Firefly Aerospace
Spacecraft Systems Engineer III
Cedar Park, TX · Full-time · Posted Oct 22, 2026
- Experience
- 6+ years; equivalent work will be considered.
- Education
- BS in Aerospace Engineering or related engineering discipline required.
- 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, to comply with U.S. Government space technology export regulations including ITAR.
About the job
Develops Blue Ghost and Elytra spacecraft across their lifecycle, ensuring system architecture, requirements, interfaces, testing, and mission operations support vehicle success.
What you'll do
- Develop and maintain system designs, interface documents, and technical performance budgets; own requirements flowdown, subsystem interfaces, and vehicle-level test plans.
- Lead system-level trades, design and data reviews, change and risk boards, and resolution of test-impacting issues.
- Coordinate across engineering, manufacturing, integration, test, launch, and operations teams; support offsite testing and lunar mission operations.
What they ask for
- BS in Aerospace Engineering or a related engineering discipline.
- 6+ years of focused hands-on experience in an interdisciplinary project management or execution role on spacecraft; equivalent work will be considered.
- Demonstrated first-principles engineering knowledge and experience leading interdisciplinary teams that include hardware and software engineers.
- Working knowledge of ASME, MIL, ASTM, and/or NASA Standards and Systems Engineering best practices.
Nice to have
- Full spacecraft mission lifecycle experience; knowledge of GNC analysis, cislunar planning, lunar environment, robotics, or autonomous visual navigation.
- MS or PhD in Aerospace/Mechanical Engineering or an equivalent technical field; spacecraft architecture, reliability, radiation resilience, production, Agile, or PMP experience.
Tools
ASME, MIL, ASTM, NASA Standards, JIRA, confluence, bitbucket
Model-written summary · the original posting is authoritative