Firefly Aerospace
Propulsion Engineer II/III - Alpha Turbopumps
Briggs, TX · Full-time · Posted Oct 23, 2026
- Experience
- Level II: 3+ years; Level III: 6+ years. Desired: 5+ years developing turbomachinery for launch vehicle, spacecraft, or liquid rocket engine propulsion systems.
- Education
- B.S. in Mechanical, Aerospace, or a related engineering discipline; an advanced degree in Mechanical Engineering, Aerospace Engineering, or an equivalent field is desired.
- Visa sponsorship
- Must be a U.S. citizen, lawful permanent resident of the U.S., protected individual 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
Own the design, analysis, testing, qualification, and flight support of turbopump hardware for Firefly’s Alpha engines.
What you'll do
- Lead turbopump fluid and mechanical design, analysis, and reliability and manufacturability improvements.
- Plan and support hardware development, qualification, and acceptance testing; review data and resolve anomalies.
- Support manufacturing, assembly, engine and stage testing, and launch operations as the turbomachinery representative.
What they ask for
- B.S. in Mechanical, Aerospace, or a related engineering discipline.
- Level II: 3+ years experience; Level III: 6+ years experience.
- Fundamental understanding of rotating machinery and strong understanding of fluid dynamics, thermodynamics, heat transfer, and solid mechanics.
- Hands-on hardware design, fabrication, and testing experience; knowledge of CAD and configuration management, GD&T, tolerancing, and ASME Y14.5.
Nice to have
- Siemens NX and Teamcenter; familiarity with Python, MATLAB, LabVIEW, GFSSP, or other control, data acquisition, and reduction software.
- Advanced degree; 5+ years developing turbomachinery for launch vehicle, spacecraft, or liquid rocket engine propulsion systems.
Tools
Siemens NX, Teamcenter, Python, MATLAB, LabVIEW, GFSSP, ASME Y14.5, ANSYS
Model-written summary · the original posting is authoritative