Software Engineering Intern (Summer 2027)

RTX; Tewksbury (MA); On-site; USD 37,000 - 82,000; Full time

Benefits offered by this job

Medical, dental, vision

Paid time off

401(k) match

Job summary

RTX seeks a Software Development Intern to design, implement, and execute tests for Patriot software in Tewksbury, MA. You will work with software developers, system architects, and product leads to meet customer requirements in a fast-paced environment.

The role requires pursuing a Bachelor’s or advanced degree, knowledge of testing methodologies, and the ability to obtain a U.S. Secret clearance; active clearance preferred. Onsite work and occasional light travel are expected.

Qualifications

• Knowledge of software testing methodologies (functional, integration, regression, performance).
• Experience in Validation, Verification, Requirements Analysis and/or Testing.
• Ability to obtain and maintain a U.S. government issued Secret security clearance; U.S. citizenship required.

Responsibilities

• Review Software Requirements to ensure clarity and testability.
• Write clear test objectives that guide testing.
• Design test cases (manual and automated) based on objectives.
• Execute test cases in on-site lab environment.
• Analyze test results and document discrepancies; data-intensive analysis.
• Collaborate with test engineers and developers for integrated software solutions.

Skills

Software Testing

Validation

Verification

Requirements Analysis

Test Automation

Education

Bachelor’s degree (in progress acceptable)

Tools

DOORS

Job description

Software Engineering Intern (Summer 2027)

Tewksbury, Massachusetts, United States

Aug 13, 2026

$37,000 - $82,000/year

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.

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.

This position requires the ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

_ As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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.

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RTX combines Collins Aerospace, Pratt & Whitney, and Raytheon to deliver innovative solutions in aerospace and defense, addressing complex challenges with cutting-technology.

Aviation and Aerospace Component Manufacturing Transportation Equipment Manufacturing Manufacturing

Company size 10,001+ employees

Company type Public company

Total funding $200K Grant

Momentum

Team growth

3% in 12 mo

144,215 employees on LinkedIn

Feb 22 May 26

Employee experience

What it’s like inside

3.6

8,451 reviews

72% would recommend

Culture & values

Culture & values 3.4

Work-life balance

Work-life balance 4.0

Career opportunities

Career opportunities 3.7

Compensation & benefits 3.6

Capital

Funding history

Footprint

Where they work

Arlington, VA, US

Apply For This Role

Company RTX

Location Tewksbury, Massachusetts, United States