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Iterative Health is a healthcare technology and services company powering the acceleration of clinical research to transform patient outcomes. We built a leading performance-driven network of 100+ sites across the US, Europe, India, and Australia, conducting research directly in the communities where care is delivered across gastrointestinal, hepatology, obesity, and cardiology. By combining deep clinical trial expertise with cutting-edge AI, we connect sponsors' scientific ambitions with high-performing research teams that expedite and expand access to novel therapeutics for patients in need. Today, Iterative Health is headquartered in Cambridge, Massachusetts, and New York City with 250+ employees world-wide.   The Accounts Payable Specialist is a key member of the Accounting team, reporting to the Manager, Accounting . This role is responsible for ensuring the accuracy, efficiency, and integrity of Iterative Health's accounts payable operations while supporting broader accounting and financial close activities. The ideal candidate is an accountant who brings strong accounts payable and accounting experience, exceptional attention to detail, and a passion for process improvement. This individual will serve as a critical partner across Finance, Procurement, and business teams to ensure vendor payments are processed accurately, financial records remain audit-ready, and accounting operations scale effectively alongside the organization. Where You'll Drive Impact Support the full accounts payable lifecycle, including invoice receipt, coding, approval routing, and payment processing. Review invoices for accuracy and appropriate supporting documentation. Process vendor payments accurately and on time while ensuring compliance with company policies and internal controls. Reconcile accounts payable transactions and vendor statements, identifying and resolving discrepancies promptly. Maintain vendor records and ensure proper onboarding, tax documentation, and compliance requirements. Support annual 1099 preparation and reporting activities. Partner with internal stakeholders to ensure timely invoice approvals and resolution of payment-related inquiries. Utilize NetSuite to support day-to-day accounting operations, vendor management, reporting, and general ledger activities. Manage purchase order requests, invoice matching, and approval workflows through ZIP Procurement. Monitor procurement and payment workflows to ensure efficiency, accuracy, and compliance. Assist with system enhancements, testing, and process improvements related to accounts payable and procurement operations. Serve as a resource for employees regarding procurement and invoice processing procedures. Assist with month-end and year-end close activities, including journal entries, accruals, and account reconciliations. Support the preparation of financial reports and schedules. Assist with external audits by preparing supporting documentation and responding to audit requests. Ensure transactions are recorded accurately and in accordance with accounting policies and procedures. Collaborate with Accounting and Finance team members to support financial reporting, budgeting, and cost analysis initiatives. Identify opportunities to improve processes, strengthen internal controls, and increase operational efficiency. Help develop and maintain accounting policies, procedures, and documentation. Participate in special projects and other accounting initiatives as needed. Performs related duties as requested    What You Bring to the Team Bachelor's degree in Accounting, Finance, or a related field. 2–3 years of accounting experience, with a strong focus on accounts payable. Experience working with NetSuite ERP or a similar enterprise accounting system. Experience using procurement platforms such as ZIP Procurement, Coupa, or similar