Systems Engineering Intern (Summer 2027)

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

Job summary

RTX in Massachusetts is seeking a Systems Engineering Intern for Summer 2027. The role is onsite in Tewksbury/Marlborough with responsibilities spanning requirements, interfaces, testing, and data analysis to ensure robust system performance.

The intern will collaborate with cross‑functional teams, develop integration plans, and present findings. Candidates must be pursuing a STEM degree, have at least 30 credit hours, and be eligible for DoD/SECRET level clearance where required.

Qualifications

• Must be pursuing Bachelor’s or Advanced degree in STEM and enrolled through the internship/co‑op session.
• Must have a minimum of 30 hours of credit by the start of the internship/co‑op session.
• Experience with systems software, systems hardware, systems requirements, systems integration, and/or systems test.

Responsibilities

• Update, develop, maintain, and improve requirements, concepts of operations, and define system interfaces.
• Develop and implement test plans, procedures, integration, and verification documentation in simulated and real environments.
• Identify and resolve hardware, software, and system issues through data analysis and debugging.
• Collaborate across functions to drive performance improvements and resolve system issues.
• Integrate hardware and software into tactical systems and evaluate functionality.
• Conduct trade studies and present results to stakeholders.
• Develop integration documentation and communicate results to leadership.

Skills

Systems software

Systems hardware

Systems requirements

Systems integration

Systems test

Education

Bachelor’s or Advanced degree in STEM

Tools

DOORS

Rhapsody

Cameo

MATLAB

Job description

Systems Engineering Intern (Summer 2027)

Tewksbury, Massachusetts, United States

Aug 14, 2026

$37,000 - $82,000/year

Date Posted:

2026-08-14

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

This requisition is for an RTX intern returning for an internship in 2027

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.

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world‑class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

The Systems Engineering and Test Capabilities (SETC) Engineering Discipline is an exciting and challenging environment where you will have the opportunity to design, develop and test to shape innovative solutions for our customers. Join our organization and experience the Systems V engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, chief engineers, chief technologists, the customer, and so many more to ensure we design, integrate, test and strengthen our systems to work the first time and every time for our warfighters!

In this role, you will have the opportunity to work on an effectors project pertinent to the systems lifecycle. This role is 100% on‑site at our campus in either Marlborough, MA or Tewksbury, MA

What You Will Do

• In this role, you will support the following types of activities:
• Core Systems Engineering: Update, develop, maintain, and improve requirements, concepts of operations, and define system interfaces.
• Testing Efforts: Develop and implement test plans, procedures, integration, and verification documentation in both simulated and real‑world environments and perform/execute the testing
• Troubleshoot and Analyze: Identify and resolve hardware, software, and system issues through detailed data analysis and debugging.
• Drive Performance: Collaborate across functions to drive performance improvements and resolve system issues.
• Integrate Systems: Integrate hardware and software into tactical systems, evaluating their functionality and impact.
• Decision analysis & Resolution: Conduct trade studies and present results to stakeholders.
• Collaborate and work with disciplinary team to achieve seamless and system functionality.
• Document and Communicate: Develop integration documentation, execute plans, analyze data, verify requirements and effectively communicate results to leadership and stakeholders.
• Perform Data Analysis: Conduct statistical and numerical analysis test data to ensure optimal system performance and verify requirements.
• Present Findings: Present technical findings and solutions to leadership and customers.
• Support Missions: Travel as needed to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations.

Qualifications You Must Have

• Must be pursuing Bachelor’s or Advanced degree in Science, Technology, Engineering or Mathematics (STEM) and actively enrolled through the completion of the internship/co‑op session.
• Must have a minimum of 30 hours of credit by the start of the internship / co‑op session.
• Experience with systems software, systems hardware, systems requirements, systems integration, and/or systems test.

Experience may be obtained through on‑job experience, research, coursework, or projects.

Qualifications We Prefer

• Experience in the Defense Industry, and specifically with military systems; tactics, techniques, and procedures, as well as Department of Defense customer infrastructure experience.
• Experience with DOORS, Rhapsody, Cameo, or other digital engineering tools.
• Experience with model-based engineering and associated tools
• Experience in developing and managing requirements.
• Experience developing both scripts and functions with MATLAB.

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.

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.

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‑edge 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

Momentum 3% in 12 mo

144,215 employees on LinkedIn

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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