Spacecraft Systems Integration & Test Responsible Engineer

The role

You will turn mature satellite platform designs into flight-ready systems. You will own system-level integration, verification, anomaly resolution, and flight readiness.

What you will do

• Plan, coordinate, and execute system-level integration of spacecraft subsystems
• Oversee and support functional and performance testing
• Oversee and support environmental testing including vibration and thermal-vacuum
• Develop, review, and approve system-level test procedures
• Analyze test data and lead anomaly investigation and resolution
• Own verification and validation of platform-level system requirements
• Maintain system-level verification artifacts, test reports, and compliance documentation
• Support qualification, acceptance, and flight readiness reviews
• Support launch site activities and on-orbit commissioning as needed
• Track requirement changes, risks, and mitigation actions

Required qualifications

• U.S. Person status
• Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, Systems Engineering, or related field
• 6+ years of experience with system integration, test, and qualification
• Strong understanding of satellite subsystems and system-level interactions
• Experience planning and executing system-level tests on satellite programs
• Strong problem-solving, organizational, and communication skills

Nice to have

• Prior flight hardware experience
• Experience supporting spacecraft environmental testing campaigns
• Familiarity with aerospace verification and qualification standards
• Experience operating in a production or high-rate environment

Benefits

• Equity in Apex
• 100% company-paid medical, dental, and vision for you and your dependents
• $100k life insurance at no cost
• Starting at 15 days vacation, growing to 20+ days annually
• 10 paid holidays
• 401(k) plan with 100% match on first 3% and 50% on next 2%
• 8 weeks paid parental leave
• Childcare reimbursement up to $350/day for work-related travel
• Daily catered lunch and unlimited snacks
• Monthly office socials, pickleball tournaments, run club, and gatherings

Before you apply

• Must qualify as a U.S. Person (U.S. citizen or national, lawful permanent resident, refugee, or individual granted asylum) or be able to obtain required export authorizations

About the company

Apex manufactures satellite buses at scale using software, vertical integration, and hardware designed for manufacturing. The company is a fast-growing startup that has raised more than $500M in funding.