• Process and validate customer Purchase Orders (POs) by checking them against sales documentation, contracts, and pricing, ensuring accuracy and completeness. • Create and issue customer invoices, resolve discrepancies, and manage invoice adjustments, including the issuance of credit notes. • Manage invoice submission and payment collection, including providing payment details, completing customer forms, and following customer-specific billing processes. • Access and work within customer procurement portals (e.g., SAP, Polaris) to retrieve POs, upload invoices, track status, and respond to customer queries. • Manage the full license lifecycle, including creating, renewing, deploying, and diagnosing product keys to ensure smooth customer onboarding. • Act as a primary point of contact for accounts receivable and billing-related communications, delivering a professional and helpful customer experience. • Investigate and rectify inaccuracies from existing or past orders to ensure customer accounts are healthy. • Maintain meticulous records of data changes or corrections to ensure accuracy and compliance with company protocols. • Coordinate and manage seasonal billing support staff during peak months (June–September), including task allocation, training, and quality checks. • During off-peak periods, lead process improvement initiatives, document workflows, identify automation opportunities, and support broader finance operations. • Partner closely with the Financial team to support cash collection, reporting, and internal controls across the order-to-cash cycle.