Results-driven IT Infrastructure Project/Transition/Operations Manager with over 20 years of expertise in managing large-scale IT infrastructure, operational transitions, and service delivery improvements. Certified ITIL Expert and PRINCE2 Practitioner with a proven track record of successfully overseeing complex projects in banking, telecommunications, and government sectors. Skilled in multi-vendor coordination, cross-functional stakeholder management, and process optimization to align IT services with organizational objectives. Focus on risk mitigation, resource optimization, and compliance with industry standards to consistently deliver operational efficiencies, cost reductions, and enhanced service reliability.
Overview
2025
2025
years of professional experience
5
5
years of post-secondary education
3
3
Certifications
2
2
Languages
Work History
Infrastructure Delivery & Risk Management Lead (Asia & Europe)
Citibank N.A.(TCS Employee)
8 2021 - Current
Led end-to-end infrastructure service delivery and risk management for Citibank’s operations across Asia and Europe, overseeing critical transitions from development to production for enterprise applications, while ensuring compliance with Citibank’s stringent regulatory and operational standards
Directed multi-functional teams to enhance API/ESB security and reliability, implementing proactive risk identification and mitigation strategies that addressed potential vulnerabilities, safeguarded data privacy, and supported full regulatory compliance across diverse product lines
Developed and enforced comprehensive SLA and KPI framework, boosting productivity by 30% and reducing incident response times by 27%, resulting in consistently reliable, responsive, and high-quality service delivery across key Citibank regions
Acted as Single Point of Contact (SPOC) for all API/ESB risk-related activities, centralizing communication channels, and expediting issue resolution through streamlined risk metrics and reporting across global teams
Spearheaded multiple data center consolidation projects for exit markets across Asia and Europe, optimizing infrastructure, reducing operational footprint, and achieving significant cost savings while maintaining service continuity and compliance
Pioneered ReWrite Project, transitioning complex legacy Java applications to API-based platforms, leading to improved integration, increased operational agility, and faster processing times across critical business functions
Achieved 100% compliance in API/ESB operations by instituting proactive risk management framework, reducing vulnerabilities, ensuring adherence to compliance standards, and strengthening Citibank’s infrastructure security posture
Designed and launched a cross-training program that expanded skill sets of IT workforce, reducing project delivery timelines and builing more adaptable, resilient team
Senior Project Manager
Tata Consultancy Services AP Pte Ltd
08.2020 - 07.2021
Led high-profile projects across cybersecurity, infrastructure migration, and government tenders for clients such as Aviva, Keppel, and Singapore government agencies, managing end-to-end execution to ensure seamless transitions, operational compliance, and regulatory alignment
Oversaw migration of 1,500+ Aviva Singapore users and systems post-acquisition by Singlife, managing development of new Standard Operating Environment (SOE) to align with Singlife’s security protocols
Collaborated with TCS SOE COE team and Aviva/Singlife management to finalize applications and security tooling for SOE, facilitating compatibility and data integrity across environments
Set up required servers and ensured a zero-downtime transition by implementing robust security measures through Azure Security Center and Microsoft Endpoint Manager
Spearheaded a unique cybersecurity project for Keppel, implementing a real-time compliance and monitoring dashboard across five data centers, capturing IoT, network, and IT/OT asset activities
Designed a Central Reporting Dashboard using Azure Defender for IT and IoT, Azure Sentinel, Azure Log Analytics Workspace, Power BI, and Power Automate for automated compliance alerts, enabling faster issue detection and remediation
Implemented AD4IoT sensors and a Syslog server to capture real-time data, significantly enhancing Keppel’s ability to monitor and manage cybersecurity risks
Coordinated with TCS Sales team to evaluate tenders from Singapore government agencies, conducting in-depth feasibility studies for HDB, IRAS, SFA, and MOM projects
Successfully managed Aviva-to-Singlife infrastructure migration with zero downtime, securing unified and compliant SOE environment through use of Azure Security Center and Endpoint Manager
Enhanced Keppel’s cybersecurity monitoring, achieving a 50% improvement in compliance tracking through automation, reducing manual monitoring efforts by 40%
Improved government tender response quality by providing detailed analyses and aligning project resources with technical requirements, strengthening TCS’s competitive edge in public sector
Senior Project Manager
Citibank N.A. (TCS Employee)
01.2018 - 08.2020
Led critical infrastructure projects for Citibank, including ESB (Enterprise Service Bus), SSG, Bureau, and collaborations with major vendors like MasterCard and Visa, ensuring seamless integration and compliance across APAC and EMEA regions
