Manufacturing Intern

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

A Summer Experience. A Lifetime of Value.  

We’ll meet you where you are and help you go further. This summer, we’re committed to bringing early-in-career talent together, trusting you to own your work and help you level up through professional development, networking, and exposure to real-world projects.  

We’re doing things that matter. Our wire and cable power our world. Join us as an intern and we’ll help you move up and around Marmon’s 120+ companies as you grow your skills.

Join the Biggest Small Business You’ll Ever Find.  

Marmon Industrial Energy & Infrastructure (MIEI) works with six specialty wire, cable, and tubing solution manufacturing companies located throughout North America. We have over 100 years of innovative engineered solutions for critical, industrial, and commercial applications. As part of Marmon, you get the best of both worlds. The strength and stability that comes with being part of Berkshire Hathaway, plus the autonomy and opportunity that comes with working at one of our 120+ companies. 

As a Manufacturing Intern, you will gain hands-on experience working directly in our state-of-the-art manufacturing environment. You’ll assist in production processes, assembly, and quality checks, helping to ensure efficient and accurate operations. The internship offers exposure to equipment operation, workflow optimization, and cross-functional teamwork with departments such as Quality, Production Planning, and Engineering.

Throughout the internship, you will learn about manufacturing processes, gain experience with operational systems, and contribute to projects that improve production efficiency and quality. You will develop practical skills in problem-solving, process monitoring, and teamwork, while making meaningful contributions to the day-to-day operations of the facility.

• Currently entering Sophomore year or higher in a related program

• Basic computer literacy

• Strong attention to detail and willingness to follow instructions

• Ability to work safely in a manufacturing environment and adhere to PPE guidelines

• Strong communication and teamwork skills

• Basic problem-solving and critical-thinking abilities

• $21–$23 per hour, commensurate with relevant experience and educational background

• The internship will run for 12 weeks from May to August

• Temporary Part/Full Time, targeting 40 hours per week

• Exact start and end dates are flexible based on school schedules and the needs of the business

• This is a paid internship

This position is based in our manufacturing facility and involves working in a manufacturing environment/general exposure to a manufacturing environment. The environment may involve exposure to noise, temperature fluctuations, or other factors. Employees are required to abide by PPE guidelines when onsite.

• Regular walking, standing, and some sitting for extended periods

• May involve stooping, kneeling, or crouching

• May involve lifting or moving items up to 50 pounds

• Ability to operate and work around machinery safely

• Successful completion of a drug screening and a physical exam are required for this role

East Granby, Connecticut – Onsite

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to [email protected], and please be sure to include the title and the location of the position for which you are applying.