Principal Software Engineer - Avionics Software Tools (Onsite)

Date Posted: 2026-09-14 Country: United States of America Location: US-IA-CEDAR RAPIDS-105 ~ 400 Collins Rd NE ~ BLDG 105 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62 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. We are seeking a Principal Software Engineer for our Avionics Software Tools team based in Cedar Rapids, Iowa.  The Avionics Software Tools team is an Avionics tools focused team, with responsibilities for Avionics Function tools and Integrated Modular Architecture system configuration tools, delivering software for Avionics products and systems that enable engineers to design and deploy products to aircraft platforms.  This engineer will work in a team of software and systems engineers driving solutions for DO-330 qualified tools, simulation and infrastructure tools for multiple avionics teams.  The team supports Collins Avionics Commercial and Military platforms.  Our team builds cloud and desktop environments for use in dev ops pipelines, desktop deployments and external customers that enable Avionics products used on aircraft that fly around the world. This role is for a software technical leader that acts as lead for a medium to large team and will be expected to develop knowledge in multiple avionics software domains and lead technical approaches, understand and contribute to software architecture designs, decompose large technical challenges for their team, participate in trade studies, demonstrate project reporting skills, and work with engineering management to drive projects to completion.  An ideal candidate will have systems experience or training in addition to a software engineering background. This is an onsite role in our facilities located in Cedar Rapids, Iowa, and due to the global nature of our teams, business and customers, applicants to this position will be expected to collaborate with teams located in multiple geographical locations. What You Will Do:         Provide technical leadership for medium to large sized team of software engineers in development of Avionics software tools Perform project reporting and project status for team to immediate management Work with aircraft systems engineers and airborne software application teams to design and deliver solutions that integrate Avionics software for prototyping, implementation and testing of avionics products. Interact and collaborate with engineering teams across Avionics. Qualifications You Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience. Proficient in one or more of the following programming languages: C/C++/C#, Python, Java. Linux and Microsoft Windows 11 experience and familiarity with operating and using software on Windows PCs. Experience with software engineering processes and procedures, including writing software requirements, software design and implementation, functional and integration testing, writing test cases and test procedures, and software delivery support. Qualifications We Prefer: Experience with DO-330 qualified tools used in certification of Avionics software Experience in both software and systems engineering Demonstrated ability to identify problems, evaluate options, and develop solutions Ability and aptitude to learn programming languages on the job as technologies evolve. Familiarity with export of technical data and commodities Aerospace industry experience What We Offer: Benefits:  Some of our competitive benefits package includes:     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   Ovia Health, fertility, and family planning    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!    This role may be eligible for relocation. 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