Senior SEC Accountant

Repligen•Waltham, MA

13d•$89,968 - $121,722

About The Position

Make a global impact—join Repligen. 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. Join us! The Senior SEC Accountant is a key member of the SEC Reporting & Accounting team, supporting the Company’s external reporting and corporate close processes in accordance with U.S. GAAP. This role prepares components of SEC filings, earnings releases, performs stock‑based compensation and lease accounting and ensures the completeness and accuracy of financial disclosures. Success in this position requires strong analytical skills, exceptional attention to detail, and the ability to collaborate effectively with stakeholders in a fast‑paced public company environment.

Requirements

Bachelor's degree in Accounting or Finance
3-5+ years of relevant accounting/finance experience – either in public accounting or industry
Understanding of US GAAP, SEC reporting concepts and SOX compliance in a public company environment
Excellent analytical, organizational, and problem-solving skills with high attention to detail
Strong project management skills, with the ability to manage multiple priorities and deadlines
Ability to work effectively both independently and collaboratively across departments
Advanced Excel skills

Nice To Haves

Certified Public Accountant (CPA) or actively pursuing certification preferred

Responsibilities

Assist in preparing quarterly and annual SEC filings, including Forms 10‑K, 10‑Q, and 8‑K in compliance with U.S. GAAP and SEC regulations (via Edgar filing software such as Workiva or Active Disclosure)
Support the preparation of the Consolidated Financial Statements, including Consolidated Cash Flow Statement and Consolidated Statement of Stockholder’s Equity
Draft, research, update, and review footnote disclosures for accuracy, clarity and U.S. GAAP compliance
Assist in preparing the quarterly disclosure checklists for compliance with U.S. GAAP and SEC regulations
Prepare and maintain supporting workpapers for all disclosures, ensuring tie‑outs to source data and audit-ready documentation
Perform detailed reviews and tie‑outs of filings, earnings releases, and investor presentations to validate completeness and accuracy
Collaborate with members of the global finance teams, investor relations and legal teams to support these processes
Prepare stock‑based compensation accounting entries, including valuation, expense calculations, reconciliations, and related disclosures for the global organization (ASC 718)
Prepare earnings per share (EPS) calculations, including diluted EPS
Prepare lease accounting entries and related disclosures on an annual basis for the global organization
Participate in monthly and quarterly close activities, including preparation of journal entries, reconciliations and account analyses
Ensure compliance with SOX requirements, including maintaining accurate control documentation and performing assigned control activities
Serve as a liaison with external auditors, coordinating requests, providing supporting documentation, and addressing inquiries in a timely and accurate manner
Support quarterly reviews and annual audit processes by ensuring materials meet audit-ready standards
Identify opportunities to improve processes and documentation, contributing to a culture of accuracy, ownership and continuous improvement
Support ad‑hoc implementations, projects and initiatives within the Finance organization