Accounts Receivable / Billing Specialist – Clinical Research (PST/EST/CST Timezone)

Accounts Receivable / Billing Specialist – Clinical Research Location: Remote – CST, US Time zone Employment Type: Full-Time Department: Finance / Accounting Reports To: Billing Operations Manager About the Role We are looking for an experienced Accounts Receivable / Billing Specialist to join a growing clinical research organization. This role will be responsible for ensuring accurate and timely billing, payment reconciliation, collections, and accounts receivable management across clinical research activities. The ideal candidate will bring a strong foundation in accounts receivable, billing, collections, and reconciliation , together with experience in clinical research, healthcare, clinical trials, CROs, or research sites . Experience with CRIO / Clinical Conductor is a strong advantage. What You'll Do Prepare and issue accurate invoices for patient visits, procedures, and other billable clinical research activities. Review billing against study budgets, agreements, and applicable payment terms. Monitor outstanding invoices and follow up with sponsors, CROs, and other stakeholders regarding overdue payments. Reconcile incoming payments against invoices and outstanding balances. Maintain accurate accounts receivable aging and financial records. Investigate and resolve billing, payment, and reconciliation discrepancies. Escalate complex financial issues to the appropriate finance leadership. Respond to billing and accounts receivable queries from internal teams, research sites, sponsors, CROs, and other external stakeholders. Support audits and month-end close activities. Maintain accurate and confidential financial, sponsor, and patient-related information. Adapt to changing priorities and support additional finance activities as required. What We're Looking For Required 2+ years of relevant experience in accounts receivable, billing, collections, or accounting. Strong experience with invoicing, payment reconciliation, collections, and/or AR aging. Excellent attention to detail and accuracy when working with financial information. <span data-c