Senior Flight Software Engineer (RTOS/RTEMS)

Salary: $150,000 - 225,000 per year Requirements:

• 10+ years of flight software development experience.
• Hands-on experience with RTOS or RTEMS; experience with multiple real-time operating systems is preferred.
• Experience with C++, Rust, or embedded C on custom, non-FPGA avionics boards.
• Proven experience implementing Guidance, Navigation, and Control (GNC) algorithms.
• Extensive Hardware-in-the-Loop (HITL) testing and validation experience.
• Experience with mission and orbital analysis and Monte Carlo simulations.
• Experience developing flight software modules, such as C&DH, fault management, GNC, and payload integration.
• Bachelors degree in Software Engineering, Computer Science, or a related field.
• Ability to lead complex software programs from concept through on-orbit operations.
• U.S. citizenship and the ability to hold or obtain a security clearance are required.
• Familiarity with FAA 178-B, 178-C, or 178-D standards is preferred.
• Startup experience and a collaborative, non-dogmatic approach are preferred.
• Sponsorship and visa transfers are not available.

• Develop flight software for mission-focused spacecraft and satellite constellations.
• Implement GNC algorithms and flight software modules, including C&DH, fault management, and payload integration.
• Conduct Hardware-in-the-Loop testing and validation, mission and orbital analysis, and Monte Carlo simulations.
• Lead complex software programs from concept through on-orbit operations.

• Embedded
• FPGA
• Hardware
• Rust
• Security
• AI
• C++
• REST

More:

We are hiring a Senior Flight Software Engineer for a small, rapidly growing aerospace and satellite company developing mission-focused spacecraft and constellation designs, with an emphasis on innovative spacecraft architecture and onboard software. Our experienced team includes aerospace and satellite professionals, and our CEO has led five successful startup exits. This is a fully onsite role in Boulder, Colorado. The annual base salary is budgeted at $150,000–$200,000, with approximately 0.5% equity; compensation up to $225,000 may be considered for the right candidate.

last updated 42 week of 2026