Spacecraft Structures Test Engineer

About this role

Apex seeks a Spacecraft Structures Test Engineer to lead validation testing of satellite buses from component through full-system integration. You'll design test strategies, operate specialized systems, and collaborate across teams to prove spacecraft performance in real environments.

What you'll do

• Own structural test strategy and execution across all levels from components to integrated spacecraft
• Develop and operate fluid, hydraulic, and pressurized systems including high-pressure and cryogenic environments
• Design data acquisition systems with strain gauges, load cells, pressure transducers, and thermocouples
• Write and automate test procedures using Python for execution and analysis
• Lead end-to-end test operations including setup, execution, and post-test review
• Troubleshoot failures and partner with design, avionics, and manufacturing teams on root cause analysis

What they're looking for

• Structural mechanics and testing (strength, stability, fatigue)
• Test stand design and load application systems
• Instrumentation and lab equipment operation
• Python scripting and test automation
• Structural analysis (FEM and hand calculations)
• High-pressure and cryogenic system experience
• Environmental testing (TVAC, vibration, shock, EMI/EMC)
• CAD/FEA software (NX, Nastran, ANSYS)

Benefits

• Equity in a well-funded startup ($500M+)
• 100% company-paid medical, dental, and vision coverage plus $100k life insurance
• 15-20+ days vacation plus 10 paid holidays annually
• 401(k) matching: 100% on first 3%, 50% on next 2%
• 8 weeks paid parental leave with childcare reimbursement up to $350/day
• Daily catered lunch and unlimited snacks