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Principal Power Electronics Engineer I

CesiumAstro
United Statesfull_timeVerifiedPosted 19 Mar 2026

About the role

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.
At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.
We are seeking a Principal Power Electronics Engineer I (2025538) to join our growing spacecraft payload development teamIn this position, you will contribute across the entire development lifecycle of next-generation power electronics hardware for satellites and space power systems payloads—from leading the definition of power system architectures and trade studies to detailed circuit design, simulation, printed circuit board (PCB) layout, verification and integration testing, production transition, and manufacturing support. 

DUTIES AND RESPONSIBILITIES

  • Define electrical power system architecture, and derive power subsystem requirements   

  • Design DC-DC power converters, motor drives, inverters, power management and control circuits from concept to production release 

  • Perform detailed design for low to high complexity analog and power electronics circuits ranging from single DC-DC power converters to multi-output power supply modules  

  • Perform modeling and analysis of analog and power electronics designs including worst-case circuit analysis (WCA), stress analysis, small signal modeling analysis, failure modes and effects analysis (FMEA), reliability analysis, and power integrity analysis 

  • Develop design verification test plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plans for power converters and power supply designs 

  • Lead board bring-up and design verification testing of power electronics circuits and modules  

  • Lead system integration, qualification campaigns, and release of analog and power electronics designs into production 

  • Mentor younger engineers and foster knowledge sharing 

  • Lead a small team of power electronics engineers to drive project execution  

  • Perform research and monitor power electronics industry trends to drive innovation and generate intellectual property in this area 

REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Bachelor of Science (BS) degree or higher in Electrical Engineering (or related) from an accredited university. 

  • Minimum of 9 years of experience designing analog and power electronics  

  • Experience working with electrical power systems and subsystems, including developing power architecture and power requirements, performing trade studies for size, weight, power, and cost optimization (SWAP-C), selecting power converter topologies, and defining power management and control blocks 

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Company

CesiumAstro

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