Accounts Payable Specialist

We are looking for an Accounts Payable Specialist to join a non-profit organization on a Contract basis in Seattle, Washington. This position focuses on maintaining accurate and timely payment processing while supporting financial controls, policy compliance, and vendor account management. The ideal candidate brings strong attention to detail, experience working in high-volume accounts payable environments, and the ability to collaborate effectively during month-end, year-end, and audit-related activities.Responsibilities:• Manage a large volume of payable transactions with a high level of accuracy and timeliness.• Match invoices against purchase orders and receiving records to confirm completeness and proper authorization before payment.• Examine incoming invoices for correct coding, required approvals, and alignment with internal financial policies.• Process employee reimbursement requests through Concur Expense and verify compliance with expense guidelines.• Use the Oracle Payables Module to enter, monitor, and maintain accounts payable records and transactions.• Assess vendor invoices for appropriate sales tax handling and flag items that require additional review.• Investigate and resolve billing discrepancies, vendor questions, and payment-related issues in coordination with internal teams.• Review contracts and supporting documents to confirm invoices are processed according to agreed terms and documentation standards.• Contribute to month-end close, fiscal year-end work, and audit preparation by organizing records and supporting reporting needs.• Elevate complex matters involving accounting treatment, tax questions, or policy interpretation to the appropriate stakeholders.