Mechanical Engineering Intern (Summer 2027)

Prattwhitney; Sudbury (MA); On-site; USD 37,000 - 82,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

401(k) match

Flexible schedules

Paid time off

Holidays

Employee Scholar Program

Parental leave

Job summary

RTX invites engineering students and graduates to join Collins Aerospace for a Mechanical Engineering internship/co-op. You will work on multidisciplinary teams developing next-generation components, performing CAD-based design, and supporting electronics packaging for communications systems.

You will gain hands-on experience in thermal and structural analyses, documentation, and production readiness while collaborating with hardware and software engineers to deliver robust solutions.

Qualifications

• Pursuing Bachelor’s or Advanced degree in Mechanical or Aerospace Engineering.
• Experience with CAD software (SolidWorks, Creo, Catia, NX, AutoCAD, Fusion 360) or equivalent.
• Strong teamwork and problem-solving skills.
• Exposure to design, analysis, and documentation processes is a plus.

Responsibilities

• 3D CAD modelling and detailed design of components and assemblies.
• Electronics packaging with component selection and evaluation.
• Thermal or structural analysis and performance troubleshooting.
• Generation and updating of drawings and documentation for production.

Skills

CAD experience

Team collaboration

Education

Bachelor’s or Advanced degree in Mechanical or Aerospace Engineering

Tools

SolidWorks

PTC Creo

CATIA

NX

AutoCAD

Fusion 360

Microsoft Office

Job description

Date Posted: 2026-11-02

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.

What You Will Do

As a Mechanical Engineering Intern at Collins Aerospace, you will be a member of a multi‑disciplinary Integrated Program Team (IPT) consisting of System, Hardware and Software Engineers. Your work can support development of next generation systems, design enhancements, upgrades for existing products, and transition to production efforts. Product areas can include circuit card assemblies, electronic packages, and reflector‑type antennas for communications systems.

• 3D Computer Aided Design (CAD) modelling
• Electronics packaging with electrical component selection and evaluation
• Thermal, structural, or other analysis work
• Detailed design of components and assemblies
• Generation and update of drawings and documentation
• Procurement and production support
• Test and Evaluation

What You Will Learn

• Mechanical and hardware engineering processes
• Laboratory or production integration
• Resolution of hardware performance or design issues
• System qualification test and troubleshooting

Qualifications You Must Have

Must be pursuing Bachelor’s or Advanced degree in Mechanical Engineering or Aerospace Engineering and actively enrolled through the completion of the internship/co‑op session.

Experience with computer aided design (CAD) software such as SolidWorks, PTC Creo, Catia, NX, AutoCAD, Fusion 360, or equivalent. Experience may be obtained through on‑the‑job experience, research, coursework, or projects.

Qualifications We Prefer

• Experience with PTC CREO CAD tool
• Technical experience through prior internships, prior leadership experience and working in a team environment
• Experience with Microsoft Office (Excel, Word, and/or PowerPoint)
• Experience with the mechanical design and build process
• A minimum of 60 hours of credit by the start of the internship / co‑op session

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation Eligibility

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.

• 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
• 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 also 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.