Key Responsibilities Billing Preparation & Processing Assist with preparing, reviewing, and issuing accurate invoices according to billing cycles. Validate billing data (rates, quantities, contract terms) before processing. Capture billing details into BPO Process credit notes and adjustments as needed. Administrative Support Maintain organized digital billing files. Update contract details. Assist in preparing reports. Manage incoming emails, tickets, and billing-related requests. Customer & Internal Query Handling Respond to billing-related queries from customers and internal departments. Provide usage reports, settlements or supporting documents. Process cancellations and port out requests Escalate complex issues to senior billing specialists or management. Data Management & Reconciliation Perform basic account reconciliations and identify discrepancies. Assist with month-end billing checks and revenue verification. Compliance & Quality Contro l Follow billing procedures and company...