Early Power Electronics Engineer

In this role you will design and verify flight-critical spacecraft power electronics to support Apex's satellite buses. You will work on generation, storage, distribution, and DC-DC conversion, shaping architecture through cross-functional collaboration. The position blends clean-sheet design with practical verification to meet harsh-space environments and mission needs. You will help push performance boundaries while contributing to Apex's growing family of spacecraft platforms. This is a chance to influence power systems that enable reliable access to space at scale.

• Equity in Apex
• 100% company-paid medical, dental, and vision
• Life insurance
• Comprehensive PTO 15-20 days + holidays
• 401(k) with generous match
• Parental leave and childcare reimbursement

• Design, analysis, and testing of spacecraft power systems (generation, storage, distribution, DC-DC conversion) for harsh environments
• Perform electrical power system verification testing and analysis
• Drive system and electrical architecture trades, develop product requirements, and manage design documentation and manufacturing planning
• Collaborate with design, test, and production teams to create new power electronics hardware
• Lead technical leadership across the organization, including risk management and technology introduction

• 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
• Strong interpersonal skills and ability to communicate with multiple audiences
• Extensive experience in spacecraft design, launch, and operation across development lifecycle
• Experience in integrated software/hardware verification and testing
• U.S. Person status for export-controlled data access

• Interpersonal communication
• Cross-functional collaboration
• Proactive problem solving
• Spacecraft power systems
• Power generation, storage, distribution
• DC-DC conversion