Firefly Aerospace
Structures Engineer I (Spacecraft)
Cedar Park, TX · Full-time · Posted Oct 23, 2026
- Experience
- 3+ years required; desired qualification includes an M.S. degree and/or 5+ years of experience.
- Education
- B.S. in aerospace, mechanical, or civil engineering.
- 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 U.S. Department of State authorizations under ITAR.
About the job
Develops and verifies primary and secondary structures for Firefly’s Blue Ghost Lunar Lander and Elytra spacecraft across design, production, and testing.
What you'll do
- Own the mission hardware design cycle, from conceptual design and sizing through production and structural testing.
- Design composite and metallic spacecraft structures; optimize mass and production, and support manufacturing and non-conformance resolution.
- Create CAD models, drawings, specifications, analysis and test reports while maintaining requirements, schedules, and mass budgets.
What they ask for
- B.S. in aerospace, mechanical, or civil engineering and 3+ years of experience in aerospace or related structures engineering.
- Strong 3-D CAD design and integration skills; Siemens NX / FiberSim preferred.
- Strong understanding of ASME Y14.5 and drafting techniques for component and assembly specifications.
- Experience with precision structural integration and manufacturing techniques; ability to work on a multidisciplinary team and provide technical guidance.
Nice to have
- M.S. in aerospace or mechanical engineering and/or 5+ years of experience.
- Knowledge of composite manufacturing, FEA/FEM tools, honeycomb panels, vehicle-level testing, or aerospace structural analysis methods.
Tools
Siemens NX, FiberSim, ASME Y14.5, Nastran, ANSYS, FEMAP, Simcenter
Model-written summary · the original posting is authoritative