Senior Manager, Accounts Payable

Overview

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We’re united by a mission to inspire advances in bioprocessing as a preferred partner in the production of biologic drugs that improve human health worldwide. No matter your role or background, at Repligen, you will play a key part in shaping some of the most innovative and life‑changing therapies in the world. We foster a culture of purpose, collaboration, and shared success—where every voice matters and every contribution drives progress.

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The Senior Accounts Payable Manager is a key member of the Controllership organization, responsible for leading the company’s domestic accounts payable operations and ensuring the accurate, efficient, and timely processing of vendor payments across multiple entities. This role oversees the domestic AP team, drives standardization of procure‑to‑pay processes, and leads initiatives focused on automation, process improvements, and operational efficiency. The Senior AP Manager partners closely within international finance teams, Procurement and Treasury to strengthen vendor management, support cash flow planning, and ensure compliance with company policies and internal controls.

The role also oversees key activities including vendor onboarding, invoice processing, payment execution, and travel and expense oversight, while maintaining a strong control environment in accordance with the Sarbanes‑Oxley Act. Success in this position requires proven ability to implement process improvements, KPI management, exceptional attention to detail and the ability to collaborate effectively with stakeholders in a fast‑paced public company environment.

• Partner with the international finance teams to drive the development and implementation of standardized global accounts payable (“AP”) processes and controls to support scaling operations.
• Use KPIs, dashboards, and analytics to measure performance, drive improvements, and enhance decision‑making (aging metrics, backlog, payment accuracy, vendor experience and other relevant metrics).
• Provide regular reporting and insights to finance leadership on AP performance and improvement initiatives.
• Identify opportunities to streamline workflows, eliminate manual processes, implement best practices and improve efficiency.
• Lead system enhancements, automation initiatives, and tool implementations related to AP and procure‑to‑pay including partnering with IT and other business partners.
• Manage the travel and expense (T&E) audit program, including review procedures, exception monitoring, and resolution of policy violations to ensure compliance with company guidelines and internal control requirements.
• Oversee day‑to‑day domestic AP operations to ensure timely processing of invoices, payments, and employee expense reimbursements, including support of the month‑end close.
• Lead, mentor, and develop a team of AP professionals, fostering accountability, collaboration, and continuous improvement.
• Oversee vendor master data accuracy and establish governance routines for updates, validations, and compliance.
• Establish and maintain documented procedures and scalable operating models to support company growth.
• Ensure strong internal controls over invoice processing, approvals, and disbursements.
• Support internal and external audits by managing documentation requests and responding to inquiries.
• Collaborate with business stakeholders to resolve escalations and improve invoice and payment processes.

• Bachelor’s degree or higher in Accounting, Finance or Business Administration.
• CPA preferred.
• 8+ years of progressive experience in a global accounting or global accounts payable environment preferred.
• Public company and SOX experience preferred.
• 3+ years of people management experience.
• Proven ability to implement process improvement, automation/AI initiatives or shared service models within the Accounts Payable function.
• Understanding of U.S. GAAP, primarily related to expense recognition and cut‑off, AP processes, and month‑end closing requirements.
• Ability to multitask and meet assigned deadlines.
• Exceptional verbal, written and presentation skills.
• Strong analytical skills with the ability…