Firefly Aerospace
Spacecraft GNC Engineer II
Cedar Park, TX · Full-time · Posted Oct 20, 2026
- Experience
- 2-5 years of professional experience in spacecraft guidance, navigation, and control, or related technical discipline.
- Education
- Bachelor's degree in aerospace engineering, mechanical engineering, electrical engineering, physics, mathematics, computer science, or related 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, simulates, and operates spacecraft guidance, navigation, and control systems and software across mission phases.
What you'll do
- Develop and validate GNC software, algorithms, simulation models, and workflow automation tools.
- Perform simulation, stability, sensitivity, and hardware-in-the-loop analyses; integrate GNC software with spacecraft hardware.
- Support spacecraft operations as a GNC console operator and conduct post-mission analysis.
What they ask for
- Bachelor's degree in a listed or related field.
- 2-5 years of professional experience in spacecraft GNC or a related technical discipline.
- Understanding of orbital mechanics, spacecraft dynamics, state estimation, attitude dynamics, and sensor modeling; familiarity with numerical simulation and dynamic-system modeling.
- Experience with Python and C++, and understanding of software development practices including Git, documentation, and testing.
Nice to have
- Advanced degree in aerospace engineering or a related field focused on GNC.
- Experience supporting spacecraft GNC through development, integration, and mission operations.
Tools
Python, C++, Git, Linux, CI/CD
Model-written summary · the original posting is authoritative