Mercy Chebet

Network & Platform Assurance | Revenue Assurance | Risk Management & Controls

Results-driven Revenue Assurance and Risk Management professional with over 5 years of experience spanning telecommunications, external audit, financial assurance, tax advisory, and business controls. Proven expertise in designing and implementing assurance controls across billing, charging, roaming, interconnect, and digital platforms to safeguard revenue, ensure data integrity, and enhance operational resilience. Skilled in revenue leakage prevention, end-to-end reconciliations, risk assessments, payment integrity reviews, control monitoring, and assurance support for product launches, system upgrades, and data migration initiatives. Recognized for building strong partnerships with Technology, Commercial, Product, Finance, and Operations teams to strengthen governance, mitigate business risks, and drive continuous improvement. CPA and CIFA qualified professional with strong analytical, stakeholder management, leadership, and problem-solving capabilities, aspiring to leverage extensive assurance expertise to drive network integrity, platform resilience, and revenue protection.

Nairobi, Kenya
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Languages
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Skills
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Certifications
Work Experience
Revenue Assurance Analyst
Safaricom PLC
Mar 2023 — Present
  • Proactively identify, investigate, and report areas susceptible to revenue leakage across telecommunications products and services
  • Implement and monitor billing assurance controls to strengthen revenue protection and reporting accuracy
  • Perform product risk assessments to ensure billing and charging processes align with approved business requirements
  • Conduct end-to-end reconciliations across billing, operational, and financial systems
  • Monitor roaming and interconnect traffic to identify anomalies, usage leakages, and potential unbilled events
  • Develop assurance procedures to ensure accurate settlements with interconnection partners
  • Execute payment integrity reviews covering commissions, revenue-share arrangements, and partner settlements
  • Validate revenue reporting across operational, analytical, and financial systems
  • Monitor interfaces across RMS, M-PESA, Billing Systems, and ERP platforms to ensure transaction integrity
  • Support major system upgrades, business projects, and data migration initiatives through risk and assurance reviews
  • Collaborate with Technology, Commercial, Finance, and Product teams to strengthen controls and improve operational effectiveness
  • Conduct periodic reviews of controls and risk assessments to align assurance activities with evolving business processes
Assurance Associate 1 & 2
PwC Kenya
Sep 2021 — Mar 2023
  • Led external audit engagements across Financial Services and Non-Financial Services sectors
  • Assessed effectiveness of internal controls and governance frameworks
  • Reviewed compliance with IFRS, IAS, and statutory regulations
  • Prepared and reviewed financial statements and management reports
  • Communicated audit findings and recommendations to Partners, Managers, and client management teams
  • Coordinated and supervised junior audit associates
  • Built effective relationships with client finance and accounting teams
  • Evaluated business processes and identified control improvement opportunities
  • Performed risk assessments and compliance reviews across various industries
Graduate Tax Trainee
Andersen in Kenya
Jan 2021 — Sep 2021
  • Conducted tax research and interpretation of legislation and regulatory changes
  • Prepared and submitted tax returns within statutory timelines
  • Supported tax planning and advisory assignments
  • Performed tax health checks and compliance reviews
  • Prepared transfer pricing documentation
  • Assisted clients with tax computations and regulatory compliance
  • Reviewed tax risks and recommended appropriate mitigation measures
Skills
Revenue AssuranceNetwork & Platform AssuranceBilling AssuranceRevenue Leakage DetectionCharging System AssuranceRoaming AssuranceInterconnect AssuranceData Integrity & ReconciliationRisk Assessment & MitigationGovernance Risk & ComplianceSQL & Data AnalyticsStakeholder ManagementTeam LeadershipChange & Project ManagementData Migration Assurance
Education
Bachelor of Science, Actuarial Science
JKUAT
Second Class Honours Upper Division
Certifications
CPA
KASNEB
2022
CIFA
KASNEB
2021
References
Rhoda Marimbi
Manager, Revenue Assurance · Safaricom PLC
[email protected] · 0721455866
David Mugo
Senior Manager · PwC Kenya
[email protected] · 0729625252
Jack Ikiara
Manager, Financial Reporting · Stanbic Bank Kenya
[email protected] · 0711950106
Languages
English
Fluent
Swahili
Fluent
Volunteering
Kenya Red Cross Society Volunteer
Kenya Red Cross Society Volunteer

Participated in community service and humanitarian support initiatives aimed at improving community well-being and social impact.

Interests
Spending time with family and friends
Volunteering
Travelling
Photography