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 DoLead 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.
15+ years in spacecraft, mission control, or complex aerospace software systems.
Expertise in C/C++ and Python.
Experience with embedded Linux, real-time/flight software, and preferably NASA cFS.
Knowledge of cloud services (AWS), containerization, version control, and Agile processes.
Ability to collaborate with multidisciplinary teams and operate within rigorous engineering standards.
U.S. Citizenship and eligibility for a Security Clearance; must meet export-control requirements.
Competitive compensation + signing bonus
Health insurance
401(k)
Flexible time off
Quarterly incentives
Relocation support
Skills Required
- Expert-level C++ skills
- Proficiency in Python or another high-level language
- Strong knowledge of Linux and software architecture
- Experience with Git or similar version control tools
- 7+ years of relevant software experience
