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Power Avionics Engineer

Cowboy Space Corporation· Avionics
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San Carlos, California$120k - $175kFull-timePosted 5mo ago

About the role

The Power Electronics Engineer designs, develops, and integrates electrical power systems for high-power solar arrays and compute payloads in a space environment, collaborating with software, mechanical, solar, and propulsion teams to meet stringent performance standards.

Responsibilities

  • Own the design, development, and validation of spacecraft power electronics systems from concept through flight
  • Architect and implement power distribution systems, including power management, conversion, and regulation for spacecraft subsystems
  • Design and analyze DC-DC converters, battery management systems (BMS), and power control electronics for high-reliability environments
  • Develop and execute test plans for power systems, including functional, environmental, and hardware-in-the-loop (HIL) testing
  • Perform system-level analysis of power budgets, efficiency, thermal performance, and fault conditions
  • Implement protection and fault management strategies (overcurrent, overvoltage, short circuit, latch-up protection)
  • Partner closely with structures, thermal, software, and payload teams to ensure seamless integration of power systems
  • Support board bring-up, integration, and debugging of power electronics in lab and flight environments
  • Investigate anomalies and drive root cause analysis to improve system robustness and reliability
  • Support vehicle integration, pre-flight testing, and on-orbit performance analysis

Qualifications

  • Bachelor’s degree in Electrical Engineering or a related field
  • 3+ years of experience designing or testing power electronics or avionics systems
  • Strong understanding of power electronics fundamentals (DC-DC conversion, control systems, power distribution)
  • Experience with schematic capture, PCB design, and board bring-up
  • Familiarity with lab equipment (oscilloscopes, power supplies, electronic loads) and debugging techniques
  • Experience working in high-reliability or hardware-focused environments

Skills

Required:Power electronics designDC-DC conversionBattery management systems (BMS)Power distributionSystem integration
Nice to have:Hardware-in-the-loop testing (HIL)

Benefits

  • Equity in Cowboy Space Corp.
  • Medical, dental, and vision insurance for employees and eligible dependents
  • 401(k) retirement savings plan
  • Paid time off
  • 10 paid holidays per calendar year
  • Paid parental leave
  • Relocation assistance if applicable
  • Daily lunch in the office and a fully stocked kitchen with beverages and snacks
Last updated Sep 20, 2026. Interested? Apply on the company site.

About Cowboy Space Corporation

Powering Humanity From the High Frontier

Cowboy Space Corp. is building a power grid in outer space for artificial intelligence. It is an integrated system of satellites and rockets to haul high-performance compute and optical data transmission down from Low Earth Orbit. Earth's energy grid can't run at the pace of AI. We can.

Orbital Data CentersAI compute in spacesolar-powered data centersLow Earth Orbitpower grid in space
Company profileWebsite

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