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Senior Software Engineer

Airbus US Space & Defense
United States, United StatesRemotefull_timeVerifiedPosted 17 Nov 2025

About the role

This position offers FULLY REMOTE opportunities for candidates across the United States. Preferred locations: Arlington VA, Denver CO or Merritt Island FL.

Airbus U.S. Space & Defense, Inc offers advanced solutions to meet the most complex U.S. defense, security, space, and intelligence requirements. Celebrating over 50 years in the US, we remain a trusted government partner, leveraging world-class satellite, laser communication, rotor and fixed wing solutions to help our national security, defense and space focused customers meet their missions.


Airbus U.S. looks to employ a commitment driven team, dedicated to enabling our customer's mission success. We are committed to maintaining a diverse and inclusive work environment and a welcoming and engaging staff. With competitive compensation and superior employee benefits, as well as a commitment to fostering individual career growth, Airbus U.S. is the place where top talent wants to work.


Position Summary:

Airbus U.S. is looking for an enthusiastic and creative software engineer to develop and test spacecraft flight software. We're looking for candidates who can bring exceptional programming skills and experience in embedded software development and testing to the team.


Position Responsibilities:

The Senior Software Engineer's primary responsibility will be contributing to the development and testing of Airbus U.S.'s satellite flight software. This engineer will be involved in the full lifecycle of flight software development, from requirements definition through operations. However, because we are a small team where each person takes on many roles, this engineer will also contribute to mission concept development, in-house modeling and simulation capabilities, internal research and development, and proposal writing. Being at the cutting edge of space technology, we need someone who is eager to learn, grow, and take on new and potentially unfamiliar challenges. There is no shortage of fascinating problems to solve.

The Senior Software Engineer will provide autonomous support of complex assignments, under the leadership of the Software Engineering Manager. The Senior Software Engineer will have appropriate project and subject matter responsibility and authority.


Flight Software 75%

  • Upgrade existing flight software for new missions
  • Contribute to the development of new satellite flight software for Airbus U.S. satellite platforms
  • Develop in-house tools to analyze flight software performance and assess its compatibility with new mission and conops
  • Develop and execute flight software tests at the unit, module, subsystem, and platform level
  • Work with manufacturing engineers to support installation onto the hardware-in-the-loop test environment and eventual flight hardware
  • Participate in anomaly resolution activities and patch existing flight software

Software Integration and Test 10%

  • Develop and execute FSW verifications tests using both proprietary satellite digital twin software and a Hardware in the Loop (HIL) FlatSat.
  • Establish and document test methodologies and descriptions to test compliance with Airbus and customer-based requirements.
  • Develop and implement software and tools for ground support equipment to test and validate flight software.
  • Contribute to document management, including versioning, bug reporting, and test plan documentation.
  • Oversee and conduct official validation tests.

Systems Modeling 10%

  • Contribute to the development of systems- and mission-level modeling and simulation tools
  • Develop software models of payloads for ground testing
  • Support development of software model of satellite platform, particularly ensuring accurate representation of the flight software

Additional Responsibilities 5%

  • Support working groups, both internal and with customers and/or vendors
  • Support proposal writing, new business
  • Assess the software impacts of new hardware, conops, and missions

Qualified Experience / Skills / Training:

Education:

  • Bachelor's degree in STEM (Science, Tec

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Company

Airbus US Space & Defense

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