Accounts Payable Specialist

The Accounts Payable Specialist supports Express Employment International's financial integrity by efficiently processing high-volume accounts payable transactions across U.S. and Canadian entities. This role ensures accurate, timely, and compliant invoice handling, payment execution, and vendor communications while maintaining complete, audit-ready records. By proactively resolving discrepancies, upholding internal controls, and delivering reliable service to internal teams and external vendors, the specialist contributes to smooth cash flow management, strong supplier relationships, and overall financial accuracy.

This position sits within our Oklahoma City based corporate office, currently with an expectation to be onsite 80% of the time.

RESPONSIBILITIES

* Process high-volume accounts payable transactions for U.S. and Canadian entities, ensuring accuracy, timeliness, and strict compliance with company policies and accounting standards

* Review, accurately code, and enter both PO-matched and non-PO invoices in alignment with established general ledger accounts, cost centers, and approval protocols

* Conduct three-way matching for PO invoices against purchase orders and receiving records; investigate and resolve discrepancies in quantity, pricing, terms, or receipts in partnership with the Purchasing team

* Verify proper approvals, correct coding, and complete supporting documentation for non-PO invoices prior to payment processing.

* Prepare and execute payments through ACH, wire transfers, electronic funds transfers, and scheduled check runs, while prioritizing early-payment discounts and favorable vendor terms

* Maintain up-to-date vendor master files, including W-9 documentation, backup records, and audit-ready files to support compliance and efficient reporting

* Monitor AP email inboxes daily and respond promptly and professionally to vendor inquiries, payment status requests, and internal team questions

* Research and resolve invoice discrepancies, missing documentation, payment holds, and related issues to reduce aging and foster positive vendor relationships

* Ensure full adherence to internal controls, company approval workflows, cross-border requirements, and relevant regulatory standards (including SOX where applicable)

* Collaborate closely with Purchasing, Receiving, Finance, and other departments to facilitate smooth invoice approval, exception resolution, and timely payment cycles

* Handle all confidential financial and vendor information with the highest level of discretion, integrity, and professionalism

* Collect, track, and maintain vendor tax documentation and assist with the preparation and filing of annual forms in compliance with IRS guidelines

* Perform additional accounts payable duties as assigned to support department operations and team needs

EDUCATION & EXPERIENCE QUALIFICATIONS

* High school diploma or equivalent required;
Associate degree (or higher) in Accounting, Finance, Business Administration, or related field preferred

* 1- 3 years' experience in accounts payable or a related accounting/financial role

* Proven ability to process high-volume accounts payable transactions, including PO-matched and non-PO workflows (e.g., three-way matching, coding, and discrepancy resolution)

* Exposure to multi-entity or multi-currency accounts payable processes (U.S. and Canada)

* Experience with travel and expense management systems

KNOWLEDGE, SKILLS, OR ABILITIES

* Proficiency in Microsoft Office Suite (especially Excel) and general computer systems, including familiarity with accounting/ERP software

* Solid understanding of basic accounting principles, accounts payable processes, and standard workflows (e.g., invoice processing, matching, and payment execution)

* Familiarity with vendor tax documentation (e.g., W-9s) and annual 1099 preparation/processing

* Exceptional attention to detail with a proven ability to maintain high levels of accuracy in high-volume transaction environments

* Strong ability to handle confidential and sensitive financial information with discretion, integrity, and professionalism

* Excellent verbal and written communication skills, along with strong customer…