Plastics Engineering Internship- Summer 2026

DEKA Research and Development, housed in Manchester, NH, has an exciting opportunity for a Plastics Engineering Intern to work in a dynamic R&D environment. In this role you will work alongside a group of passionate engineers to create innovative solutions that truly make a difference.

DEKA offers Internships and Co-Ops for full time students* (must be at least 18 years of age). Internships last a minimum of 10 weeks, but 12 weeks is preferred. All summer internships must start no later than June 15, 2026.

How you will make an impact as a Plastics Engineering Intern:

• Develop and document assembly processes
• Assist in part design reviews, material selection and general plastics research
• Assist in injection molding process development
• Design and improve manufacturing fixtures

To be successful in this role as a Plastics Engineering Intern, you will need the following skills and experience:

• Currently enrolled in an undergraduate or graduate Plastics Engineering program, materials science program, or related discipline with plastics engineering experience.
• In depth understanding of various plastic materials and rubbers, including medical grade materials
• Must have some practical experience with Plastic Molding. Examples are: Scientific injection molding experience, mold design experience, micro-molding experience, compression/transfer molding experience, LIM experience, familiarity with blow molding, familiarity with thermoforming techniques
• Knowledge of plastics assembly methods including ultrasonic welding, laser welding and bonding techniques preferred
• Demonstrated Problem Solving Skills
• Self-motivated & passionate
• Must have excellent verbal and written communication skills
• Must be highly motivated, focused on results and detail oriented
• Must be able to work in an open group environment

About DEKA:

One hour from the beach, Boston, and the mountains, the historic Amoskeag Millyard once housed the largest textile mills in the world. It is now home to DEKA Research & Development, where we are taking the same innovation and cutting-edge technology into the modern age.

Behind DEKA's brick walls sits a team of professionals who strive to make a difference every day through thoughtful engineering, design, and manufacturing. Here at DEKA, some of the most innovative and life-changing products of our time are created, and new ideas are always welcome and explored.

Additional Information:

*Applicants should be aware that short-term housing options in Manchester, NH are limited and that DEKA is not able to assist with housing.

Public transportation is available and routes/schedules can be found by visiting the Manchester Transit Authority website, www.mtabus.org.

Please be aware that we try to make sure that our internship opportunities are well defined and will provide a unique experience. We understand that most candidates would like to know if they have a placement as soon as possible, but at DEKA it takes more time than other companies at we review every application that is submitted. We will try to let you know as soon as we can, but encourage you to pursue other opportunities as well.

*A full time student is defined as being enrolled in a minimum of 12 credits per semester at an undergraduate program, or a minimum of 9 credits per semester for a graduate program.