Apex Space
Senior Propulsion Engineer, Fluids
$140K–$195K
Los Angeles · On-site · Senior · Full-time · Posted Sep 28, 2026
- Experience
- 6+ years (Sr) / 8+ years (Staff).
- Education
- Bachelor’s degree in mechanical, aerospace, chemical, or a related engineering field.
- Visa sponsorship
- Applicants must qualify as a U.S. Person or be able to obtain required U.S. export authorizations.
About the job
Owns the design, analysis, testing, safety compliance, and production handoff of pressurized propellant feed systems for spacecraft propulsion modules.
What you'll do
- Design feed-system architecture, components, routing, joints, and margins; perform fluid analysis and support manufacturability.
- Define and run qualification and acceptance test campaigns, and manage range-safety, pressure-system compliance, and flight approvals.
- Support servicing, integration, launch, on-orbit evaluation, anomaly resolution, and technical mentorship.
What they ask for
- Bachelor’s degree in mechanical, aerospace, chemical, or a related engineering field.
- 6+ years (Sr) / 8+ years (Staff) of fluid systems engineering experience, including substantial hands-on pressurized fluid or propellant feed-system work.
- Experience with fluid-system analysis and testing, including leak, proof, burst, and functional testing.
- Direct range-safety and pressure-systems experience, flight-hardware qualification, and designing to vehicle requirements and ICDs.
Nice to have
- Master’s degree in a related engineering field.
- Experience with electric and chemical propulsion feed systems, COPVs, serial production, hazardous operations, contamination control, or fluid GSE.
Pay
$140K – $195K USD base salary
Tools
SSCMAN/AFSPCMAN 91-710, ICDs, COPVs, helium/mass-spec
Model-written summary · the original posting is authoritative