Postpaid Billing Analyst at Airtel

About The Role

• The Postpaid Billing Analyst is responsible for providing independent assurance over the completeness, accuracy and timeliness of postpaid billing and associated revenue. The role performs end-to-end controls across usage capture, mediation, rating, discounting, bill production, adjustments, collections interfaces and financial reporting to identify revenue leakage, billing errors and control gaps before they affect customers or the business.
• The analyst will use data analytics, reconciliations and root-cause analysis to validate billing outcomes, quantify exposure, drive corrective actions and support continuous improvement of the postpaid revenue-assurance control environment.

Airtel Africa is proud to be an equal opportunity employer and remain fully committed to diversity and inclusion in the workplace.

Responsibilities
End-to-End Postpaid Billing Assurance

• Execute daily, weekly and monthly assurance controls across postpaid voice, data, SMS, roaming, value-added services, enterprise products and other billable services.
• Reconcile usage records from network elements and mediation platforms to the billing system to confirm complete and accurate record capture.
• Validate rating, charging, tariff application, discounts, bundles, free units, taxes, recurring charges, one-off charges and prorated fees against approved commercial configurations.
• Perform pre-bill and post-bill validation for every billing cycle, including control totals, bill-run exceptions, account populations, invoice values and cycle-to-cycle movements.
• Verify that late-arriving, rejected, duplicate, suspense and recycled usage records are accurately tracked and processed without revenue loss or customer overbilling.

Reconciliations and Revenue-Leakage Detection

• Reconcile CDR/event volumes and values across network, mediation, billing, customer-care, receivables and general-ledger interfaces.
• Monitor unbilled and aged usage, zero-rated events, high-usage accounts, negative invoices, credit balances, suppressed bills, bill reversals and abnormal revenue movements.
• Identify, quantify and report revenue leakage, underbilling, overbilling and delayed billing; agree recovery or customer-remediation actions with accountable teams.
• Develop trend, variance and exception analyses by product, tariff, customer segment, billing cycle, service type and revenue category.
• Maintain a complete issue and leakage register, including financial exposure, root cause, owner, due date, recovery status and closure evidence.

Adjustments, Credits and Customer-Billing Controls

• Review billing adjustments, credits, waivers, refunds and write-offs for validity, authorization, supporting evidence and adherence to policy.
• Monitor manual interventions and privileged billing activities for unusual patterns, excessive values, duplicate processing or segregation-of-duties conflicts.
• Support investigation of material billing complaints and disputes, providing usage-level evidence, impact assessment and root-cause findings.
• Confirm that approved corrections are accurately implemented and reflected in subsequent invoices, receivables and accounting records.

Product, Tarriff and Change Assurance

• Participate in assurance reviews for new postpaid products, tariffs, promotions, discounts, migrations and system releases before commercial launch.
• Translate approved business rules into test scenarios and validate configuration across CRM, billing, mediation and downstream reporting systems.
• Conduct sample-based and data-driven testing of charging outcomes, boundary conditions, tax treatment, proration and billing-cycle behavior.
• Perform post-implementation monitoring to confirm that changes operate as designed and do not introduce revenue or customer-experience risk.

Reporting, Governance and Control Improvement

• Prepare clear operational and management reports covering control performance, exceptions, leakage, recoveries, aging and unresolved risks.
• Escalate material billing risks promptly, supported by quantified impact, affected population, evidence and recommended corrective action.
• Document and maintain control procedures, reconciliation logic, data lineage, thresholds and evidence in line with the Revenue Assurance framework.
• Automate repeatable controls and improve monitoring coverage using SQL, dashboards and analytical tools.
• Support internal and external audits, regulatory requests and control self-assessments by providing accurate and traceable evidence.
• To ensure all post-paid traffic/CDRs are captured and billed appropriately

Qualifications
Educational Qualifications

• Bachelor's degree in Accounting, Finance, Economics, Computer Science, Engineering, Statistics, Mathematics or a related discipline.

Relevant Experience & Functional / Technical Skills

• 3-5 years' experience in Revenue Assurance, billing operations, finance assurance, data analytics, audit or a related telecommunications function.
• Practical understanding of postpaid billing processes, bill cycles, tariffs, discounts, invoicing, accounts receivable and revenue recognition interfaces.
• Experience working with high-volume usage data and performing reconciliations across multiple systems.
• Strong SQL capability for querying, joining, reconciling and analyzing large datasets.
• Advanced Microsoft Excel skills, including pivot tables, lookups, logical functions and data-quality checks.
• Working knowledge of data-visualization tools such as Power BI or Tableau.
• Knowledge of telecom network events/CDRs, mediation, rating, billing, CRM and receivables platforms.
• Understanding of control design, exception management, root-cause analysis, data lineage and financial-impact assessment.
• Ability to interpret product documents, tariff approvals, contracts, system configurations and accounting outputs.
• Familiarity with scripting or analytics tools such as Python is an advantage.
• Telecommunications experience is strongly preferred; relevant professional certification is an advantage.