Senior Principal Software Engineer

Date Posted: 2026-08-18 Country: United States of America Location: US-NC-WINSTON SALEM-175 ~ 175 Oak Plaza Blvd ~ BLDG 175 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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. 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. At Collins Aerospace, our Interiors team is focused on innovation, safety and cost efficiency. But we don’t just get people from point A to point B. We’re committed to making air travel more comfortable, connected and secure. As a leader in aviation interior products and services, we’re helping airlines and original equipment manufacturers create a positive experience for their customers. With offices and manufacturing facilities in more than 12 states across the U.S. and more than 10 countries around the globe, we’re changing the game of aircraft interiors. And we're looking for a Senior Principal Software Engineer to help develop the next generation of aircraft seating.

This an onsite position that can be based in either Winston Salem, North Carolina or Jamestown, North Dakota.

What You Will Do:

• Serve as technical leader for cargo software team, aligning efforts across engineering teams to ensure completion of capabilities within project lifecycle.
• Coordinate with Systems Engineers to develop, mature and update software requirements.
• Identify and manage technical risks and dependencies and ensure seamless program execution.
• Support risk and opportunity management, schedule adherence, and cost control to meet program deliverables and financial objectives.
• Contribute to the design and development of a Systems/Software architecture for the aircraft Cargo System.

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience.
• 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.
• Experience in Software Engineering to include experience working various phases of the software development lifecycle.
• Experience working in a collaborative team environment that requires communication with other engineering disciplines, Program, and external stakeholders.
• Mentoring experience with junior engineers.
• Experience with Software Development Using C/C++.
• Experience with DO-178 and Software Certification Qualifications.

Qualifications We Prefer:

• Understanding of standard system engineering design artifacts
• Experience with Agile lifecycle process including Scrum, Continuous Integration, and Test-Driven Development Methodologies
• Experience with DevOps and automated testing
• Experience with Model Driven Development
• Experience with software integration on custom hardware

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
• 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!

Please ensure the role type defined below is appropriate for your needs before applying to this role.

This position is classified as:

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.

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 132,400 USD - 251,600 USD. 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. 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:

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.