Software Engineering Intern (Summer 2027)

Date Posted: 2026-10-08 Country: United States of America Location: US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVIS 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 looking for an software Intern to join our software development team in Sterling, VA. Our Software Engineers work in an exciting, adaptive, and engaging environment enabling rapid learning to drive success. This position will support the shaping of high-fidelity Simulation & Modelling efforts for enablement of NC3 Mission-System Integration and Crew Training for the armed forces. This position is located onsite in Sterling, VA. You will team up with a high-performance software team to support development of Aircraft Simulation Models for a Mission Crew Training Device. You will collaborate with fellow Software Engineers, Scrum Masters, Product Owners, Software Architects, and other teams to drive software product maturity. You will be responsible for producing high-quality Mission Simulation software, validation tests, and documentation. You will participate in peer reviews for software engineering artifacts What You Will Learn You will have the opportunity to gain valuable experience in a professional software development environment. You will learn and grow knowledge of Simulation concepts, design, & implementation. You will build application-specific knowledge in Communication Systems and its usage by end users in the armed forces You will gain experience working with & alongside intricate Mission Systems for a critical defense platform. You will gain familiarity with DevOps processes and tools such as CI/CD pipelines, development containers, and deployment frameworks. You will gain valuable experience to help evolve your career towards become a subject matter expert. 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. Requires strong foundation in C++ programming language. Requires experience with the Python programming language. Experience may be obtained through on-the-job experience, research, coursework, or projects. Qualifications We Prefer Experience working within an Agile framework. Knowledge in Microservices, containers, and orchestrators. Experience working with Gitlab DevOps platform. Understanding of Radio Frequency (RF) Communications Concepts. Knowledge of the CI/CD software development process. Experience in Software Simulation. 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, if eligible 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 42,000 USD - 88,000 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. 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.