Software Engineer Intern Summer 2027

Date Posted: 2026-09-08 Country: United States of America Location: US-IA-CEDAR RAPIDS-130 5350 C Ave NE BLDG 130 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. 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 on 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: Active and transferable SECRET clearance is required prior to start date U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance The Secure Product Solutions (SPS) department is responsible for the design, test and certification of secure mission computers, cross domain technologies, and cryptographic products which equip our warfighters to thrive in today's multi-domain battlespace. Our department collaborates with portfolio teams across the organization to help capture new business and create security solutions that address our customers' demanding needs. The Software Based Cross-Domain Solution within the SPS department is responsible for the development of an application that enables secure transition of data across security levels. The team is looking for a Software Engineer Intern to learn & help expand our CDS capabilities. Collaborate on System Requirements and Software Development by defining system requirements and translating them into detailed software requirements, UML/SysML models, and diagrams for a large-scale program Work closely with other software engineers and team members to ensure clear communication and collaboration, fostering a cohesive, solution-focused environment across multiple disciplines Collaborate with your team to maintain, enhance, and develop software that aligns with customer requirements and meets certification standards, ensuring both functionality and compliance Take responsibility for producing high-quality software implementations and integrating them within testing environments, ensuring the code is thoroughly tested and meets all specified requirements Qualifications You Must Have: Must be pursuing a Bachelor's or Advanced degree in an applicable discipline and actively enrolled through completion of the internship / co-op session. Must have a minimum of 60 hours of credit by the start of the internship / co-op session. Experience with development tool sets, for example, Jira, Subversion/Git/Version Management Comfortable working with C, C++, Rust Security focused mindset Qualifications We Prefer: Experience with requirements analysis and requirements decomposition Experience working with embedded software Experience with virtualization Knowledge of microservices, containers and orchestrators Knowledge and/or experience with memory-safe applications (Ada or Rust) Experience with automated test environments (Python) Knowledge on DevSecOps and CI/CD Experience in Graphical User Interfaces with Java React framework, or similar frameworks like Swing or JavaFX Knowledge and Data Format Description Language (DFDL) Experience integrating/deploying software to hardware solution What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligible Learn More & Apply Now! Please consider the following role type definition as you apply for this role. 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX