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Senior Accounts Payable Specialist

FssiSanta Ana, CAMay 12th, 2026
Senior Accounts Payable Specialist Opening its doors over 45 years ago, FSSI is a leading document outsourcing company servicing Fortune 500 companies in the financial, banking, insurance and billing industries across the U.S. We are currently looking for a Senior Accounts Payable Specialist to manage all outgoing payments, processing invoices, maintaining vendor relationships, and ensuring timely payments to vendors while maintaining positive vendor relationships. This role requires full-time, onsite presence, Monday through Friday, at our Santa Ana, CA location. Your essential duties include: Ensuring thorough review of invoices and payments for accuracy and completeness. Reviewing and updating processes for proper handling and coding of invoices to maintain general ledger expense account and inventory records. Reviewing and verifying Purchase Orders and supporting documentation to ensure accuracy in coding. Reconciling accounts payable aging report to general ledger balances. Ensuring purchase orders related to purchases made exclusively for Customers are submitted to billing team in a timely manner. Assisting with preparing correct and timely budget reports and purchase journals. Participating in the recordkeeping of purchases for use in tax preparation and periodic audits. Ensuring W9s have been collected from all vendors prior to paying vendors and to ensure accurate and timely preparation of year-end 1099s. Assisting Staff Accountant team with accounting reconciliations as needed. Preparing daily, weekly, and monthly reports and assisting with month-end closing tasks. Ensuring proper maintenance, filing, and storage of records to assist in audits. Performing other related duties as assigned.