Accounts Payable Specialist

Five9 is seeking a dependable and detail-oriented Accounts Payable / T&E Specialist to join our global finance team. This outsourced role will support critical day-to-day operations in vendor payments and employee expense processing. The ideal candidate is organized, proactive, and skilled in handling high-volume transactions while maintaining exceptional communication with vendors and internal stakeholders.

This highly visible role requires collaboration across departments, precision in transactional processing, and adherence to internal controls and compliance requirements. You will be instrumental in ensuring timely and accurate payment cycles and employee expense support.

Key Responsibilities:

• Process vendor invoices in NetSuite and/or Coupa, ensuring proper coding, approvals, and timely payments


• Review and reconcile vendor statements; resolve discrepancies and vendor inquiries


• Support month-end close by ensuring all AP transactions are posted accurately and on time


• Review and process employee expense reports in Expensify; ensure compliance with T&E policy


• Audit 1,000+ receipts monthly for compliance with Delegation of Authority (DOA) and T&E policies


• Maintain accurate transaction records; assist with audit support (internal/external) as needed


• Communicate with employees to resolve receipt issues and policy questions


• Escalate repeat non-compliance cases to finance management


• Assist with vendor onboarding and maintaining accurate supplier records


• Monitor aging reports and follow up on overdue items


• Collaborate with Procurement, FP&A, and U.S. Finance teams to resolve issues


• Crosstrain across AP functions and provide backup support as needed


• Coordinate quarterly/year-end audit support and payroll data from Expensify


• Other tasks and special projects as assigned

Qualifications & Skills:

• Bachelor’s degree in accounting or related field preferred


• Experience in ERP systems (e.g., NetSuite, Coupa) and expense platforms (e.g., Expensify) highly preferred


• Strong analytical and problem-solving abilities


• High attention to detail with a commitment to accuracy and compliance


• Comfortable managing high-volume transactional work in a deadline-driven environment


• Strong written and verbal English communication skills


• Proficiency in Microsoft Excel, Word, and Outlook


• Ability to work independently and handle multiple priorities


• Experience with global teams and working across time zones a plus


• Professional demeanor and confidentiality awareness


• Team-oriented, collaborative mindset