About The Position

RTX’s Collins Aerospace Core Systems & Libraries team is seeking a Senior Software Engineer to build core software components, libraries, and tools that support modern aircraft and scalable, certifiable avionics platforms. The role involves architecting and developing safety-critical software, contributing to system-level technical direction, and delivering solutions aligned with civil and military certification standards. The position is hybrid, with work locations in Cedar Rapids, Iowa, or Huntsville, Alabama. The engineer will work across the software lifecycle, from requirements and architecture through development, verification, and certification. The role includes developing software using modern C++ and object-oriented design, producing DO-178 certification artifacts including DAL-A deliverables, and engaging with customers and regulatory authorities during certification efforts. The engineer will also collaborate with engineering, program leadership, and customers, and contribute to peer reviews. The role offers opportunities to work with emerging avionics technologies, gain end-to-end product lifecycle experience, build expertise in DO-178 certification, and help design and sustain software product lines for multiple platforms and global customers. Domestic and international travel may be required, at less than 10%.

Requirements

  • Typically, a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of relevant experience, or an advanced degree in a related field and a minimum of 3 years of experience.
  • Experience designing and developing software architecture, libraries, or platform-level components in an aerospace or safety-critical environment.
  • Experience leading technical execution of tasks, including customer engagement and presenting to stakeholders.
  • U.S. citizenship is required because only U.S. citizens are authorized to access information under this program or contract.

Nice To Haves

  • Experience with C++ and VxWorks.
  • Experience writing high-level and low-level requirements.
  • Experience writing test cases and automated test procedures.
  • Experience with civil certification DO-178, with DAL A preferred.
  • Experience designing and developing Flight Management Systems, software, aircraft applications, or middleware.
  • Familiarity with revision control concepts and tools such as Git, Subversion, and JIRA.
  • Hands-on experience supporting DO-178 software development and certification activities, such as requirements, verification, or certification artifacts.

Responsibilities

  • Develop the architecture and design of core software components, libraries, and tooling aligned with avionics system requirements.
  • Drive technical direction and execution across development and verification activities for safety-critical software under DO-178.
  • Develop software requirements, decomposition, and traceability across complex systems.
  • Develop and verify software using modern C++ and object-oriented design principles.
  • Develop DO-178 certification artifacts, including DAL-A deliverables.
  • Perform certification efforts, including engagement with customers and regulatory authorities.
  • Conduct and contribute to peer reviews to ensure quality, consistency, and compliance across the lifecycle.
  • Collaborate with engineering, program leadership, and customers to align technical solutions with program objectives.
  • Travel domestically and internationally as required; travel is expected to be less than 10%.

Benefits

  • Medical, dental, and vision insurance.
  • Three weeks of vacation for newly hired employees.
  • 401(k) plan with employer matching funds and a separate employer retirement contribution, including a Lifetime Income Strategy option.
  • Tuition reimbursement program.
  • Student Loan Repayment Program.
  • Life insurance and disability coverage.
  • Optional pet, home and auto, additional life and accident, critical illness, group legal, and identity theft protection coverages.
  • Birth, adoption, and parental leave benefits.
  • Adoption Assistance.
  • Autism Benefit.
  • Employee Assistance Plan, including up to 10 free counseling sessions.
  • Healthy You Incentives wellness rewards program.
  • Doctor on Demand virtual doctor visits.
  • Bright Horizons child and elder care services.
  • Teladoc Medical Experts second-opinion program.
  • Relocation eligibility.
  • Potential eligibility for annual short-term and/or long-term incentive compensation programs.
  • Potential eligibility for paid time off and holidays.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service