troubleshooting and communication skills.
- Proficiency in Microsoft Office and Procore.
- Ability to work on-site in Amarillo, TX.
Preferred Qualifications
- Experience with BESS systems.
- EPC or infrastructure project experience.
- Commissioning and QA/QC familiarity.
- Bluebeam experience.
- SCADA/EMS exposure.
- EIT or PE certification preferred.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We are looking for a Senior Cybersecurity Engineer to architect and implement technical security controls for our grid-connected energy portfolio. As we scale our operations, we need a hands-on engineer to secure the entire data lifecycle - from the industrial control systems (OT) at the edge, through the cloud telemetry pipeline, to the corporate dashboards.
This is a builder role. You will be responsible for deploying and managing our core security infrastructure - specifically Wazuh and Authentik - to secure our AWS environments and operational field assets. You will work directly with control systems engineers and DevOps teams to build security into our backbone.
Responsibilities will include:
Cloud & Infrastructure Security
Identity & Access Management (IAM)
Operational Technology (OT) Security
Requirements:
Technical stack proficiency:
Preferred experience:
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Location: Houston (hybrid) OR Atlanta (remote) with up to 40% travel to project sites as needed.
Role Overview
The EMS Deployment Engineer is responsible for deploying, configuring, and supporting Ignition-based Energy Management Systems (EMS) for utility-scale Battery Energy Storage System (BESS) projects. This role plays a critical part in commissioning, ensuring reliable system visibility, control, data flow, and integration between EMS, PLCs, PCS, BMS, and site networks.
Key Responsibilities
Required Qualifications
Preferred Experience
What Success Looks Like (First 6–12 Months)
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We are seeking a Senior Mechanical Engineering Manager with strong experience in structural analysis and mechanical systems validation to lead the mechanical design activities for the products deployed for our energy infrastructure and mission-critical projects. This is a product focused role—we need someone who can speak fluently about ensuring the structural integrity, mechanical reliability, safety and validate the thermal performance of equipment and supporting structures under static and dynamic operating conditions, ideally have experience with mission critical applications, and interface with project, commissioning and O&M engineering teams.
Key Responsibilities:
Required Skills & Experience
Preferred Experience:
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Supply Chain Sourcing Manager – Transformers is responsible for planning, sourcing, purchasing, logistics, and supplier management across transformer and substation equipment. This role focuses on power transformers, distribution transformers, auxiliary transformers, and associated balance-of-system components to ensure on-time, cost-effective, and high-quality delivery of materials and services.
The role partners closely with Engineering, Operations, Finance, and Quality to align supply chain strategy with business objectives and support safe, reliable, and scalable energy infrastructure deployments.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Requirements
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We are seeking a Senior AWS Cloud / DevOps / Platform Engineer who operates with a high level of autonomy and technical leadership to design, build, and operate scalable, secure AWS environments.
This role is ideal for experienced engineers who not only have deep hands-on AWS expertise, but can also independently drive architecture decisions, lead implementations end-to-end, and proactively identify improvements across cloud infrastructure, networking, and automation.
You will partner with DevOps, Security, and Application teams while serving as a key technical owner for cloud platform reliability, scalability, and performance.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We are looking for a hands-on Senior Data Engineer to join a small team (2 Data Engineers + 1 Data Analyst). You will help scale our AWS-based data infrastructure, working primarily with industrial data sources and high-volume time-series data.
Requirements:
Preferred Experience:
Soft Skills:
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We’re looking for a Senior BESS Engineer with project-based engineering experience to lead the BESS and DC Cabinet product design, documentation, project-specific technical compliance and support the development activities related to these products. This is a product focused role—we need someone who can speak fluently about both BESS systems and DC cabinets, ideally have experience with mission critical applications, and interface with project, commissioning and O&M engineering teams.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Role Description
The Senior Buyer is responsible for end-to-end procurement execution for BESS projects. This role is execution-focused, emphasizing disciplined delivery against project schedules and specifications. Category strategy and long-term supplier positioning are led by Sourcing / Category Managers.
Key Responsibilities
Key Skills & Competencies:
Preferred Qualifications:
Why Join ON.energy
• Be part of a company driving the global energy transition.
• Work hands-on with cutting-edge BESS technology.
• High-visibility role with direct impact on project success.
