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  3. Sr. Onboard Software Engineer
Loft logo

Sr. Onboard Software Engineer

Loft
San Francisco, California
Full Time
Posted November 18, 2025
Not Specified
~110 people viewed this recently
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Application opens on company website

Job Description

A Senior Onboard Software Engineer responsible for developing and maintaining on-orbit software that monitors and controls space program elements, including computational environments, external equipment interfaces, and high-level vehicle services such as file transfer, time synchronization, and navigation, to support satellite missions.

Key Responsibilities

  • Monitor and control on-orbit space program elements, including flight products and computational environments.
  • Interface with external equipment such as imagers, RF, and ISL systems.
  • Interface with the spacecraft bus to ensure proper operation.
  • Develop and maintain high-level vehicle services including file transfer, time synchronization, automation, and scheduling.
  • Implement and support core onboard software functions like attitude control and navigation.

Requirements

  • Experience in onboard software engineering for space or satellite systems.
  • Proficiency in monitoring and control of major space program elements, including Flight Products computational environments with physical and virtual processors.
  • Ability to interface with external equipment such as imagers, RF systems, ISL, and the spacecraft bus.
  • Experience with high-level vehicle services and functions, including file transfer, time synchronization, automation, scheduling, attitude control, and navigation.
  • Demonstrated ability to develop reusable onboard software services across multiple satellite programs.
  • Proficiency in software development for embedded systems and real-time environments.
  • Strong understanding of spacecraft architecture and onboard systems integration.
  • Ability to work collaboratively in a team environment and communicate effectively across international offices.
  • Proficiency in English, with the ability to review and produce technical documentation in English.

Benefits & Perks

Work in the space industry with on-orbit software and satellite technology
Opportunity to work on high-level vehicle services including file transfer, automation, scheduling, attitude control, and navigation
International work environment with offices in San Francisco, CA, Golden, CO, and Toulouse, France
Potential for career growth as the company scales up to a fleet of 30 satellites by 2027

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