Senior Software Engineer – Navigation Software (ONSITE)

Date Posted: 2026-10-27 Country: United States of America Location: US-FL-MELBOURNE-313 ~ 1344 S Babcock St ~ BLDG 313 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The company will offer immigration sponsorship for this position, if needed.​ The company will not seek an export authorization for this role. Security Clearance Type: None/Not Required Security Clearance Status: Not Required At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Our navigation software team is looking for a Senior Software Engineer to serve as a seasoned individual contributor responsible for the development and integration of Navigation (NAV) software modules that interface with a Collins Flight Management System (FMS) for commercial transport aircraft. The role involves working independently on moderately complex problems and supporting certification and verification activities consistent with DAL B objectives. This is an onsite position in Melbourne, Florida. What you will do: Design, implement, integrate, and maintain NAV software modules that provide navigation data to the Collins FMS. Develop software in ADA, C++, C, and Python following safety-critical development standards. Analyze system and software requirements, including NAV-to-FMS ICDs. Participate in flight-test operations, lab testing, and simulation runs to evaluate system performance under real-world and mission-critical conditions Implement navigation algorithms, data handling, and integrity monitoring logic. Implement and support AI-assisted onboard features such as intelligent sensor fusion, anomaly detection, and autonomous control logic Support requirements traceability in Jama or DOORS. Conduct unit and integration testing and debugging. Support verification and validation activities per DO-178C. Participate in peer reviews, design reviews, and code inspections. Collaborate with systems, verification, and certification teams. Qualifications you must have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience Real-time embedded software experience is required. Proficiency in  C++, C, and Python. Experience across multiple phases of the software lifecycle. Familiarity with Git, Jira, Confluence, Jama,  SVN and CI/CD tools. Qualifications we prefer: DO-178B/C experience (DAL B preferred). Knowledge of avionics navigation and FMS-integrated systems. Experience with ICD-driven development. Familiarity with ARINC 429 or ARINC 664. Strong communication skills. Experience with ADA. What we offer:   Medical, dental, and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection Birth, adoption, parental leave benefits Carrot Health to hormonal health, fertility, and family building 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 And more!  Learn More & Apply Now! Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again. Apply now and be part of the team that’s redefining aerospace, every day. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels.