Accounting Internship - Summer 2026

Typical Day in the Life

As our Accounting Intern, you'll spend much of your day making outbound phone calls and sending emails to follow up on overdue customer invoices. You’ll research the right contacts, send supporting documents like invoices or purchase orders, and demonstrate professional persistence to help ensure payments are collected. In between calls, you’ll assist with tasks like updating customer records, processing small credits, and supporting account reconciliations—all while gaining valuable experience in a collaborative, supportive team environment.

What You’ll Do

As an Accounting Intern, you will assist members of our accounting team with a variety of tasks that help keep our financial systems accurate and up to date. You’ll receive training and guidance to help you succeed in the following areas:

Accounts Receivable & Collections

• Help prepare and send out mailings to customers with outstanding invoices.
• Make follow-up phone calls and send reminder emails to assist in collecting past-due payments.
• Gather and organize supporting documents such as invoices, purchase orders, delivery proofs, and statements.

Customer Account Support

• Assist with entering and managing customer EFT/ACH banking information.
• Help process small credit adjustments, including clearing customer account balances under $10.
• Follow up with customers to obtain missing sales tax exemption certificates and update their tax profiles in SharePoint.

General Accounting Support

• Assist with processing Fisher Scientific EDI (Electronic Data Interchange) credits.
• Help with general ledger reconciliations and account research.
• Investigate prepaid inventory transactions to ensure they are recorded correctly.
• Verify credit card payments in our internal system (FBS).
• Support clearing old outstanding checks and receipts from internal listings.

What We’re Looking For

• Currently pursuing a degree in Accounting, Finance, or related field.
• Strong attention to detail and organizational skills.
• Comfortable using Microsoft Excel and Outlook; experience with SharePoint is a plus.
• Good written and verbal communication skills.
• Willingness to learn, ask questions, and take initiative.
• Ability to work independently and as part of a team.

Why Join Us

• Gain real-world accounting experience in a mission-driven company.
• Receive mentoring from experienced professionals.
• Work on a variety of tasks that touch different parts of the accounting cycle.
• Make a meaningful contribution to an organization that supports K–12 education.

Formula for Success

At Flinn, we don’t just make science kits, we live science every day. Our Formula for Success is simple: stay curious like a Student, experiment like a Scientist, cheer each other on as an Advocate, and dream big like an Entrepreneur. This mix fuels our teamwork, sparks new ideas, and makes work feel like discovery. Because when science and culture collide, amazing things happen.