What You’ll Do 

1. Contribute to the design, iteration, and qualification ofKatalyst’s spacecraft Electrical Power System (EPS), including power conversion, power distribution, battery interface electronics, solar array interfaces, protection circuitry, and subsystem power interfaces. 
2. Design,modify, and review schematics, PCB layouts, interface definitions, and analysis packages for spacecraft power electronics, with emphasis on switch-mode power supplies, DC/DC converters, load switching, current sensing, fault protection, and EMI-aware layout practices. 
3. Support integrated operation of EPS hardware during functional, performance, and qualification testing, working directly with test engineers to execute bench, thermal vacuum, vibration, and other qualification test campaigns.
4. Help own integrated functional testing of EPS hardware with avionics, flight software, mechanisms, payloads, and other spacecraft subsystems, ensuring power interfaces behave correctly across nominal, off-nominal, and fault cases.
5. Plan and execute targeted stress, margin, and performance testing, exercising hardware across design extremes such as input voltage range, load transients, thermal limits, startup sequencing, fault response, and converter stability.
6. Help define design changes and architecture improvements for future spacecraft power systems, including EPS feature upgrades, power budget impacts, redundancy considerations, telemetry needs, and mission-specific power requirements.

Your Ideal Background

1. Bachelor’s degree in electrical engineering or equivalent field.
2. 3+ years of experience designing, testing, or integrating power electronics, spacecraft EPS hardware, battery/solar power interfaces, or closely related high-reliability power systems.
3. Strong understanding of switch-mode power supply design, DC/DC converter architectures, compensation/stability, magneticsselection, protection circuitry, and practical power electronics debugging. 
4. Experience designing ormodifying schematics and PCB layouts for power electronics, including high-current routing, grounding, thermal considerations, creepage/clearance, current sensing, and EMI/EMC-aware layout practices. 
5. Proficiency in Altium or a similar ECAD tool for schematic capture, PCB layout review, design release, and documentation.
6. Exposure to spacecraft or embedded-system power architectures, including power distribution, load switching, battery management interfaces, solar array regulation, or power telemetry.
7. Exposure to common digital communication standards (SPI, I2C, UART, CAN, Ethernet) and mixed-signal design best practices for telemetry, control, and power-system interfaces.
8. Hands-on experience with hardware bring-up, bench testing, and debugging using oscilloscopes, electronic loads, power supplies, DMMs, logic analyzers, and related lab equipment.
9. Experience writing or executing test procedures, documenting results, and driving board- or component-level troubleshooting through root cause and corrective action.
10. Experience integrating power electronics with other spacecraft or embedded subsystems; exposure to environmental testing such as thermal vacuum or vibration is a plus but not required. 

Additional Requirements: Must be willing to work extended hours and weekends as needed.

Compensation and Benefits: Your base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. The anticipated salary range for this role is $105,000 - $145,000 annually.

Base salary is just one part of your total rewards package at Katalyst. You will also be eligible for long-term incentives, in the form of the Employee Stock Option and Equity Plan, as well as a relocation bonus and other discretionary bonuses. You will also receive access to comprehensive medical, vision, and dental coverage, and unlimited Paid Time Off.

At Katalyst our work on projects involving the U.S. Department of Defense requires adherence to International Traffic in Arms Regulations (ITAR), 22 C.F.R. Parts 120-130, which requires compliance with U.S. export laws before allowing employees to perform certain positions. Currently, our available roles necessitate access to ITAR-controlled information, and as a result, Katalyst would have to ensure any non-US person is authorized access to ITAR information before the commencement of employment. We are committed to equal employment opportunities and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

YOUR MISSION

True Anomaly is seeking a talented and driven Electrical Engineer II to support the rapid design, development, and testing of high-reliability electrical systems for our spacecraft programs. In this role, you will execute across the full hardware development lifecycle — from requirements capture and schematic design through bring-up, integration, and production — while collaborating closely with cross-functional engineering teams. You will bring hands-on technical depth, a strong sense of ownership, and the initiative to contribute meaningfully from day one. 