• Entrepreneurial environment with opportunities for growth and ownership.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Associate Asset Manager supports the operational, technical, and compliance oversight of grid-tied energy storage assets. This role focuses on ensuring assets operate safely, efficiently, and in full compliance with contractual, regulatory, and financial obligations. The Associate Asset Manager works cross-functionally with O&M providers, OEMs, consultants, market operators, and internal stakeholders to protect asset value and optimize long-term performance.
Key Responsibilities:
Qualifications:
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Site Project Manager, Energy Storage
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Commercial Project Controller plays a critical role in supporting the sales process by ensuring that new project opportunities are financially sound, commercially viable, and aligned with the company’s risk appetite. This role partners closely with cross-functional teams to evaluate deal structures, translate contractual terms into financial outcomes, and support informed decision-making throughout the sales cycle. By strengthening deal quality and improving financial visibility, the Commercial Project Controller helps optimize margins, reduce risk, and enable successful project execution.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Location: Site based (Northwest Texas initially), 80% plus travel
Compensation: Hourly with overtime eligibility and per diem
We're looking for highly skilled and motivated Commissioning Technician II to join our best in class team and play a critical role in bringing complex projects to life. In this position, you'll be responsible for managing project technician during all stages of construction and installation, ensuring that all systems and equipment are installed, tested, and operate according to specifications and client requirements.
As a Commissioning Technician II at ON.energy, you will:
Requirements
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Location: Atlanta area is preferred. Role will require travel to projects sites.
Role Summary
The Controls Engineer is responsible for deploying, configuring, and supporting control systems for utility-scale Battery Energy Storage System (BESS) projects. This role is central to commissioning success, ensuring reliable operation and integration of Siemens PLC-based control systems with EMS, PCS, BMS, protection systems, and site networks.
Key Responsibilities
Deploy, configure, and support Siemens PLC-based control systems for BESS projects
Support commissioning activities including system bring-up, integration testing, and site acceptance testing (SAT)
Troubleshoot PLC logic, communications, and I/O issues during commissioning and early operations
Integrate PLCs with EMS, PCS, BMS, protection relays, meters, and SCADA systems
Support communication protocols such as Modbus TCP/RTU, IEC 61850 (as applicable), and other OT interfaces
Collaborate closely with Network Engineers, Deployment Engineers, EMS teams, and Field Commissioning teams
Support factory acceptance testing (FAT) and field commissioning activities
Assist with developing standardized PLC configurations, templates, and commissioning procedures
Review and validate control system documentation, drawings, and as-built configurations
Travel to project sites during deployment and commissioning phases as required
Required Experience & Skills
Hands-on experience with Siemens PLC platforms (TIA Portal, S7-1500 / S7-1200 or similar)
Experience commissioning or supporting industrial control systems in the field
Strong understanding of PLC-based control architectures and OT systems
Experience integrating PLCs with external systems (EMS, SCADA, PCS, BMS, protection)
Ability to troubleshoot across controls, networking, and software boundaries
Comfortable working in fast-paced commissioning environments with time pressure
Willingness to travel to project sites during deployment and commissioning
Preferred Experience
Experience with utility-scale BESS, power generation, renewables, or substation environments
Familiarity with EMS platforms and grid-interactive systems
Experience supporting commissioning teams on live sites
Understanding of cybersecurity considerations in OT environments
Background working alongside EPCs, vendors, and OEMs
What Success Looks Like (6–12 Months)
Siemens PLC-based control systems are deployed reliably across new BESS projects
Commissioning timelines are supported through rapid issue resolution and system readiness
Control system integration issues are identified and resolved efficiently
Documentation quality and repeatability improve across deployments
Field and commissioning teams trust this role as a key technical partner
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
We’re looking for a Controls Engineer with project-based engineering experience to support network-and-controls-related hardware product design, documentation, project-specific technical compliance and support the development activities related to these products. This is a product focused role—we need someone who can speak fluently about both network architecture and industrial control systems, ideally have experience in mission critical applications, and interface with IT, software, project, commissioning and O&M engineering teams.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Location: Alpharetta area, Hybrid on-site 3-4 days per week.
Role Overview
The Deployment Engineer is responsible for preparing, configuring, and validating BESS control, network, and EMS systems prior to shipment to project sites. This role ensures systems arrive site-ready, reducing commissioning risk, minimizing field rework, and accelerating site bring-up.
This position is factory-focused and hands-on, working closely with engineering, controls, EMS, and commissioning teams to deliver fully validated systems before field deployment.
