Power Avionics Engineer

About the Company

Cowboy Space Corp. is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities—from powering on-orbit compute, to transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit compute to delivering secure, high-bandwidth optical data.

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

Requirements

• 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

Preferred Qualifications

• Experience designing power systems for spacecraft, aerospace, or other harsh environments
• Familiarity with battery systems, solar arrays, and energy storage technologies
• Experience with radiation-tolerant design and component selection
• Knowledge of thermal management and its interaction with power electronics
• Experience with hardware-in-the-loop (HIL) testing and system integration
• Familiarity with FPGA or embedded systems as they relate to power control and monitoring
• Experience with reliability analysis (FMEA/FMECA, derating, fault tolerance)
• Ability to work in fast-paced, high-ownership environments with aggressive timelines

Benefits

• Equity in Cowboy Space Corp.
• Medical, dental, and vision insurance
• 401(k) retirement savings plan
• Paid time off and 10 paid holidays
• Paid parental leave
• Relocation assistance if applicable