RESPONSIBILITIES

• Execute requirements capture, component selection, analysis, schematic capture, prototyping, bring-up, debugging, documentation, manufacturing, and test for electrical designs 
• Support the rapid design, development, and testing of high-reliability electrical systems for spacecraft engineering and development efforts 
• Collaborate with system architecture development across cross-functional teams 
• Participate in preliminary and critical design reviews to support program requirements 
• Conduct derating analysis and worst-case circuit analysis 
• Support system-level integration of electrical subsystems, including hardware and software interfaces 
• Perform first article testing, unit-level testing, and production testing 
• Contribute to the development and execution of validation and qualification testing campaigns to ensure reliable hardware 
• Develop and maintain documentation for electrical systems and components, including design specifications, test plans, and operating procedures 
• Support hardware through production, integration, and launch 
• Collaborate with experts from other teams and departments to improve system efficiency, manufacturability, and reliability, and to ensure compliance with relevant industry standards and quality assurance processes 
• Contribute to continuous improvement of electrical engineering processes and practices 

QUALIFICATIONS

• Bachelor's degree in Electrical Engineering or related field 
• 2-4 years of professional experience in electrical engineering 
• Proficiency with PCB design in Altium Designer or equivalent 
• Solid understanding of applicable codes and standards including PCB and PCBA design 
• Strong written and verbal communication skills 

PREFERRED SKILLS AND EXPERIENCE

• Master's degree in Electrical Engineering or related field 
• Experience with spacecraft electrical system design and testing 
• Familiarity with spacecraft power systems, avionics, and communication subsystems 
• Knowledge of industry standards and regulations related to spacecraft electrical systems 
• Embedded firmware development experience 
• Experience with simulation tools such as SPICE, MATLAB, and Simulink 
• Knowledge of IPC standards and specifications including IPC-610, IPC J-STD-001, and other relevant PCB design and assembly standards 
• Experience working in a fast-paced, startup environment or a similarly dynamic setting 

COMPENSATION

• Base Salary: $90,000-$135,000
• Equity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave 

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, location, and experience. 

ADDITIONAL REQUIREMENTS

• Ability to maintain or obtain TS//SCI clearance 
• Work Location—this role will be onsite at either our Centennial, CO or Long Beach, CA locations, with travel to other sites as needed.
• Work environment—the work environment; temperature, noise level, inside or outside, or other factors that will affect the person's working conditions while performing the job.
• Physical demands—the physical demands of the job, including bending, sitting, lifting and driving.

This position will be open until it is successfully filled. To submit your application, please follow the directions below. #LI-Onsite

YOUR MISSION

As a Staff Electrical Engineer, you will be a senior technical leader responsible for driving avionics architecture decisions and owning the design, development, and delivery of flight-critical electronic assemblies for True Anomaly's spacecraft. You will shape how our avionics systems are defined, integrated, and proven — bridging board-level design with system-level thinking to deliver hardware that meets the demands of space. 

RESPONSIBILITIES

• Lead avionics architecture definition and trade studies, driving decisions on processing, data transport, power distribution, and redundancy that shape the spacecraft electrical system 
• Own the end-to-end design of complex electronic assemblies — from requirements capture, schematic design, and component selection through prototyping, bring-up, debugging, and release to production 
• Collaborate with system architecture development across cross-functional teams including software, GNC, propulsion, and systems engineering 
• Lead preliminary and critical design reviews for avionics subsystems, ensuring designs meet program requirements and spacecraft-level performance goals 
• Conduct and review derating analysis and worst-case circuit analysis for flight hardware 
• Define and drive interface control between avionics boards and other spacecraft subsystems, including power, RF, payloads, and harness 
• Perform system-level integration of avionics hardware and software, including embedded firmware interfaces and communication buses 
• Perform first article testing, unit-level testing, and production testing of avionics assemblies 
• Support hardware through production, integration, launch, and on-orbit commissioning 
• Define validation approaches and create development and qualification testing campaigns to exercise designs to their limits and ensure reliable hardware 
• Drive compliance with relevant industry standards, regulations, and quality assurance processes across the avionics subsystem 
• Develop and maintain documentation for avionics systems and components, including design specifications, interface control documents, test plans, and operating procedures 
• Mentor junior engineers to improve design skill sets and increase capabilities within the organization 
• Continuously improve electrical engineering processes and practices to drive innovation and efficiency 

