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Principal Flight Software Engineer

VAST

$214,100 - $283,800
Nov 12, 2025
Long Beach, CA, US
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Vast is building artificial gravity space stations to enable long-term stays in space without the adverse effects of zero-gravity. The company is seeking a Principal Flight Software Engineer to support the development of systems for these human-rated space stations, starting with Haven-1, the world's first commercial space station.

Requirements

  • 15+ years coding with C++.
  • Knowledge of control systems, orbital mechanics, and modeling and simulation techniques.
  • Experience developing flight code for space or satellite applications.
  • Fault-tolerant and safety-critical software design.
  • Experience developing software for complex systems such as spacecraft, aircraft or autonomous vehicles.
  • Experience with Real-time Systems.
  • Understanding of Linux kernel software and drivers.

Responsibilities

  • Work with the team to create highly reliable flight software for all Haven missions.
  • Work cross functionally with all other disciplines GNC, Thermal, Propulsion, Power, and ECLSS to support algorithm implementation and integration into the flight software.
  • Assess and critique code, ensuring adherence to best practices and established standards, in code reviews.
  • Work alongside GNC engineers to develop and integrate algorithms.
  • Develop simulation and modeling software for a high fidelity real time simulation system.
  • Develop tools to allow the use of Hardware-in-the-loop (HITL) testing environments.
  • Develop driver-level code to interface with radios, sensors, and actuators onboard for all Haven missions.

Other

  • Full-time, exempt position located in Long Beach.
  • Willingness to work evenings and/or weekends to support critical mission milestones.
  • The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by [22 C.F.R. § 120.62] or otherwise eligible for deemed export licensing.
  • Vast is an Equal Opportunity Employer; employment with Vast is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.