- Develops IT and Mobile Network annual audit work plan with Chief Audit Executive, with consultation from the Chief Technical Advisor and Chief Information Officer. - Manages a pool of IT and Network auditors who executes the work plan through system and application control reviews, IT General Control reviews, technical and business process reviews, pre- and post-implementation reviews, organizational reviews, risk and control self-assessment, among others. - Manages performance of investigative and fraud-related audits. - Collaborates with other internal assurance bodies (e.g., revenue assurance, enterprise risk management, information security, IT and Network Governance) in improving the Company's internal control, risk management and governance activities over IT and Mobile Network organizations, processes and systems. - Work closely with Chief Technical Advisor, Chief Information Officer and other Senior Management in following-through the implementation of audit recommendations.