Order-to-Cash & Customer Integration Support activities across the order-to-cash lifecycle, including customer and material master data, EDI order receipt, sales order management, pricing, inventory availability, order holds, fulfillment, shipment confirmation, invoicing, returns, credits, and deductions. Create and execute test scripts covering customer master data, sales orders, pricing, inventory availability, allocations, fulfillment, shipping, invoicing, credits, returns, EDI transactions, and customer-specific requirements.