• Own end-to-end customer billing, including invoice generation, validation, and delivery across multiple currencies. • Manage monthly billing cycles for subscription and usage-based invoicing. • Submit invoices through customer AP portals and ensure timely and accurate invoice distribution. • Maintain billing schedules, contract updates, and customer details in NetSuite SuiteBilling. • Respond to customer billing inquiries and resolve discrepancies or disputes efficiently. • Partner with Sales and Customer Success on billing setup, changes, renewals, and customer communication. • Monitor AR aging and proactively manage collections activities. • Conduct weekly AR aging reviews and identify trends or risks. • Utilize automated dunning processes and conduct direct outreach when necessary. • Communicate with customers regarding overdue balances, remittances, and payment plans. • Support month-end close activities related to AR and bad debt considerations. • Analyze billing and collections data to identify discrepancies or opportunities for process improvement. • Reconcile billing data between NetSuite, Salesforce, and internal systems. • Validate usage data, billing logic, and usage-based charges. • Maintain accurate customer, contract, and billing master data across systems. • Provide documentation and support for internal audits and financial reporting needs. • Work extensively with NetSuite SuiteBilling and ARM, Salesforce, and Excel/Sheets. • Support enhancements to quote-to-cash workflows and system integrations. • Take ownership of scheduled and off-cycle bill runs, including invoices for newly closed deals.