Apex Space
Senior Flight Software Engineer
$185K–$250K
Los Angeles · On-site · Senior · Full-time · Posted Oct 15, 2026
- Experience
- 8+ 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
Designs, develops, tests, and owns mission-critical software for autonomous satellite-bus operations throughout the spacecraft lifecycle.
What you'll do
- Build and maintain mission-critical satellite software, including unit, integration, and system-level testing.
- Support spacecraft commissioning during launch and early operations.
- Work with internal teams and external customers to align software with product requirements and technical roadmaps.
What they ask for
- 8+ years of total flight software experience.
- Bachelor’s degree in CS, EE or equivalent.
- Strong proficiency in programming languages such as Python, C++, Rust.
- Experience with real time systems running on distributed hardware.
Nice to have
- Knowledge of embedded Linux operating systems, system administration and creating Linux distributions (Yocto).
- Familiarity with satellite systems and protocols, such as CCSDS, and ECSS; network protocols, secure communication systems, Protobuf and encryption.
Pay
USD $185K - $210K base salary (Senior); USD $200K - $250K base salary (Staff)
Tools
Python, C++, Rust, Yocto, CCSDS, ECSS, TCP/IP, UDP
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