Principal Engineer, Software Engineering

Job ID: 01862143Posted: Posted 30+ Days AgoStart Date: 2026-07-24Location: US-IA-CEDAR RAPIDS-106 ~ 400 Collins Rd NE ~ BLDG 106Country: United States of AmericaTime Type: Full timeDate Posted:2026-07-24 Country:United States of America Location:US-IA-CEDAR RAPIDS-106 ~ 400 Collins Rd NE ~ BLDG 106 Position Role Type:Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance Type: Security Clearance Status: Not RequiredRockwell Collins Inc. d/b/a Collins Aerospace has an opening for a Principal Engineer, Software Engineering in Cedar Rapids, IA.Joining Collins Aerospace isn’t just about finding a job; it’s about embarking on a journey to redefine the future of aerospace technology.What YOU will doResponsible for applications including Primary Flight Displays, Maps, Windows Manager and Video. Maintain applications and work with Model Based software development with Simulink and testing/verification using python and harness environments using C/C++.Architect, design, develop and test embedded software in avionics products. Collaborate on software requirements and design.Implement and test software.Solve complex software and systems problems.Design and implement build procedures that are used to support hardware and software product development and use.Design, develop, document, test and design control and diagnostic systems that contain logical and mathematical solutions.Conduct multidisciplinary research and collaborate with equipment designers in the planning, design, development and utilization of electronic data processing systems for product and commercial software.Determine end-user needs by analyzing system capabilities to resolve problems on program intent, output requirements and input data acquisition.Qualifications You Must Have Must possess at least a bachelor's degree or its equivalent in Computer Science, Electrical Engineering or related field and at least 8 years of progressive experience as a Software Engineer or related role in the aerospace industry. In the alternative, must possess at least a master’s degree or its equivalent in Computer Science, Electrical Engineering or related field and at least 5 years of experience as a Software Engineer or related role in the aerospace industry.Must possess at least 5 years of experience with RTCA DO-178C Certification, DO-330, 331, 332, FAA SOI, TCR Audits, TSO Certification for safety critical airworthy embedded systems.Must possess at least 5 years of experience with defining, validating system/software requirements, application architecture prototyping, low level design and development.Must possess at least 5 years of experience with ARINC communications including ARINC 429, 661, 664 and 615A.Must possess at least 5 years of experience with Embedded C programming, debugging, troubleshooting hardware-software system integration.Must possess at least 5 years of experience in developing avionics software with Visual Studio, VAPs graphics, Human Machine Interface design, Python & Model based development using MATLAB Simulink.Non-U.S. Person – Position will not offer work immigration sponsorship and will seek export authorizations to allow the individual to work on a specific program or project.Learn More & Apply Now!Avionics: Our Avionics team advances flight deck solutions, airborne communications, vision systems, sensors and fire protection for commercial and military customers around the world. That means we’re helping people reach their destination safely and keeping pilots, passengers, flight crews, airlines, airports and military personnel connected and informed. And we’re providing industry-leading fire protection and safety systems that our customers can count on when it matters most. Are you ready to learn from the most knowledgeable experts in the industry, develop the technologies of tomorrow and reach new heights in your career? Join our Avionics team today.Onsite: Employees who are working in Onsite roles will work onsite. Thisincludes all production and maintenance employees, as they are essential to thedevelopment of our products. The salary range is $135,803.00 to $204,500.00 USD per year. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.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.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms:Click on this link to read the Policy and Terms