Apex Space
Senior Software Engineer, Operating Systems
$185K–$250K
Los Angeles · On-site · Senior · Full-time · Posted Oct 19, 2026
- Experience
- 8+ years writing operating-system code.
- Education
- Bachelor's degree in CS or EE, or equivalent professional experience.
- Visa sponsorship
- Applicants must either qualify as a U.S. Person or be able to obtain the required U.S. export authorizations.
About the job
Designs and owns operating-system and low-level flight software that enables reliable spacecraft operation, including avionics interfaces, embedded platforms, firmware updates, and security.
What you'll do
- Develop low-level software for processor peripherals and avionics communication interfaces.
- Develop, configure, and maintain embedded Linux platforms and bootloader frameworks.
- Design and validate secure firmware update mechanisms and software security enhancements.
What they ask for
- U.S. Person status or ability to obtain required export authorizations.
- Bachelor's degree in CS or EE, or equivalent professional experience.
- 8+ years writing operating-system code, ideally with Yocto or embedded Linux on hardware interacting with the physical world.
- Strong proficiency in Python, C++, or Rust.
Nice to have
- Experience with mission-critical satellite software from prototyping through flight operations.
- Experience bringing up avionics and flight hardware, integrating hardware/software, or debugging hardware.
Pay
$185K - $210K (base salary); $200K - $250K (base salary)
Tools
Yocto, Buildroot, WolfBoot, U-Boot, Python, C++, Rust
Model-written summary · the original posting is authoritative