Sr. Billing Operations Specialist Stamford, CT

Sr. Billing Operations Specialist

Our client is seeking a Sr. Billing Operations Specialist to join their growing Finance Operations team in Stamford, CT. This individual will play a critical role in managing the end-to-end billing process within a fast-paced managed services environment where the company serves as an intermediary between third-party service providers and its clients.

The ideal candidate will have experience supporting high-volume billing operations, accounts receivable, and customer invoicing within a services-based organization. This role requires strong analytical skills, exceptional attention to detail, and the ability to collaborate cross-functionally with Operations, Client Services, Accounting, and external vendor partners to ensure accurate billing, timely collections, and efficient cash flow management.

This position offers the opportunity to become a key contributor within a growing organization while helping drive process improvements, reporting enhancements, and operational efficiencies across the order-to-cash cycle.

• Manage the full billing lifecycle for client accounts, ensuring accurate and timely invoicing based on contractual agreements, vendor charges, service activity, and approved pricing structures.
• Review and reconcile third-party vendor invoices to validate billable expenses, labor costs, service volumes, and client-specific allocations prior to invoicing customers.
• Prepare, audit, and distribute high-volume customer invoices while ensuring all supporting documentation and approvals are properly maintained.
• Partner closely with Operations, Client Services, and Accounting teams to investigate and resolve billing discrepancies, pricing questions, invoice disputes, and client inquiries.
• Monitor accounts receivable activity, support collections efforts, and work directly with customers to resolve outstanding balances, remittance questions, and payment delays.
• Track and manage billing exceptions, credit memos, invoice adjustments, and dispute resolution through completion.
• Maintain customer master data, billing profiles, invoice delivery preferences, contract terms, purchase order requirements, and pricing schedules within the ERP system.
• Prepare and analyze billing and collections metrics, including invoice accuracy, billing cycle times, dispute aging, DSO trends, collections performance, and cash application reporting.
• Support month-end close activities by ensuring billing, receivables, accruals, and related reconciliations are completed accurately and on schedule.
• Identify opportunities to improve billing workflows, reporting capabilities, automation, and internal controls across the order-to-cash process.
• Assist with ERP optimization initiatives, process documentation, and ongoing finance transformation projects.