This Accounts Receivable Administrator role involves ensuring timely and accurate invoicing of customers, including those using supplier portals and other special billing requirements. The administrator will follow up on past-due invoices, maintain up-to-date customer account records, and resolve billing issues. They will also process cash applications, handle customer payments, and work with customers to transition to electronic payment methods. This role acts as a point of contact for customers with payment concerns and supports AR processes for new subsidiaries during mergers and acquisitions.