Mechanical Engineering Intern (summer 2026) (onsite)

Mechanical Engineering Intern

Collins Aerospace, an RTX company, is a world leader in advanced communication systems and is responsible for providing products to all branches of the US military. The Mission Systems Hardware Engineering Department is seeking a motivated and driven Engineering Intern to join our team in the Marlborough, MA location.

Are you up for a challenge? Mission Systems Engineering leads the mechanical and electrical hardware design, development, and production of DoD and Government Communications Systems. The department supports customers for Land, Sea, and Airborne Programs for our US military and various international customers, keeping the world safe from foreign threats. You will be exposed to exiting, meaningful, and technically challenging assignments within a growing business. Bring your skills and talent to help our products compete within an aggressive market!

As a Mechanical Engineering Intern, 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.

What You Will Do:

• 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:

• Requires a High School Diploma or equivalent and student must be pursuing a Bachelor’s or advanced degree in an applicable discipline.
• 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.

Qualifications We Prefer:

• Experience with PTC CREO CAD tool
• Technical experience through prior internships
• Prior leadership experience
• Proficiency in mechanical design CAD tools
• Proficient knowledge in use of Microsoft Office Products
• Good written and verbal communication skills
• Self-motivated and demonstrates history of working well in a team environment
• Strong interest in the mechanical design process

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

Apply now and be part of the team that's redefining aerospace, every day.