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Principal Software Engineer- Flight Systems

FS Studio
Denver (Hybrid)
Full-time
160,000 – 195,000 / year
You apply on FS Studio's own careers site

You’ll lead software architecture and delivery for ground and flight systems supporting lunar and deep-space missions. The work includes flight software, ground systems, and cloud or embedded ML and autonomy, along with technical leadership and mentoring across teams.

Permanent
Hybrid
15+ years

Skills & Expertise

C/C++
Python
embedded Linux
NASA cFS
AWS
flight software
real-time systems
containerization

Key Responsibilities

Lead software architecture and engineering practices across mission programs.

Develop and deliver flight software, ground systems, and cloud or embedded ML and autonomy systems.

Coordinate full lifecycle delivery and technical proposals, and mentor junior engineers.

Full Description

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.

• 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.

Benefits

• Competitive compensation + signing bonus

• Health insurance

• 401(k)

• Flexible time off

• Quarterly incentives

• Relocation support

Applications are handled on FS Studio's site