Mechanical Engineer Intern - MA&T (Summer 2027)

About this role

Date Posted: 2026-08-11

 Country: United States of America

 Location: US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1

 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.

The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products.  From preliminary concepts to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental & empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions.

As an intern in the Analysis and Test Department, you will be working one on one with a senior engineer, tackling structural and thermal analysis tasks that will give you a great hands-on learning experience. You will be responsible for performing the analyses/tests, getting the results peer-reviewed, and documenting the results in a report. You will finish your internship with the satisfaction of knowing you contributed to the success of the Analysis and Test Department, as well as Raytheon in general!

What You Will Do • Perform hand calculations and determine requirements for higher order detailed analysis • Perform detailed structural/thermal analyses to solve challenging problems • Perform peer reviews of all analysis to validate process and results • Deliver results to customers • Generate detailed, archival technical reports

What You Will Learn • How to work as part of an Integrated Product Team, collaborating with other engineering disciplines to solve challenging technical problems for our customers • How thermal engineering is conducted in an innovative industry setting, through comprehensive department-sponsored training and mentoring from senior staff

Qualifications You Must Have   • Must be pursuing Bachelor’s or Advanced degree in Mechanical or related (STEM) major and actively enrolled through the completion of the internship/co-op session.

• Experience with engineering Finite Element Analysis tools and software

• Experience with ANSYS Workbench, Patran, Nastran and/or Thermal Desktop

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

Qualifications We Prefer • Experience with Microsoft Office programs: Word, Excel, Outlook, PowerPoint • Demonstrated experience working effectively with coworkers from various communities, cultures, work experience and conflict resolution styles • Experience utilizing CAD (Computer Aided Design) tools such as CREO • Experience with problem solving using data-driven approaches

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

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: • 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

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