Senior Electrical Engineer, Power | San Francisco, CA.

Planet is hiring a senior electrical engineer to design and qualify power subsystems for its satellite fleet. You’ll work on MPPTs, high-voltage converters, propulsion PPUs, and power regulation/distribution for nano and small satellites. The role includes schematic design, PCB layout oversight, PCBA bring-up, automated test development, and on-orbit anomaly support. This hybrid position requires three days per week in the San Francisco HQ.

Planet operates the world’s largest imaging-satellite constellation, providing global users with high-quality Earth data for commercial, environmental, and humanitarian applications. As both a space and data company, Planet builds and controls its hardware, manufacturing, and software end to end. Teams span multiple engineering disciplines and work across offices in San Francisco, Washington DC, and Europe, as well as remote locations worldwide.

Planet emphasizes a people-focused, collaborative culture and is committed to growth and impact. Join the team advancing how the world understands our planet.

• Design high-voltage power subsystems and support manufacturing documentation
• Lead PCBA validation, EMI/EMC and thermal qualification, and launch-load readiness
• Develop automated test procedures with manufacturing teams
• Troubleshoot on-orbit spacecraft issues

• 10+ years PCB design, including 5+ in power electronics
• BS in Electrical/Computer Engineering or similar
• Experience with >500 V switching converters, SiC/GaN components, and mixed-signal design
• Strong PCB layout knowledge, embedded systems experience, and proficiency with lab equipment
• Advanced Altium skills and scripting (Python preferred)

Custom magnetics, MPPTs/solar arrays, electric propulsion, and aerospace/LEO experience.