This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
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.
Job Responsibility
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
Requirements
Bachelor's degree in Accounting, Finance, Business Administration, or related field preferred
5+ years of experience in billing operations, accounts receivable, collections, order-to-cash, or finance operations roles
Experience working within a managed services, staffing, outsourced services, professional services, logistics, facilities management, or similar service-based business model strongly preferred
Demonstrated experience managing complex customer billing tied to third-party vendor costs, labor-based services, or contract-driven invoicing
Strong understanding of accounts receivable, collections, cash application, dispute resolution, and billing controls
Experience working with NetSuite, Microsoft Dynamics, SAP, Oracle, or other ERP systems
Advanced Microsoft Excel skills including Pivot Tables, VLOOKUP/XLOOKUP, and data analysis
Exceptional organizational skills with the ability to manage multiple priorities in a deadline-driven environment
Strong communication and customer service skills with the ability to interact effectively with both internal stakeholders and external clients
Nice to have
Experience within a business that invoices customers based on labor utilization, contractor services, managed services, or outsourced operational support
Exposure to process improvement initiatives, workflow automation, or ERP implementation projects
Experience supporting high-growth organizations with complex billing structures and large transaction volumes