Kforce has a client that is seeking a Senior Accounts Payable Specialist in New York, NY. Summary: We are conducting a confidential search on behalf of a well-established nonprofit organization that serves diverse communities with integrity and purpose. This mission-driven organization is seeking a Senior Accounts Payable Specialist to lead and enhance their AP function, ensuring accurate, timely, and compliant financial operations. Key Responsibilities: * Lead full-cycle AP process: invoice intake, coding, validation, approval workflows, and payment processing * Manage weekly disbursements, reimbursements, stipends, and payroll check processing * Maintain accurate vendor records, including 1099 subcontractors and inter-entity allocation setups * Support issue resolution and vendor inquiries with professionalism and timeliness * Oversee vendor onboarding and ensure contract and tax compliance * Train and supervise junior AP staff * Assist in redesigning workflows, standard operating procedures, and team performance metrics * Uphold internal controls and ensure compliance with IRS, GAAP, and grantor (federal/foundation) guidelines * Maintain alignment of AP practices with organizational policies and regulatory requirements * Contribute to month-end and year-end close, focusing on AP accruals and reconciliation * Partner with Staff Accountants to tie AP subledger activity to general ledger * Strengthen internal controls for AP accuracy and approval compliance * Lead process improvement and automation efforts to increase efficiency and accuracy * Oversee digital recordkeeping through AP systems and shared portals * Maintain proper documentation standards and naming conventions