Accounts Payable Specialist Job in Seattle, WA | Robert Half

Accounts Payable SpecialistWe are looking for an Accounts Payable Specialist to join a busy accounting team on a contract basis. This role is ideal for a detail-focused individual who can manage high invoice volume, maintain accurate financial records, and support day-to-day payables activity with consistency and sound judgment. The position offers the opportunity to contribute across accounts payable, general ledger support, and broader accounting operations in a fast-moving environment.Responsibilities:Oversee the full invoice cycle by entering, coding, and posting vendor bills to the general ledger while maintaining accuracy and meeting payment timelines.Compare supplier invoices with purchase orders, receiving records, and related backup to confirm proper documentation and resolve mismatches.Track outstanding purchase orders, receipts, and vendor statements, and follow through on discrepancies to keep accounts current.Handle a mix of payable transactions, including purchase order and non-purchase order invoices, employee expense reimbursements, freight, fuel, inventory costs, and aviation-related charges.Maintain vendor master data, assist with new supplier setup, and support documentation needed for credit and payment processing.Coordinate payment activity by preparing check runs, ACH transactions, and wire payments, while preserving complete support files and audit-ready records.Record and reconcile disbursements made through checks, electronic payments, wires, and company credit cards to ensure clean accounting entries.Prepare Positive Pay files for bank submission and investigate any payment exceptions or outstanding items such as unapplied cash or uncashed checks.Support year-end and audit activities, including 1099 preparation, document retention, physical inventory participation, and process improvement efforts using Excel and accounting systems.