Senior Electrical Engineer - Spacecraft Power SupplySenior Electrical Engineer - Spacecraft Power Supply 2 days ago Be among the first 25 applicants

Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly. Direct message the job poster from Approach Venture Approach Venture | Advancing Frontier Tech with Top Talent Electrical Engineer – Own the Design of Scalable Spacecraft Power Systems! Opportunity Summary A well-funded early-stage space company is seeking a Senior Electrical Engineer to take the lead on developing and delivering flight-ready power subsystems for next-generation spacecraft platforms. In this role, you’ll be responsible for architecting and validating robust power electronics, including DC-DC converters, power distribution units, and energy storage systems, that serve as the electrical core of scalable orbital infrastructure. This is a rare opportunity to step in early, contribute to hardware that's already flying with real customers, and influence spacecraft power systems from first principles through production. You’ll join a nimble, fast-growing team that’s tackling the complexities of building space systems at scale. Our current work spans both commercial and government contracts, with a strong emphasis on modularity, reliability, and manufacturability. If you’re looking for a high-impact role that blends deep technical ownership with hands-on engineering, this is your chance to shape the future of power systems in orbit. About Us We’re designing a fundamentally new spacecraft architecture aimed at simplifying how satellites are built, deployed, and operated. Our compact, modular platform reimagines traditional bus systems, integrating power, control, and communications into a streamlined form factor built for mass production. With a growing portfolio of national security and commercial customers, and an experienced founding team drawn from top aerospace and technology companies, we are committed to solving the biggest bottlenecks in scalable space access, starting with intelligent, reliable power. Job Duties Lead the design and validation of spacecraft power subsystems including isolated/non-isolated DC-DC converters, power regulation networks, and distribution units Own development of battery systems, including charge control, protection circuitry, and health monitoring Implement MPPT (maximum power point tracking) techniques for solar array optimization Create detailed schematics and multilayer PCB layouts using Altium or similar ECAD tools Support bring-up, integration, and qualification of flight hardware including environmental and functional testing Drive analysis of power budgets, efficiency trade-offs, and system-level energy strategies Collaborate closely with avionics, mechanical, and embedded software teams to ensure seamless power delivery across subsystems Apply design standards for space-readiness including thermal limits, launch vibration, and radiation tolerance Qualifications BS or MS in Electrical Engineering or related technical field 3+ years of hands-on experience designing and testing power electronics or embedded power systems Solid foundation in analog design, switch-mode power supplies (SMPS), and energy storage technologies Familiarity with simulation tools (LTspice, PLECS, etc.) and ECAD platforms (Altium, KiCAD, etc.) Demonstrated ability to debug board-level issues and support system integration Understanding of power reliability in harsh environments including thermal extremes and radiation Comfortable operating independently in a fast-moving, mission-driven hardware environment Preferred Experience Previous design experience with flight-ready power systems for CubeSats, microsats, or space-rated electronics Experience working with modular spacecraft platforms or scalable satellite bus architectures Familiarity with lithium-ion battery chemistries and space-based charge control profiles Exposure to government, dual-use, or national security-focused space programs Prior work in early-stage startups with small, agile engineering teams Why Join Us? Lead development of core flight hardware from day one Help shape the electrical and systems architecture of a new spacecraft platform Collaborate with experienced engineers solving some of space's hardest problems Opportunity to grow with a high-upside pre-seed startup already working with active customers Equity in a growing space venture Strong PTO policy Medical, dental, and vision coverage Flexible and collaborative work environment Seniority level Seniority levelMid-Senior level Employment type Employment typeFull-time Job function Job functionEngineering, Information Technology, and Design IndustriesDefense and Space Manufacturing, Space Research and Technology, and Aviation and Aerospace Component Manufacturing Referrals increase your chances of interviewing at Approach Venture by 2x Inferred from the description for this job Medical insurance Vision insurance Get notified about new Senior Electrical Engineer jobs in San Francisco, CA . 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