QUALIFICATIONS

• Bachelor's degree in Electrical Engineering or related field 
• Minimum 10 years of experience in electrical engineering 
• Demonstrated spacecraft flight heritage — experience designing, building, and delivering electronic hardware that has operated on orbit 
• Experience with embedded firmware development and hardware/firmware co-design 
• Advanced experience in PCB and PCBA design using Altium Designer or equivalent ECAD tools 
• Experience with system-level avionics architecture, including processing, power distribution, data interfaces, and redundancy schemes 
• Strong understanding of common spacecraft communication interfaces (RS-422/RS-485, SPI, I2C, SpaceWire, Ethernet) 
• Demonstrated ability to independently lead complex technical efforts and drive them to completion 
• Excellent communication and interpersonal skills 

PREFERRED SKILLS AND EXPERIENCE

• Master's degree in Electrical Engineering or related field 
• Experience with FPGA SoC development and VHDL/Verilog 
• Familiarity with spacecraft power systems, propulsion interfaces, and communication subsystems 
• Experience with radiation-tolerant design practices and mitigation of radiation effects on COTS components 
• Knowledge of industry standards and regulations related to spacecraft electrical systems, including EEE-INST-002, GSFC-STD-7000 (GEVS), and MIL-STD-461 
• Experience with simulation tools such as SPICE, MATLAB, and Simulink 
• Experience with worst-case circuit analysis and derating analysis for space-grade hardware 
• Familiarity with configuration management and requirements traceability tools 
• Experience working in a fast-paced, startup environment or a similarly dynamic setting 

COMPENSATION

• Base Salary: $175,000-$265,000
• Equity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave 

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, location, and experience. 

ADDITIONAL REQUIREMENTS

• Ability to maintain or obtain TS//SCI clearance 
• Work Location—this role will be onsite at either our Centennial, CO or Long Beach, CA locations, with travel to other sites as needed.
• Work environment—the work environment; temperature, noise level, inside or outside, or other factors that will affect the person's working conditions while performing the job.
• Physical demands—the physical demands of the job, including bending, sitting, lifting and driving.

This position will be open until it is successfully filled. To submit your application, please follow the directions below. #LI-Onsite

What You’ll Do

1. Contribute to the iteration of Katalyst’s spacecraft power system design, including schematics, board layouts, and interface definitions, to improve performance and complete feature upgrades. 
2. Support operation of power system hardware during qualification testing, working directly with test engineers to execute thermal vacuum and vibration qualification test campaigns.
3. Help own integrated functional testing of electrical hardware with other spacecraft subsystems. 
4. Plan and execute targeted stress and performance testing, exercising hardware to design extremes through targeted performance testing.
5. Help define and plan design changes for feature or architecture improvement of the spacecraft power system with respect to future mission requirements.

What We’re Looking For

1. Pride in work: You hold yourself to a high bar. You produce designs, documentation, and analyses that are correct, detailed, and ready for scrutiny.
2. Humility: You take on new challenges, learn from others, and grow. You seek out missing context, ask good questions, and course-correct quickly with new information.
3. Technical intuition and mastery: You understand power electronics at the component level and how that integrates in and impacts spacecraft systems at the architecture level.

