Principal Software Engineer – Space Systems
Location: Greater Denver, CO (on-site 3–5 days/week)
Salary: $160k–$195k + bonus + benefits + relocation

A fast-growing space-technology company is seeking a Principal Software Engineer to lead architecture and development of ground and flight software for lunar and deep-space missions. This is a high-impact role influencing technical direction across multiple mission programs.

What You’ll Do

• Lead architecture decisions and guide software best practices across the organization.

• Develop flight software (cFS, embedded Linux), ground systems (Python, modern web frameworks), and cloud/embedded ML or autonomy systems.

• Own full lifecycle delivery: requirements, development, testing, integration, and ops.

• Provide technical proposals, estimates, and cross-team coordination.

• Mentor and uplift junior engineers.

What We’re Looking For

• 15+ years in spacecraft, mission control, or complex aerospace software systems.

• Expertise in C/C++ and Python.

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