Firefly Aerospace
Propulsion Engineer II (Valves)
Cedar Park, TX · Full-time · Posted Oct 8, 2026
- Experience
- 3+ years in a valve or fluid system design-related role.
- Education
- BS in Aerospace Engineering or related engineering discipline.
- Visa sponsorship
- Must be a U.S. citizen, lawful permanent resident, protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain required authorizations from the U.S. Department of State, to comply with U.S. Government space technology export regulations including ITAR.
About the job
Designs and owns propulsion valves, regulators, and actuators through development, qualification, production support, and lifecycle improvements for Firefly space vehicles.
What you'll do
- Design, develop, test, and qualify propulsion fluid components; own products through production support.
- Lead design reviews, test planning and execution, failure investigations, and cross-functional hardware delivery.
- Improve cost, risk, yield, and manufacturability while supporting upgrades across programs.
What they ask for
- BS in Aerospace Engineering or a related engineering discipline.
- 3+ years of experience in a valve or fluid system design-related role.
- Strong knowledge of engineering fundamentals and fluid systems, including sizing, valve design and operation, instrumentation, flexible elements, and fittings.
- Ability to create analytical/numerical models and manage complex projects.
Nice to have
- Aerospace development project experience in a fluids-related subsystem; component testing experience.
- Proficiency in GD&T, DFM, FEA and/or CFD; knowledge of cryogenic or other listed fluid systems.
Tools
GD&T, DFM, FEA, CFD, SMC-S-016, S-080
Model-written summary · the original posting is authoritative