Principal Engineer, Software Engineering

Date Posted: 2026-07-07 Country: United States of America Location: US-IL-ROCKFORD-BB ~ 4747 Harrison Ave ~ BUTLER BLDG Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance Type: Security Clearance Status: Not Required Hamilton Sundstrand Corporation d/b/a Collins Aerospace has an opening for a Principal Engineer, Software Engineering in Rockford, IL. 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 Responsible for software development life cycle (plan, design, verify, certify) embedded software per aerospace standards (DO-178 is typical, design assurance levels A to C). 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 systems capabilities to resolve problems on program intent, output requirements and input data acquisition. Innovate, design, develop and implement technologies, components, sub- systems, machines, tools and systems to ensure compliance to specifications, requirements and customer guarantees across applicable operating conditions. Ensure hardware and software standards are met. Ensure novel ideas and implementation are captured and protected using applications IP processes and tools. Provide technical leadership, training, and oversight. Qualifications You Must Have Must possess at least a bachelor’s degree or its equivalent in Computer Science, Electrical Engineering, Electronic Engineering or related field and at least 8 years of progressive experience as a Software Engineer or related role in the Aerospace, Defense, Automotive or Medical industries. In the alternative, at least a master’s degree or its equivalent in Computer Science, Electrical Engineering, Electronic Engineering or related field and at least 5 years of experience as a Software Engineer or related role in the Aerospace, Defense, Automotive or Medical industries would be acceptable. Must possess at least 5 years of experience with embedded C programming. Must possess at least 3 years of experience with leading teams of 10-20 people. Must possess at least 3 years of experience with industry standards for the full software engineering lifecycle of safety critical systems such as DO-178B/C. Must possess at least 3 years of experience with software development for Generator or Bus Power Control Units. 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! Power & Controls: We make modern flight possible for millions of travelers and our military every second. Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. Join us as we take flight! 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 $126,942.00 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 RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.