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Salary: USD 88,000 - 121,000 / annual
Apex manufactures satellite buses (spacecraft platforms) at scale, combining software, vertical integration, and hardware designed for manufacturing. The company serves the rapidly growing commercial space industry by providing platforms that enable earth observation, communications, and other critical missions.
As an Early Power Electronics Engineer, you will join a closely integrated team driving the architecture, development, and delivery of flight-critical power systems for spacecraft. You'll work on designing spacecraft power generation, storage, conversion, and distribution systems to meet platform requirements, with the opportunity to approach problems from clean-sheet design and inform trades across Apex's fleet. You'll contribute to component development in a vertically integrated environment and be innovative in pushing the limits of design and performance.
Key responsibilities include:
- Design, analysis, and testing of spacecraft power systems (generation, energy storage, distribution, DC-DC conversion) for harsh environments
- Electrical power system and sub-system level design trades and requirements development
- Electrical power system verification testing and analysis
- Collaboration with multidisciplinary teams (design, test, production engineers) on power electronics hardware
- Drive system and electrical architecture trades, product requirements, component selection, design analysis, schematic capture, prototyping, bring-up, design documentation, manufacturing planning, and production test
- Learn technical leadership across the organization, manage program risk and change, and drive new technology introduction
Apex is a fast-growing startup that has raised over $500M in funding. The company offers equity participation, comprehensive benefits (100% company-paid medical/dental/vision, $100k life insurance, 401(k) with generous matching, 15-20+ days vacation plus 10 paid holidays, 8 weeks paid parental leave), daily catered lunch, and a collaborative office environment in Playa Vista with flexibility for work-life integration.
REQUIREMENTS:
- U.S. Person status required (ITAR compliance for export-controlled data access)
- 1+ years of spacecraft electronics experience
- Experience across spacecraft power systems
- Bachelor's degree in aerospace engineering or related field (Master's preferred but not required)
- Excellent interpersonal skills; ability to convey decisions and conclusions to multiple audiences
- Extensive experience in spacecraft design, launch, and operation across all development lifecycle phases
- Experience in integrated software/hardware verification and testing
