Finance 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.

What You’ll Do:

As a Finance Intern, you will gain hands-on experience working within our finance and accounting team, contributing to key projects that support reporting requirements, monthly close activities, and process automation initiatives. This internship provides an excellent opportunity to apply your classroom knowledge to real-world accounting functions in a manufacturing environment.

You’ll assist in preparing and reviewing account reconciliations, performing data analytics, and supporting month-end close responsibilities. You’ll also play a role in our ongoing automation and process improvement projects—validating data accuracy, verifying system functionality, and helping ensure a smooth transition to more efficient financial operations.

Throughout this experience, you will gain exposure to enterprise resource planning (ERP) and financial management systems, learn GAAP-compliant accounting practices, and develop your analytical and technical skills while working closely with experienced finance professionals.

This internship will give you valuable insight into how a finance department operates within a large industrial organization, while helping you build foundational skills for a future career in accounting or finance.

What You’ll Need:

• Currently pursuing a Bachelor’s degree in Accounting, Finance, Business Administration, or a related field

• Proficiency in Microsoft Office Suite, with mid-level Excel and Outlook skills

• Familiarity with GAAP (Generally Accepted Accounting Principles)

• Strong attention to detail, accuracy, and organizational skills

• Ability to work independently and collaboratively within a team environment

• Entering Sophomore year or higher

Compensation:

• $20–$24 per hour, commensurate with relevant experience and educational background

Work Hours/Length of Program:

• 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

Working Conditions and Physical Demands:

This position is based in an office environment.

• Standard full-time hours at a desk or workstation

• Frequent computer use for data entry, reporting, and analysis

• Minimal lifting required

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

Location:

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 careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.