Drimva

Firefly Aerospace

Launch Vehicle Mechanisms Engineer II

Cedar Park, TX · Full-time · Posted Oct 20, 2026

Experience
3+ years required; desired qualification also includes 5+ years of relevant experience as an alternative to an 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, 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 across the hardware lifecycle.

What you'll do

  • Own the design and development of mechanisms, including CAD, drawings, and detailed engineering analyses.
  • Lead mechanism development, qualification, acceptance testing, and resolution of build and integration issues.
  • Coordinate with cross-functional teams and mentor junior engineers on mechanism design.

What they ask for

  • B.S. in Mechanical, Aerospace, or a related engineering field.
  • 3+ years of experience designing, analyzing, and qualifying mechanisms for aerospace or high-reliability systems.
  • Demonstrated experience with flight-critical mechanisms and understanding of kinematics, tribology, tolerance analysis, lubrication, and wear.
  • Experience with extreme-environment design and testing, strength/stiffness/fatigue evaluation, production builds, and qualification and acceptance testing.

Nice to have

  • M.S. or PhD in Mechanical, Aerospace, or related discipline, or 5+ years of relevant mechanism experience.
  • Launch vehicle or spacecraft program experience; shock mitigation; scripting or programming; or familiarity with AIAA S-114, NASA 5017b, SMS-S016, NASA 5020, or GEVS.

Tools

CAD, FEA, AIAA S-114, NASA 5017b, SMS-S016, NASA 5020, GEVS

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 5, 2026 (UTC)