Your Ideal Background

1. Bachelor’s degree in electrical engineering, or equivalent field
2. 3+ years of experience designing, testing, or integrating power electronics or closely related high-reliability power systems
3. Strong understanding of switch mode power supply design and DC/DC converter architectures 
4. Proficiency in Altium or similar ECAD tool for schematic and PCB layout design
5. Exposure to common digital communication standards (SPI, I2C, UART, CAN, ethernet) and mixed-signal design best practices 
6. Hands-on experience with hardware bring-up, bench testing, and debugging
7. Experience executing test procedures and documenting results
8. Experience troubleshooting board- or component-level analog and digital electronics issues 
9. Experience integrating power electronics with other subsystems 

Additional Requirements: Must be willing to work extended hours and weekends as needed.

Compensation and Benefits: Your base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. The anticipated salary range for this role is $105,000 - $145,000 annually

Base salary is just one part of your total rewards package at Katalyst. You will also be eligible for long-term incentives, in the form of the Employee Stock Option and Equity Plan, as well as a relocation bonus and other discretionary bonuses. You will also receive access to comprehensive medical, vision, and dental coverage, and unlimited Paid Time Off.

At Katalyst our work on projects involving the U.S. Department of Defense requires adherence to International Traffic in Arms Regulations (ITAR), 22 C.F.R. Parts 120-130, which requires compliance with U.S. export laws before allowing employees to perform certain positions. Currently, our available roles necessitate access to ITAR-controlled information, and as a result, Katalyst would have to ensure any non-US person is authorized access to ITAR information before the commencement of employment. We are committed to equal employment opportunities and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

About The Role: 

Urban Sky is seeking an Embedded Firmware Engineer to own the technical development and product evolution of our HUSKY bus platform – the backbone of our stratospheric flight systems. HUSKY provides integrated power distribution, Ethernet-based communications, and onboard compute for our balloon vehicles and customer payloads. This role sits at the intersection of firmware engineering, systems architecture, and product development.

As the product lead for HUSKY, you will work closely with the portfolio manager to drive R&D iteration cycles from architecture through validation and handoff to manufacturing. You will also interface directly with defense customers, supporting integration, network accreditation, and cybersecurity compliance requirements. This is a senior, high-ownership role for an engineer who thrives in a vertically integrated startup where decisions at the firmware layer have direct consequences on flight safety, mission success, and customer outcomes.

Key Responsibilities: 

HUSKY Bus Product Ownership

• Serve as the technical product lead for the HUSKY bus platform, owning the firmware architecture and driving iterative development cycles in collaboration with the portfolio manager
• Define firmware requirements with the portfolio manager, as informed by hardware trade studies, system-level constraints, and customer mission needs
• Lead design reviews, architecture decisions, and trade space analyses for new HUSKY revisions
• Manage the transition of validated designs from R&D into the manufacturing pipeline, ensuring design-for-manufacturability and documentation completeness
• Maintain version-controlled firmware baselines and establish robust release processes and configuration management practices
• Manage and develop firmware configuration tools to enable an automated customer interface

Embedded Firmware Development

• Design, develop, and verify embedded firmware for real-time systems operating in the stratospheric environment, including power management, communication schemas, network architecture, and compute subsystems
• Develop and maintain firmware for low-level hardware interfaces including I2C, SPI, UART, CAN, and Ethernet
• Implement and optimize RTOS-based or bare-metal firmware for microcontrollers and FPGAs as appropriate
• Ensure firmware robustness for operation in extreme stratospheric conditions: low temperatures, low pressure, radiation effects, and power constraints
• Develop and execute firmware-level unit tests, hardware-in-the-loop (HIL) test benches, and integration test procedures

Systems Architecture & Model-Based Development

• Define and document the HUSKY system architecture, including interface control documents (ICDs), data flow diagrams, and power budgets
• Apply model-based systems engineering (MBSE) principles to capture system behavior, manage requirements traceability, and support design verification
• Develop and maintain network topology models covering onboard Ethernet, serial communications, and payload interfaces
• Collaborate with mechanical and electrical engineers to ensure firmware design is tightly coupled with hardware constraints and thermal/power profiles

