SpaceX
Propulsion Engineer, Stage Systems (Starship)
About this role
SpaceX seeks a Propulsion Engineer to design, develop, and oversee stage propulsion systems for Starship, including propellant feed, pressurization, and control systems. The role spans from initial design through flight operations, requiring ownership of system performance across all vehicle stages and missions.
What you'll do
- Develop and maintain requirements, design, operation, and performance of stage propulsion systems
- Create and validate thermal/fluid models for propellant and pressurization systems
- Design stage control sequencing, valve timing, and mission operations from conception to flight software
- Support production, testing, and launch operations across SpaceX facilities
- Generate test plans, conduct testing, review data, and sign off on system acceptance
- Support launch operations and resolve flight anomalies with corrective actions
What they're looking for
- Thermodynamics and compressible/incompressible flow analysis
- Pressurized fluid systems and cryogenic system experience
- Statics and mechanics of materials
- Rocket stage and engine propulsion system testing
- Python and/or MATLAB programming
- Aerospace instrumentation and control systems
- Technical communication and stakeholder presentation
- Hardware fabrication, assembly, and testing
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SpaceX
SpaceX develops advanced spacecraft and satellite systems, including the Starshield government satellite constellation and Starfall re-entry cargo capsule for global delivery. The company is hiring engineers in avionics integration, software test automation, mechanical design, and hardware reliability to validate flight-critical systems and ensure mission success.
- Website
- spacex.com
Likely interview questions
- Describe your experience designing or troubleshooting pressurized fluid systems—what was your most complex propellant or cryogenic system challenge?
- Walk us through how you would develop a thermal/fluid model for a cryogenic propellant feed system and validate it against test data.