p>Keywords: Accounts receivable, AR, billing, invoicing, invoice processing, order-to-cash, O2C, revenue tracking, financial reconciliation, billing accuracy, PO validation, project coordination, service coordination, operations support, scheduling, work order management, customer operations, ERP systems, Sage, CRM systems, data entry, reporting, Microsoft Excel, cross-functional coordination, sales support, field operations support, process improvement, detail-oriented, fast-paced environment, administrative support, operations coordinator, billing coordinator, project scheduler. This role partners closely with sales, field operations, finance, and customers to ensure projects are completed efficiently and invoices are processed accurately and timely.