Apex Space
Flight Software Engineer (Early)
$125K–$138K
Los Angeles · On-site · Full-time · Posted Sep 21, 2026
- Experience
- 1+ years of total flight software experience.
- Education
- Bachelor’s degree in CS, EE or equivalent.
- Visa sponsorship
- Applicants must qualify as a U.S. Person or be able to obtain required U.S. export authorizations.
About the job
Develops and owns mission-critical flight software for Apex satellite buses, supporting autonomous spacecraft operations from design through deployment and early mission operations.
What you'll do
- Design, implement, test, and maintain software for satellite systems throughout its lifecycle.
- Support spacecraft commissioning during launch and early operations.
- Collaborate with internal teams and customers on product requirements and technical roadmaps.
What they ask for
- U.S. Person status or eligibility to obtain required U.S. export authorizations.
- 1+ years of total flight software experience.
- Bachelor’s degree in CS, EE or equivalent.
- Strong proficiency in programming languages such as Python, C++, Rust.
Nice to have
- Experience with real time systems running on distributed hardware.
- Knowledge of embedded Linux, satellite systems and protocols, software integration and testing, or network and secure communication protocols.
Pay
$125K – $137.5K (base salary; ISO currency code not stated)
Tools
Python, C++, Rust, Yocto, CCSDS, ECSS, TCP/IP, UDP
Model-written summary · the original posting is authoritative