Key Responsibilities
Required Qualifications
Preferred Experience
What Success Looks Like (First 6–12 Months)
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Opportunity
As Director of Policy, you will define and execute ON.energy’s grid and regulatory strategy at a time when large load growth, interconnection reform, and reliability standards are being rewritten in real time.
This role sits at the intersection of policy strategy, regulatory process and power engineering. At its core, it is an education/advocacy role. You will interact with ISOs, RTOs, utilities, regulators, and policymakers to enable them to understand how On.energy's technology uniquely supports grid reliability and power quality, and how large, flexible loads can be integrated responsibly.
You will partner with the ON.energy COO, CTO, Sales, and CEO to define our market and policy strategy and own execution across ISO territories. Your mandate is to proactively educate and advocate for the wholesale electric market policies, shape technical narratives, and ensure ON.energy is correctly understood in the rooms where energy polict is set.
What You’ll Do
Educate the Grid
Shape the Technical Narrative
Strategy & Execution
Industry Leadership
What We’re Looking For
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Project Controller is responsible for overseeing all financial aspects of service project execution, including preventative and reactive maintenance, performance monitoring, and warranty activities. This role manages budgeting, forecasting, cost control, revenue recognition, cash collection, risk management, and compliance across ongoing service agreements. As a key liaison between Project Management, Finance, and other departments, the Project Controller ensures accurate financial tracking, reporting, and governance throughout the full-service lifecycle, including contract execution, warranty periods, and continuous service delivery.
Key Responsibilities
Qualifications
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
On.Energy is a fast-growing, end-to-end clean energy solution provider that develops, engineers, supplies, constructs, commissions, and operates hybrid and standalone energy storage solutions. We specialize in both front-of-the-meter and behind-the-meter applications for utility and commercial/industrial clients across North and Latin America. With proprietary technology like our On.Command Energy Management System and a presence in the U.S., Mexico, Peru, and Chile, we are rapidly expanding our footprint in the Data Center infrastructure market.
The Project Executive – Data Center Projects is responsible for the full lifecycle execution of battery energy storage system (BESS) and hybrid energy projects for data centers. This role oversees all phases of planning and execution, ensuring projects are delivered safely, on time, within budget, and in compliance with quality and contractual obligations.
You’ll be part of a mission-driven team building the clean energy infrastructure of the future. We offer competitive compensation, growth opportunities, and a dynamic international environment where innovation is valued and impact is real.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Requirements
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Project Safety Manager
Location: United States, project based on site. Current sites in Texas. Travel rotation is 4 weeks on site, 1 week off.
Compensation: Salary with per diem or expense model
Job Description:
This position applies developed subject matter expertise to solve unique and moderately complex health and safety, and environmental implementation issues within established site-specific Health and Safety, and Environmental (HSE) Plans and recommends appropriate solutions or alternative methods ensuring compliance. Acts as a Project Management Team member, providing HSE oversight on all delivery activities, along with facilitating team HSE decision making. Does not require day-to-day supervision and has the ability to resolve most issues but may seek advice in order to make more complex decisions. Must be able to travel and work remotely as required for project support. The Project Safety Manager will Support IPP and Data Center project delivery teams and report to the Director of Global Safety.
Responsibilities:
· Acts as a technical advisor to project team and contractors.
· Independently determines approaches and develops solutions to resolve HSE issues.
· Performs continual monitoring of equipment, structures, and work in progress to ensure required health and safety, and environmental plans for the project and all applicable regulations, codes and standards are followed.
· Stops work when unsafe and determines appropriate corrective and preventative action to be taken and completed prior to restarting.
· Performs weekly safety inspections of the ongoing project work and provides direct feedback to the working group.
· Established a weekly safety inspection/assessment schedule with each contractor/vendor working at site and ensure corrective and preventative actions are implemented.
· Develops and conducts project H&S and environmental orientation sessions for all persons working or entering the project site and maintains training records.
· Plans, conducts, or coordinates necessary training programs to promote knowledge of and conformity with health and safety, and environmental issues per phase of project.
· Ensures industrial hygiene and environmental monitoring is performed as necessary and instrumentation equipment is maintained.
· Leads, coordinates, and participates in simple and complex investigations of near misses, injuries, unsafe conditions, and incidents that do or could involve actual or potential liability; maintain records of pertinent data and compile required analysis reports on such investigations.
· Attends tailboard meetings, pre job briefings and JSA review meetings.
