Sr Accounts Payable Specialist - Five9

Key Responsibilities:

• Independently process complex and high-volume vendor invoices in NetSuite and/or Coupa, ensuring accuracy, compliance, and timely payment
• Serve as a subject matter expert (SME) for AP and T&E processes, systems, and policies
• Review, reconcile, and resolve vendor statements and discrepancies, including escalated or aged items
• Oversee employee expense reports in Expensify, auditing receipts for compliance with T&E and Delegation of Authority (DOA) policies
• Own AP readiness for month-end close, ensuring transactions are complete, accurate, and properly accrued
• Support quarterly and year-end audits, including preparation of schedules, documentation, and auditor responses
• Ensure strict adherence to SOX controls, internal policies, and regulatory requirements
• Proactively identify control gaps or compliance risks and recommend corrective actions
• Lead vendor onboarding, updates, and maintenance of supplier master data
• Partner closely with Procurement, Payroll, FP&A, and U.S. Finance teams to resolve system or process issues
• Communicate clearly and professionally with employees at all levels regarding expense compliance and requirements
• Escalate repeat non-compliance with clear documentation and recommendations for management review
• Identify inefficiencies and drive process improvements across AP and T&E workflows
• Support system enhancements, testing, and adoption (NetSuite, Coupa, Expensify)
• Assist with training, cross-training, and mentoring of junior AP team members
• Provide backup coverage for critical AP functions and support special