Firefly Aerospace
Launch Vehicle Mechanisms Engineer III
Cedar Park, TX · Full-time · Posted Oct 20, 2026
- Experience
- 6+ years required; desired alternative: 8+ years of relevant experience in place of the preferred M.S. or PhD.
- Education
- B.S. in Mechanical, Aerospace, or related engineering field.
- 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 required authorizations from the U.S. Department of State.
About the job
Designs, analyzes, develops, and qualifies flight-critical moving mechanical assemblies for launch vehicle programs, from hardware definition through testing and integration.
What you'll do
- Own and develop mechanisms, including CAD and drawings, detailed analysis, and documentation.
- Lead mechanism development, qualification, and acceptance testing; support builds and resolve fit, function, and performance issues.
- Coordinate with cross-functional teams and mentor engineers on mechanism design.
What they ask for
- B.S. in Mechanical, Aerospace, or related engineering field.
- 6+ years designing, analyzing, and qualifying mechanisms for aerospace or high-reliability systems.
- Experience with flight-critical mechanisms and extreme-environment design and testing.
- Proficiency with FEA or classical hand calculations; experience with production builds and qualification and acceptance testing.
Nice to have
- M.S. or PhD in a related discipline or 8+ years of relevant experience; launch vehicle or spacecraft program experience.
- Familiarity with scripting or programming for analysis, automation, or data reduction, and working knowledge of listed standards.
Tools
FEA, AIAA S-114, NASA 5017b, SMS-S016, NASA 5020, GEVS
Model-written summary · the original posting is authoritative