Accounting Internship - Summer 2026

FLINN SCIENTIFIC INC • Batavia, IL

89d • $16 - $17

About The Position

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.

Requirements

• 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.

Responsibilities

• 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.
• 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.
• 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.

Benefits

• 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.

What This Job Offers

• Career Level: Intern
• Education Level: Bachelor's degree
• Number of Employees: 251-500 employees