Electrical Engineering Interface

• Leverage a strong working knowledge of electrical engineering principles to inform firmware design decisions, including signal integrity, power sequencing, and peripheral driver development
• Partner with PCB designers and electrical engineers to review schematics, validate hardware bring-up, and debug hardware-firmware interaction issues
• Participate in hardware trade studies and component selection decisions where firmware implications are significant

Defense Customer & Cybersecurity Support

• Serve as a technical point of contact for defense customers integrating with the HUSKY bus, supporting requirements definition, interface documentation, and integration activities
• Support defense cybersecurity and network accreditation efforts, including Risk Management Framework (RMF) processes, STIGs, and authority-to-operate (ATO) activities
• Implement and maintain security controls for networked operational systems, including secure boot, encrypted communications, and access control
• Interface with government program offices and defense contractors in a professional and technically credible manner

Flight Safety & Reliability

• Design firmware with flight safety as a primary constraint, including watchdog management, fault detection and isolation, graceful degradation, and safe-state behaviors
• Conduct failure mode and effects analysis (FMEA) at the firmware and system level to identify and mitigate risk
• Support field operations and anomaly investigations, providing rapid firmware diagnostics and patching as needed
• Maintain thorough documentation of known failure modes, workarounds, and operational limitations

Field Operations & Communications Exercises

• Support field test flights and customer demonstrations, providing on-site firmware expertise to ensure HUSKY bus systems perform reliably throughout all phases of flight operations
• Lead network integration communication exercises with defense customers, evaluating security boundaries, verifying data flows across the HUSKY bus, and validating that network segmentation and access controls perform as designed under operational conditions
• Document exercise findings, network architecture decisions, and security boundary assessments; communicate results clearly to both internal engineering teams and defense customer stakeholders
• Coordinate with the flight operations team and customer representatives to plan and execute pre-flight network checkout procedures, ensuring all payload communications and security configurations are verified prior to launch

Qualifications: 

• 5+ years of embedded firmware engineering experience, with at least 2 years in a lead or senior individual contributor capacity
• Proficiency in C and C++ for embedded targets; Python scripting for test automation and tooling is a plus
• Strong understanding of network topology, including Ethernet, TCP/IP, UDP, and serial communications protocols
• Demonstrated experience with systems architecture, requirements development, and interface definition
• Working knowledge of electrical engineering fundamentals sufficient to read schematics, debug hardware, and drive hardware-firmware co-design
• Experience with version control (Git), CI/CD pipelines for embedded targets, and configuration management
• Excellent technical communication skills; able to produce clear architecture documents, ICDs, and test reports
• Self-directed and capable of managing multiple concurrent workstreams in a fast-paced environment

Nice-to-Haves/Preferred Skills: 

• Experience with model-based systems engineering (MBSE) tools such as Cameo, MagicDraw, or equivalent
• Background working with defense customers or on DoD programs; familiarity with RMF, CMMC, and ATO processes
• Experience with cybersecurity controls for networked embedded systems, including NIST SP 800-171 or STIG compliance
• Familiarity with aerospace or high-altitude platform avionics, including stratospheric balloon, UAS, or small satellite systems
• Experience with FPGAs (Xilinx/AMD or Intel/Altera) and HDL development (VHDL or Verilog)
• Background in power electronics firmware, including battery management, solar charging, or DC-DC converter control
• Experience bringing hardware-firmware products from R&D through manufacturing transition
• Startup or small-team engineering experience

Requirements: 

• Must be a US Citizen or Permanent Resident
• Must be located near Denver, CO
• Ability to obtain and maintain a security clearance may be required for certain programs 

Benefits: 

• Medical, Vision and Dental 
• Unlimited Vacation Days 
• Parental Leave 
• Cell Phone Bill Stipend 
• Stock Options