Senior Accounts Payable Specialist

Overview

A nonprofit organization focused on advancing therapeutic research is seeking a Senior Accounts Payable Specialist to support its Accounts Payable and Vendor Management processes. This role ensures timely payments, accurate vendor records, and consistent documentation across the payables function. The position facilitates data flow between vendors, business units, and finance teams to maintain vendor record integrity, support payment processing, and improve visibility into payables operations. Responsibilities also include vendor onboarding, maintenance, due diligence, and monitoring day-to-day payables processes.

This is a remote position based in the U.S., requiring work during East Coast business hours (9:00am – 5:00pm ET).

Responsibilities

Procurement, Payables & Operational Excellence

• Manage daily Accounts Payable operations by monitoring workflows in Coupa and NetSuite, including invoice processing, payment status, approvals, exceptions, and system integrations
• Oversee invoice intake, routing, coding, approvals, payment processing, and issue resolution to ensure timely, accurate, and compliant processing
• Provide customer service support for staff and vendor inquiries of mid-tier complexity; research and resolve payment inquiries, supplier statements, invoice discrepancies, and workflow issues in collaboration with internal stakeholders, vendors, and third-party providers
• Escalate complex payment, system, integration, or workflow issues to management as appropriate
• Reconcile AP data across systems to maintain data accuracy and payment integrity
• Support corporate card and Travel & Expense administration through expense review, documentation, audit support, reporting, and policy compliance
• Prepare and analyze AP operational reports and dashboards to monitor invoice aging, payment exceptions, workflow performance, and operational trends
• Assist with maintaining AP process documentation, job aids, and standard operating procedures; identify opportunities to improve workflows, controls, reporting, and operational efficiency

Vendor Compliance Management

• Manage daily vendor onboarding and maintenance activities by monitoring Coupa and NetSuite workflows, vendor setup requests, maintenance updates, exceptions, and system integrations
• Administer vendor onboarding, banking verification, tax documentation, and master data maintenance to ensure complete, accurate, and compliant vendor records
• Review vendor records, documentation, and invoice activity to identify data quality issues, duplicate records, unsupported banking changes, incomplete tax information, and other compliance risks
• Reconcile vendor master data, banking documentation, tax records, and related reporting to support data integrity and audit readiness
• Prepare and analyze vendor compliance reports and dashboards related to onboarding status, documentation, banking verification, data quality, and policy compliance
• Collaborate with internal stakeholders and vendors to resolve vendor setup, maintenance, tax, banking, and compliance inquiries while maintaining complete documentation and approval records
• Develop and maintain vendor management procedures and documentation; recommend process improvements to strengthen controls, data quality, operational efficiency, and compliance

Requirements

• Experience in Accounts Payable, vendor management, vendor onboarding, invoice processing, finance operations, or related business support functions
• Experience using accounting, ERP, or procure-to-pay systems such as Coupa, NetSuite, or similar platforms
• Strong attention to detail with the ability to review vendor, banking, tax, invoice, and payment information for accuracy and completeness
• Understanding of vendor setup, W-9 documentation, banking verification, payment terms, tax exemption documentation, and invoice processing requirements
• Ability to monitor queues, track open items, follow up with stakeholders, and escalate issues appropriately
• Strong written and verbal communication skills; ability to work professionally with vendors, internal teams, and finance partners
• Ability to work independently while supporting team priorities and cross-functional finance needs
• Strong organizational skills with the ability to manage multiple requests, deadlines, and documentation requirements
• Experience creating or maintaining process documentation, checklists, reports, or operational tracking tools preferred
• Non-profit experience is a plus

Compensation & Benefits

• Salary range: $80,000 - $95,000 USD, dependent on qualifications and applicable laws
• Comprehensive benefits package including:
  • Over 15 medical insurance options with 90% of premiums paid by the employer
  • Competitive dental and vision plans
  • 401(k) plan with 6% employer contribution
  • Flexible spending accounts
  • Employer-paid life and disability insurance
  • Paid time off: 18 vacation days, 12 well-being (sick) days, 2 personal days, summer Fridays (office closure at 2pm), and a summer holiday week around July 4
  • Flexible work environment with trust to coordinate work schedules with managers and colleagues
• Eligibility for discretionary annual bonus
• Access to regular training courses and leadership development events

Location

• Remote within the United States
• Must work East Coast business hours (9:00am – 5:00pm ET)