· Leads and develops content for project weekly safety meeting with project management team and contractor/vendor management participation.
· Assists and/or maintains the On Energy online project HSE data base: (safety observations, incident reporting, training, etc.).
· Assist and/or develop project related H&S and environmental programs as may be required for project compliance with local, state, or federal regulations.
· Assist and/or develop training curriculum and conduct required training sessions to educate employees on the safe and compliant work practices associated with project activities.
Administration and Communications Requirements:
· Plans and manages work activities for themselves to accomplish project goals and objectives.
· Ensures H&S and environmental plans are comprehensive and effective in meeting established goals and objectives.
· Handles multiple priorities requiring frequent interpretation of programs and procedures.
· Interprets, explains, advises, and makes recommendations on moderately complex issues to project management team.
· Strong team and leadership skills, with the ability to mentor, coach, and guide others.
· Strong verbal and written communication skills for effectively communicating with internal and external customers.
· Ability to build strong relationships both internally and externally is a key priority.
· Must be proficient in Microsoft word, excel and power point programs.
Analytical and Technical Requirements:
· Requires original and innovative thinking in developing results or recommending process improvement.
· Ability to analyze technical and regulatory information, make sound judgments, and provide prudent recommendations.
· Regularly make decisions that are covered by general methods and procedures requiring frequent interpretations of programs and processes.
· Conducts predictive trend analysis to determine corrective and preventative actions on negative indicators.
· Thorough knowledge in the field of health and safety, as well as general environmental regulations for the construction/renewables industry.
· Develop, implement, and evaluate programs and procedures in areas i.e. high-risk activities: working at height, lifting & rigging, electrical safety, lockout/tagout, fire, deep excavation, confined space and hazardous materials, and other areas i.e. ergonomics, emergency preparedness, industrial hygiene and general safe work practices.
Qualifications:
· Ten plus years work experience in EPC projects and/or heavy construction industry, with safety related certification, e.g., Construction Health and Safety Technician (CHST) or equivalent.
· Low voltage/medium voltage electrical safety experience.
· Track record of sustained implementation and overall management of construction safety programs, that achieved a demonstrated record of performance achievement in past positions.
· Strong leadership skills
Required travel: this is a project-based position.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Travel Requirement: >80%
Position Type: Full-Time, Field-Based (TX and other states)
Overview
The Site ReadinessTechnician plays a critical role in ensuring all delivered and installed equipment meets the project Quality Plan, industry standards, and manufacturer specifications. This role performs detailed receiving inspections, validates construction quality after mechanical completion, and ensures Battery Energy Storage System (BESS) equipment is ready for commissioning and energization.
The ideal candidate has strong experience in utility-scale power systems—such as BESS, solar, thermal/gas turbine, or other power plant environments—and thrives in a fast-paced, travel-heavy field role.
Key Responsibilities
Equipment Receiving & Quality Inspections
Mechanical Completion Verification
Documentation & Reporting
Cross-Functional Collaboration
Required Qualifications
Preferred Qualifications
Soft Skills
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Safety Coordinator position will use their knowledge, experience, and expertise to proactively identify potential hazards and implement preventive measures to protect employees and property. The Safety Coordinator will work closely with the on-site project team and assist in all items/activities related to safety, health, and environmental. The Safety Coordinator requires minimal day-to-day supervision and is able resolve simple issues but is expected to seek advice/direction from the Project Safety Manager in order to make more complex decisions. Must be able to travel and work remotely as required for full-time on-site project support. The Safety Coordinator will support field operations and will be used between project deployments to assist in corporate safety tasks such as procedure development, audit support, and training development. The Safety Coordinator will report to Director of Global Safety.
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Sourcing Analyst is responsible for executing sourcing activities for critical direct material categories, including transformers and power distribution equipment, and supporting targeted sourcing efforts across indirect materials and services. The role focuses on RFQ execution, supplier coordination, and contract support prior to purchase order placement.
This role works closely with Engineering, Operations, and Finance, and interfaces directly with suppliers to manage commercial and sourcing workflows.
Sourcing
Supplier Management & Performance
Planning & Supplier Coordination
Operations & Process Development
Qualifications
Preferred Qualifications
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Supply Chain Manager – Batteries
The Supply Chain Sourcing Manager – Batteries is responsible for planning, sourcing, purchasing, logistics, and supplier management across battery energy storage system (BESS) components. This role focuses on battery cells, modules, racks, battery management systems (BMS), and associated balance-of-system hardware to ensure on-time, cost-effective, and high-quality delivery of materials and services.
