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Collins Aerospace Logo

Principal Software Engineer (Onsite)

Collins Aerospace

$101,000 - $203,000
Nov 12, 2025
Windsor Locks, CT, US
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RTX is looking to develop, test, and prove compliance to certification authorities that their flight-critical aviation applications are safe, reliable, and airworthy by designing, developing, and verifying real-time embedded software.

Requirements

  • Experience with aerospace or other safety-critical embedded systems.
  • Expertise in designing and developing embedded software architectures for real-time systems.
  • Hands-on experience with DO-178B/C processes, including software verification and compliance.
  • Proficiency in software debugging, instrumentation, and performance analysis.
  • Programming experience in C, Assembly, and/or Python.
  • Familiarity with tools such as logic analyzers and other lab test equipment.
  • Experience with software verification testing.

Responsibilities

  • Requirements Engineering, Implementation, and Verification
  • Translate customer requirements into actionable software requirements.
  • Design and implement software solutions that meet performance, safety, and reliability standards.
  • Conduct low-level verification activities to ensure compliance with DO-178B/C.
  • Review software design and code to confirm alignment with software requirements.
  • Generate, execute, and review test scripts and data for software verification.
  • Create documentation to support aerospace certification processes.

Other

  • Must be authorized to work in the U.S. without the company’s immigration sponsorship now or in the future.
  • The company will not offer immigration sponsorship for this position.
  • The company will not seek an export authorization for this role.
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.
  • Proven ability to lead projects across functional teams and geographic locations.