Accounts Receivable; AR Clerk

Accounts Receivable (AR) Clerk

Integrated Medical Systems, Inc. (IMS), founded in 1994, is one of the nation’s top distributors within the alternate site market. We strive to continually exceed expectations by cultivating valued partnerships and delivering on our commitment to always put our customers first. IMS offers a vast line of medical disposables and biomedical services specific to Home Infusion, Specialty Pharmacy, Oncology, Long Term Care and Respiratory.

People at IMS are innovative, dedicated, and experienced to enhance our customer’s experience from start to finish. By joining us, not only will you be working alongside industry experts and thought leaders, but also with a company recognized for its dedication to employee growth and well-being.

Integrated Medical Systems is seeking an Accounts Receivable (AR) Clerk to support our finance operations at our Bolingbrook location. In this role, you will be responsible for processing and posting customer payments, managing outstanding receivables, and ensuring invoices are collected timely and accurately. You will work closely with internal teams and customers to verify transaction details, resolve discrepancies, and support day-to-day accounts receivable activities.

This is an entry-level role ideal for someone who is organized, detail-oriented, and interested in building a career in accounts receivable. We are a collaborative, team-oriented organization, and we’re looking for someone who is dependable, responsive, and takes pride in their work while effectively managing multiple tasks in a fast-paced environment.

• Minimum of 1–2 years’ experience in Accounts Receivable
• Strong attention to detail and organization
• Basic computer skills, including Microsoft Excel and Google Workspace
• Ability to follow processes and meet deadlines
• Strong communication skills

• Prior experience in Epicor P21 or other large ERP system
• Prior experience in AR, data entry, or administrative support

This role helps ensure customer invoices are collected accurately and on time, supporting healthy cash flow and smooth day-to-day operations across the company.

• Post and apply customer payments accurately and in a timely manner
• Review customer account statements and flag outstanding balances or discrepancies
• Communicate with customers to follow up on past-due accounts
• Maintain organized records of receivables and supporting documentation
• Respond to customer inquiries regarding invoices and payment status
• Support the team with account reconciliations and other tasks as needed
• Set up new customers within our ERP, Epicor P21

• Paid time off
• 401(k) w/ matching
• Dental insurance
• Health insurance with 100% of premiums covered for IMS employees
• Vision insurance
• Employee Wellness Program through Revive Health