The role partners closely with Engineering, Operations, Finance, and Quality to align supply chain strategy with business objectives and support safe, reliable, and scalable energy storage deployments.
Category-Specific Responsibilities – Batteries
Partner with Engineering on:
Strategic Sourcing & Procurement
Supplier Relationship Management
Cross-Functional Collaboration
Continuous Improvement & Risk Management
Qualifications
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
ON.energy is seeking a Technical Accountant to support complex accounting matters related to renewable energy projects, energy storage assets, project financing structures, and corporate transactions. This role will work closely with finance, development, legal, and operations teams across the organization and will support accounting and financial reporting under U.S. GAAP.
The ideal candidate has strong technical accounting knowledge, experience working with U.S.-based companies or multinational organizations, and excellent analytical and documentation skills.
Key Responsibilities
Qualifications
Preferred Qualifications
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Technical Sales Coordinator supports the commercial team by combining sales operations expertise with a solid technical foundation in energy systems. This role is responsible for sales forecasting, reporting, and managing sales data, while also contributing to technically complex proposals and ensuring alignment between commercial and engineering teams.
Key Responsibilities
Qualifications
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The UX/UI Designer is responsible for the design, prototyping, and front-end development of SCADA products and automation interfaces that ensure a seamless and intuitive experience for operators and engineers managing energy storage systems. This role bridges aesthetic design, user research, and technical front-end implementation, working to transform complex system data and stakeholder feedback into high-performance, responsive, and scalable visual solutions.
In US: Hybrid 3 days in office (Houston, TX)
In Mexico: Remote
Key Responsibilities
- Design and maintain SCADA product interfaces and new features based on evolving user needs and technical feedback. Develop static front-end components using specialized industrial software, requiring strong proficiency in HTML, CSS, and modern layout techniques like Flexbox and Grid.
- Create, manage, and optimize vector graphics and SVGs for high-performance use within the SCADA environment.
- Utilize Adobe Illustrator and Figma to maintain and expand a comprehensive internal Design System, including styles, iconography, typography, and color palettes.
- Collaborate with the engineering team to solve logic problems and technical challenges when making product interfaces dynamic and data-driven.
- Design for a diverse range of environments, ensuring products are fully responsive and optimized for both Light and Dark modes.
- Optimize interfaces for touch-screen HMI devices, ensuring industrial-grade usability and ergonomics in the field. Maintain consistency and an excellent eye for detail across all screens and product modules to ensure a unified user experience.
- Design and implement intuitive workflows for complex tasks, such as device settings editing and system configuration.
- Facilitate regular feedback sessions with both English and Spanish-speaking users to gather qualitative insights and validate design directions.
- Refactor and optimize front-end code to improve system performance, maintainability, and long-term scalability.
- Proactively identify future design trends and technical improvements to ensure the product remains at the forefront of the energy storage market.
Requirements
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Qualifications
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
What will you do?
What are they looking for?
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Lead Test Engineer will serve as a leader and facilitator of product development, validation, and de-risking activities. They will be responsible for the end-to-end planning and execution of advanced validation cycles within On’s own and partner facilities. The primary goals are to de-risk On Energy’s current and future product line system architecture through rigorous lab-based stress testing and to bridge the gap between lab results and reality by maintaining and operating lab capabilities to support training, troubleshooting, and customer engagement.
Key Responsibilities
Test Orchestration and Planning
De-risking & Technical Validation
On Energy Commissioning and Training Coordination
Experience & Requirements
Work Environment
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
Role Summary
The OT Systems Engineer is responsible for deploying, configuring, and supporting operational technology (OT) networks for utility-scale Battery Energy Storage System (BESS) projects. This role is critical to successful commissioning and system handover, ensuring reliable communications between control systems, EMS, PCS, BMS, SCADA, and remote monitoring platforms.
This is a field-facing, deployment-oriented role focused on bringing new projects online.
Key Responsibilities
Required Experience & Skills
Preferred Experience
What Success Looks Like (6–12 Months)
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Apply to ON.energy
ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.
The Project Controller is responsible for overseeing all financial aspects of project execution, from budgeting to forecasting, cost control, revenue recognition, risk management and compliance. This role is a key liaison between Project Management, Finance and other departments to ensure accurate financial tracking, reporting and governance across the project lifecycle.
Key Responsibilities
Qualifications
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