Software Engineering Intern (Summer 2027)

Date Posted:

2026-08-13

Country:

United States of America

Location:

US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord

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:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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.

We are seeking a skilled and detail-oriented Software Development Intern to design, implement, and execute tests as part of our Patriot Software Team in Tewksbury, Massachusetts.  Patriot is the world's pre-eminent air defense system, and we are currently developing software in support of new system capabilities. In this role, you will work closely with software developers, system architects, and product leads to ensure that the solutions we deliver meet our customers’ requirements. You’ll have the opportunity to work in a dynamic, fast-paced environment where your contributions will have a direct impact on the success of our products around the world.

What You Will Do 

• Review Software Requirements: Analyze and understand software requirements to ensure clarity and testability. 

• Write Test Objectives: Develop clear and concise test objectives that guide the testing process and ensure comprehensive coverage. 

• Design Test Cases: Create innovative and effective test cases, both manual and automated, based on test objectives. 

• Execute Test Cases: Conduct thorough testing of new and modified software in our on-site lab environment. 

• Data Analysis: Analyze test results in relation to specified requirements and clearly document any discrepancies.  Analysis is primarily manual and data-intensive.

• Collaboration: Work closely with other test engineers and developers to ensure seamless integration and functionality of software products. 

• This position requires onsite presence and extensive interaction with other groups including Systems Design engineering and the Software Development Tea

• Light travel may be required. 

• Off hours testing (2nd or 3rd shift) occasionally may also be required.  

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.

• Knowledge of software testing methodologies (functional, integration, regression, performance, etc.) and best practices

• Experience in Validation, Verification, Requirements Analysis and/or Testing.

• The ability to obtain and maintain a U.S. government issued Secret security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. 

Qualifications We Prefer 

• Active Secret security clearance. 

• Experience with DOORS (Dynamic Object-Oriented Requirements System) or other requirements traceability tool.

• Experience with bug tracking and test management tools.

• Exceptional attention to detail to identify and document any anomalies or inconsistencies in software performance. 

• Strong analytical and problem-solving skills to effectively diagnose and address issues. 

• Strong written and verbal communication skills to effectively report defects, progress, and test results to stakeholders.

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. T