• Own the end-to-end customer invoicing and collections process, including invoice issuance, payment tracking, and follow-ups with customers • Serve as the primary customer-facing finance contact for billing, payment status, and invoice-related inquiries • Maintain accurate AR records, cash application, and customer account reconciliations • Ensure billing aligns with contracts and internal approvals, escalating discrepancies as needed • Support month-end close activities related to AR, revenue, and cash • Maintain organized documentation and audit-ready support for all customer billing and collections activity