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FS Studio

Principal Software Engineer- Flight Systems

  • Seen live on FS Studio's site 2 days ago
  • Senior
  • Remote
Pay
$160k to $195k a year USD
Location
Denver
Open for
17+ days
First seen
Oct 18, 2026
Apply on FS Studio's site (opens in a new tab)

Posting record

No flags

Open 17+ days

The posting's record, oldest first
  1. FS Studio's site dates the posting
  2. Ghostless first sees this listing
  3. Last checked: still up
How we know

It hasn't been reposted, listed twice, or left up unusually long, and the posting doesn't say it's a talent pool.

Ghostless records the day it first sees a posting, so a repost can't reset its age. This one was already up when Ghostless started tracking FS Studio, so its true age is longer.

Last checked Nov 2, 2026.

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What it asks of you

Security clearance required
“Citizenship and eligibility for a Security Clearance; must meet export-control requirements.” (quoted from the posting)

What the posting discloses

Pay
$160k to $195k a year USD
Salary: $160k–$195k + bonus + benefits + relocation (quoted from the posting)

Not stated: Real vacancy, AI screening.

Why these three

Ontario requires postings from employers with 25 or more staff to state the pay, whether the vacancy exists, and whether AI screens applicants.

Skills mentioned

About the role

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

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