Software Engineering Intern (Summer 2027)

RTX is hiring a Software Engineering Intern (Summer 2027) in McKinney, Texas, USA (on-site). When: Summer 2027. Pay stated by the employer: $37,000-$82,000/yr. Posted November 11, 2026. Eligibility: US citizenship required. Checked against the employer's posting on November 12, 2026.

Date Posted: 2026-11-11 Country: United States of America

 Location: US-TX-MCKINNEY-513WB 2501 W University Dr WING B BLDG

 Position Role Type: Onsite

 U.

S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.

​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

 Security Clearance Type: DoD Clearance: Secret

 Security Clearance Status: Active and existing security clearance required after day 1 Are you ready to explore the world of aerospace and defense?

Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world.

Discover opportunities to make a difference at RTX. What You Will Do 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.

• You will help develop cutting-edge embedded software, networking and communication products for defense systems • You will assist in debugging and troubleshooting software issues in a collaborative environment • You will work closely with cross-functional teams including hardware engineers, systems engineers, and other software engineering teams What You Will Learn •  You will have the opportunity to work with modern programming languages such as Python, C++, or Rust • You will gain hands-on experience in Agile development while working as part of a software engineering team • You will learn to work with version control systems like Git for effective code management and collaboration • You will have the opportunity to engage in code reviews and learn from experienced software engineers Qualifications You Must Have • Must be pursuing a Bachelor's or advanced degree in Software Engineering, Computer Engineering, Computer Science or related Science, Technology, Engineering, or Mathematics (STEM) major and actively enrolled through the completion of the internship/co-op session.

• Must have a minimum of 60 hours of credit by the start of the internship • Exposure to Rust, C++, Python or C Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer • Coursework relating to software development • Exposure to Linux • Exposure to Multi-Threaded or Real-Time Software • Prior RTX internship, co-op, or work experience What We Offer • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world.

At RTX, we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. • Relocation Eligibility Learn More & Apply Now! Please consider the following role type definition as you apply for this role.

• 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.

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 37,000 USD - 82,000 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.