• Oversee the preparation, processing, and issuance of customer invoices to ensure accuracy and compliance with contractual terms and company policies. • Manage the resolution of billing discrepancies, adjustments, and credit memos in coordination with finance, revenue accounting, and customer-facing teams. • Collaborate with Sales, Customer Success, and Finance teams to support the order-to-cash cycle and improve customer billing experiences. • Maintain and improve internal controls within the billing process and provide documentation to support external audits and internal reviews. • Monitor billing operations and develop reports on billing metrics, KPIs, trends, and process performance for management review and analysis. • Identify and implement process improvements to streamline workflows, increase accuracy, and enhance efficiency in billing operations. • Supervise and develop the billing staff or coordinate with shared service resources, providing guidance and training as needed. • Process sales and use tax obligations based on customer location, product taxability, and applicable exemptions using Avalara Maintain detailed records of tax calculations, exemption certificates, and supporting documentation. • Reconciliation of sales and use tax filings with sales tax charged on customer invoices. • Review customer tax exemption certificates and ensure proper documentation is current and valid.