Software Engineering Intern (Summer/Fall 2027)

Prattwhitney; Cedar Rapids (IA); On-site; USD 37,000 - 82,000; Full time

Job summary

RTX is offering a full-time co-op in Cedar Rapids focused on Mission Engineering / Operational Analysis. You will work with a team to build high‑fidelity simulations that support military system analyses and provide tangible demonstrations of capabilities to customers.

The role emphasizes collaboration, mentorship, and hands‑on development with C/C++ and Python, using tools like JIRA, Git, SVN, Docker and Doxygen. Onsite in Cedar Rapids, IA.

Qualifications

• Pursuing BS/MS in Software Engineering or Computer Science and enrolled through the internship/co-op.
• Must have a minimum of 60 credit hours by internship start, can be from coursework or projects.
• Experience via coursework, projects, or on‑the‑job experience.

Responsibilities

• Develop modeling and simulation capabilities for ME/OA projects.
• Create engineering code artifacts and project documentation.
• Collaborate with full‑time team members to showcase progress and impact.

Skills

C/C++

Python

Education

Bachelor's or Advanced degree in Software Engineering or Computer Science

Tools

JIRA

Git

SVN

Docker

Doxygen

AFSIM

DevSecOps tools

Job description

Date Posted: 2026-09-08 Country: United States of America Location: US-IA-CEDAR RAPIDS-179 ~ 855 35Th St NE ~ BLDG 179 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

Immerse yourself in a full-time, Monday-Friday co-op session, that will run May/June- December (including the Fall semester; it is expected students will take a semester off from coursework to fully engage with this working mentorship opportunity). We are seeking an intern to join our Mission Engineering / Operational Analysis (ME/OA) team and be a part of enabling new and novel solutions for the Connected Battlespace. On this team, interns work alongside full‑time team members to develop modeling and simulation capabilities. These capabilities support analysis of our architectures and solutions against the real operational needs of our military customers. Imagine being able to use high fidelity simulations to show the customer how our solutions can make their operations in the field more efficient and effective — that is what we do! This position is onsite, in Cedar Rapids, Iowa. Engage as part of the team in the development of modeling and simulation capabilities for our ME/OA projects. Create engineering code artifacts and documentation for the project. Help demonstrate progress on the work at showcase opportunities. Help grow the team and create the biggest impact for our customers by bringing own unique perspective and skills to the development.

Qualifications You Must Have

Must be pursuing Bachelor’s or Advanced degree in Software Engineering or Computer Science 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 / co-op session. Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer Experience with the following

Experience with the following: C/C++ and Python, tools such as JIRA, Git, Subversion (SVN), Docker, Doxygen. Advanced Framework for Simulation, Integration and Modeling (AFSIM). Familiarity with DevSecOps tools and techniques. Experience in concepts such as CONOPS, system tradeoffs, threat definitions, and system‑of‑system assessments and with simulation, integration and testing.

Qualifications We Prefer Prior RTX internship, co‑op, or work experience

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: Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation Eligibility

Relocation Eligibility. 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.

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.