[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All RTX jobs](https://jobs.opennash.com/companies/rtx/) · [Search jobs](/search/) RTX · MELBOURNE, FL, US # Senior Principal Engineer, Software Engineering MELBOURNE, FL, US Full-time Senior individual contributor $155,501.00 to $251,600.00 Software Engineering Listed on RTX’s official careers site. Posted October 21, 2026. Check that it is still open and apply there. [Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-FL-MELBOURNE-307--1100-W-Hibiscus-Blvd--BLDG-307/Senior-Principal-Engineer--Software-Engineering_01883510) [OpenNash Jobs](https://jobs.opennash.com/) / [RTX](https://jobs.opennash.com/companies/rtx/) / Senior Principal Engineer, Software Engineering ## Job description ### Date Posted 2026-10-19 Country: United States of America Location: US-FL-MELBOURNE-307 ~ 1100 W Hibiscus Blvd ~ BLDG 307 Position Role Type: Unspecified U.S. Citizen, U.S. ### Person, or Immigration Status Requirements Security Clearance Type: Security Clearance Status: Not Required Rockwell Collins Inc. has an opening for a Senior Principal Engineer, Software Engineering in Melbourne, FL. National and international travel approximately 2-4 times per year. 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 do Work in the traffic surveillance group leading multiple development teams creating new software features and fixing known software problems across legacy products, including Transponder and TCAS. Work with multiple team leads to plan, organize and execute the development of software requirements change and software bug fixes. Define software verification approaches and verification reuse strategies. Track development progress and report development effort in monthly progress meetings. Manage scope changes for software project development activities. Manage cost and schedule details for software project development activities. Define certification approach and plan in preparation for Stages of Involvement (SOI) audits (1 through 4). Define and execute area of improvement in software development activities which yield quality and/or execution efficiencies. ### Qualifications You Must Have - Must possess at least a bachelor's degree or its equivalent (to include a four year degree, a degree in combination with prior work experience or 12 years of work experience) in Computer Science, Electrical Engineering, Electronics Engineering, Systems Engineering or related field and at least - 10 years of progressive experience as a Software Engineer or related role. In the alternative, at least a master’s degree or its equivalent (to include an advanced degree, a degree in combination with prior work experience or work experience) in Computer Science, Electrical Engineering, Electronics Engineering, Systems Engineering or related field and at least 7 years of experience as a Software Engineer or related role would be acceptable. Must possess at least 7 years of experience with DO-178B development and verification teams. Must possess at least 7 years of experience in safety-critical embedded software development and verification. Must possess at least 4 years of experience leading systems and software development projects. Must possess at least 2 years supporting traffic and transponder avionics. Must possess at least 1 year supporting weather radar avionics. Non-US Person - 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. 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. This includes all production and maintenance employees, as they are essential to the development of our products. The salary range is $155,501.00 to $251,600.00 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 ## At a glance - Posted by the employer: Oct 21, 2026 - First seen by OpenNash: Oct 21, 2026 - Last checked: Oct 21, 2026 - Listed for: Under a day - Location: MELBOURNE, FL, US - Employment type: Full-time - Pay: $155,501.00 to $251,600.00[Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-FL-MELBOURNE-307--1100-W-Hibiscus-Blvd--BLDG-307/Senior-Principal-Engineer--Software-Engineering_01883510) ## More jobs at RTX ### [Senior Engineer, Software Engineering](https://jobs.opennash.com/companies/rtx/jobs/d11f4b9245b78f0f9ab6/) MELBOURNE, FL, US ### [Continuous Improvement Specialist - CORE Operating System (Onsite)](https://jobs.opennash.com/companies/rtx/jobs/35d1b3fe0a19919a708e/) MELBOURNE, FL, US ### [Operations Product Manager (Onsite)](https://jobs.opennash.com/companies/rtx/jobs/8f51cc7aa7fe52dcac69/) MELBOURNE, FL, US ### [Principal Electrical Engineer - Test Engineering (Onsite)](https://jobs.opennash.com/companies/rtx/jobs/31202bcf03cc1e2c1e41/) MELBOURNE, FL, US ### [Project Engineering Co-op (Summer/Fall 2027)](https://jobs.opennash.com/companies/rtx/jobs/9f6ac06b1d11fef76f94/) MELBOURNE, FL, US ## Similar jobs at other companies ### [SR Principal Software Engineer - LLM Engineering](https://jobs.opennash.com/companies/jpmorganchase/jobs/c9af683aa86a1aa5dbca/) JPMorganChase · Palo Alto, CA, United States ### [Senior Principal Software Engineer - Fraud Prevention Engineering](https://jobs.opennash.com/companies/jpmorganchase/jobs/9f938742397dc99bbaec/) JPMorganChase · Palo Alto, CA, United States ### [Test Engineering - Principal Software Engineer (Hybrid)](https://jobs.opennash.com/companies/bae-systems/jobs/a6c0299a7faa4d42a562/) BAE Systems · Cedar Rapids, Iowa, United States ### [Test Engineering - Sr Principal II Software Engineer (Hybrid)](https://jobs.opennash.com/companies/bae-systems/jobs/26e85354e1132007e065/) BAE Systems · Cedar Rapids, Iowa, United States ### [Principal Software Engineer - Agentic Engineering](https://jobs.opennash.com/companies/microsoft/jobs/f2fc7722820b491ae1f4/) Microsoft · United States, Washington, Redmond, California, Mountain View, Texas, Austin [Software Engineering jobs](/functions/software-engineering/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)