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Sr. Mechanical Design Engineer (Starship Components)

SpaceX - Hawthorne, CA

Posted Jan 28, 2026

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About this role

Sr. Mechanical Design Engineer (Starship Components) Hawthorne, CA SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. MECHANICAL DESIGN ENGINEER (STARSHIP COMPONENTS) The Propulsion Components team develops the most advanced spacecraft and launch vehicle components in the world. Our engineers serve as hardware experts for the flow and position control devices that drive the critical capabilities on the Starship/Super Heavy Vehicle- from regulators and butterfly valves to flap actuators. We design, develop and characterize components for simplicity, manufacturability and reliability in extreme environments, with temperatures ranging from 80 to 800 K, and pressures beyond 800 bar. As a Propulsion Components Engineer at SpaceX, you will have the opportunity to utilize your knowledge, experience, and creativity to develop novel solutions at the cutting edge of space technology. You will own the relationship between our vehicle hardware/systems teams and manufacturing teams while spearheading your own projects, utilizing your skills in analysis, development testing, and mechanical design. You will provide input into vehicle architecture trades and take a lead role in design and flight readiness on Starship, the vehicle that will make humanity multi-planetary. RESPONSIBILITIES: - Develop state-of-the-art, manufacturable flow control devices (valves, regulators, solenoids) and mechanisms (flap/fin/payload door actuators) across Starship and Super Heavy stage systems. Question requirements, delete parts and processes, simplify/optimize, accelerate,

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