CesiumAstro
Senior Propulsion Engineer I
$140K–$168K
El Segundo, CA · On-site · Senior · Full-time · Posted Jun 3, 2026
- Experience
- 4+ years; no stated alternatives.
- Education
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- Visa sponsorship
- Applicants must be U.S. citizens, lawful permanent residents, conditional residents, asylees or refugees (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.
About the job
Leads the design, analysis, development, and testing of liquid rocket engine hardware and propulsion subsystems from concept through qualification and flight readiness.
What you'll do
- Design and develop liquid rocket engine components; perform calculations, CFD, and FEA analyses.
- Own subsystem requirements, architecture trades, and system integration; produce technical documentation.
- Develop and run test programs, analyze results, and collaborate across engineering teams to deliver flight-ready hardware.
What they ask for
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- 4+ years of experience with mechanical design, development, fabrication, assembly, or test.
- Hands-on proficiency in CAD tools (Siemens NX, SolidWorks).
- Demonstrated expertise in structural or mechanical design for flight hardware.
Nice to have
- Prior liquid rocket engine parts design experience and practical test bench setup or performance diagnostics.
- GD&T; familiarity with aerospace safety and reliability practices; experience with tools such as ANSYS and MATLAB.
Pay
USD 140,000–168,000 per-year-salary (base salary)
Tools
Siemens NX, SolidWorks, CFD, FEA, ANSYS, MATLAB, GD&T
Model-written summary · the original posting is authoritative