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NewSpace Technical Logo NewSpace Technical · IT - Software Development

Senior / Lead Power Electronics Engineer

United States, Los Angeles · Job Posted January 22, 2026
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Job Description

Are you a power electronics specialist excited by the challenge of designing high-reliability flight hardware for next-generation satellite platforms operating at ultra-low Earth orbit? On offer is the opportunity to join a high-growth space company pushing the limits of spacecraft performance and survivability. You’ll lead the design and delivery of mission-critical power electronics, owning converter architectures, control strategies, and high-voltage/low-voltage power pathways that enable safe, efficient spacecraft operation across the full mission lifecycle. Join a team building fast-moving aerospace programs where performance margins, robustness, and manufacturability matter. You’ll work closely with EPS, avionics, propulsion, thermal, systems, and integration teams to drive clean, efficient, space-qualified power designs from concept through to validated flight hardware. This position would suit a deeply technical engineer who thrives on converter design, hardware ownership, rigorous verification, and bridging the gap between simulation and real-world electrical performance in harsh orbital environments.

Job Responsibility

  • Lead the design, development, and verification of spacecraft power electronics (DC/DC converters, power stages, switching networks, protections)
  • Own power converter architecture, component selection, control loop design, and stability analysis
  • Develop and review schematics, PCB layouts, and design-for-manufacture principles for flight hardware
  • Support EPS power conditioning and distribution (PCDU) development including protections, fault handling, and power switching strategies
  • Perform detailed analysis including efficiency, thermal dissipation, transient response, EMC/EMI risk, and worst-case performance
  • Drive component qualification and parts selection for space environments (radiation tolerance, derating, thermal constraints)
  • Plan and execute test campaigns: functional, environmental (TVAC), vibration, EMC pre-compliance, and fault injection
  • Lead design reviews (PDR/CDR) and provide technical mentorship across the electrical team
  • Collaborate cross-functionally to define requirements, interfaces, and system-level trade-offs across mass/power/thermal margin
  • Support integration and on-orbit troubleshooting, ensuring rapid issue resolution when performance deviates from expected behaviour

Requirements

  • Bachelor’s degree in Electrical Engineering, Power Electronics, or similar (Master’s preferred but not required)
  • 5+ years’ experience in power electronics design, ideally within aerospace, automotive, defence, robotics, or high-reliability industrial systems
  • Strong experience designing switch-mode power supplies (SMPS) including topologies such as buck/boost, isolated converters, and multi-rail architectures
  • Proven ability to take hardware from concept through schematic, PCB, bring-up, debug, and qualification testing
  • Strong understanding of EMI/EMC principles, grounding, layout constraints, and mitigation strategies
  • Experience with power electronics simulation and analysis tools (SPICE, MATLAB/Simulink, or equivalent)
  • Confident working hands-on with test equipment (oscilloscopes, power analysers, electronic loads) in a lab environment
  • Strong communication and leadership skills – able to own designs, run reviews, and guide engineers through delivery

What we offer

Competitive Salary + Equity + Benefits + Flexible PTO

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