Oversaw project planning, deployment, and production cutover for high-priority initiatives, coordinating with APAC & EMEA business and project teams to ensure that all phases—deployment, setup, testing, and pre-production readiness—were executed on schedule and aligned with Citibank’s standards
Tracked and monitored project progress for infrastructure and applications, identifying risk indicators and implementing mitigation strategies to meet project timelines and maintain quality standards for each release
Collaborated closely with product teams to understand and accommodate planned feature rollouts and testing scopes, ensuring infrastructure and software deployments met stringent release criteria for both minor and major releases
Partnered with the Release Management team to manage OPPMs (Operational and Product Performance Metrics), evaluating and aligning requirements for both implemented and de-scoped elements in each release cycle
Led a defect triaging team of eight offshore members, working with Citibank’s infrastructure, application, and testing leads to support lifecycle management and resolve issues impacting project timelines
Provided project leadership to ensure infrastructure stability, audit compliance, and alignment with KPIs related to TAT (Turnaround Time) and defect density, meeting or exceeding SLAs defined by Citibank and external stakeholders
Conducted regular project calls with cross-functional teams, including business units, external vendors, and application teams, to triage defects, analyze root causes, and propose solutions to expedite resolution
Achieved a significant reduction in TAT for critical infrastructure and vendor-supported releases, streamlining deployment cycles across APAC and EMEA regions
Decreased defect triaging timeframes by implementing structured workflows for external vendors, improving response times and minimizing project delays
Enhanced cross-functional coordination among Lines of Business (LOBs) to expedite defect management, achieving faster and more effective triaging and resolution processes
Successfully completed all assigned critical projects within designated timeframes, contributing to Citibank’s operational efficiency and infrastructure resilience
Managed complex infrastructure projects and transitions for large-scale government and enterprise clients, overseeing project interdependencies, scope, and objectives, while developing detailed work, rollback, and resource plans within budget constraints
Coordinated cross-functional teams of 20 to 50 members, including subcontractors and external vendors, to provide timely updates and ensure seamless progress on project milestones
Maintained transparent communication with senior management and stakeholders to quickly address any issues or deviations
Led human resources team in reallocation and re-badging of BAU resources for service continuity, forecasting manpower requirements, and overseeing end-to-end hiring, including interviews, training, and performance reviews, to support project needs
Championed change management processes, driving full lifecycle for application and infrastructure changes, including high-level design, initiation, planning, testing, and impact analysis, to ensure smooth transitions and minimal disruption
Directed transition of desktop management, LAN management, file services, and other IT functions to a new Replacement Service Provider (RSP), successfully migrating services to ensure continuity for thousands of end-users
Aligned and executed infrastructure service strategies with organizational goals, managing resources and capabilities to support IT objectives, while assisting COE team in monitoring and rebalancing services as per evolving business needs
Built and maintained strong relationships with middle and upper management, ensuring high customer satisfaction and a consistent focus on service quality throughout each phase of project lifecycle
Deployed infrastructure solutions for over 3,000 end-users across multiple government agencies, resolving pre-deployment issues to ensure smooth production implementation
Successfully rolled out business-critical applications and software packages, enhancing user productivity and system reliability
Resolved over 150 critical issues in SOE Portal, RDSS, file services, and other applications, significantly reducing downtime and increasing user satisfaction by providing responsive and proactive problem-solving
Developed and implemented a comprehensive change management framework, resulting in 30% improvement in customer satisfaction scores (CSAT) by streamlining change process and enhancing service reliability
Concurrently managed two large and six medium-scale projects to refresh End User Computing Device (EUCD) infrastructure for Singapore government agencies, completing all within a five-month period and achieving 100% adherence to project timelines
Successfully led reorganization of Workforce Development Agency (WDA) into Workforce Singapore (WSG) and SkillsFuture Singapore (SSG) under GovTech
This transition enabled better support for job seekers, career advancement initiatives, employer training, and development of training providers, aligning IT services with national workforce goals
Infrastructure Senior Manager
Citibank N.A.
01.2008 - 03.2015
Led team of 20 infrastructure professionals to manage Citibank’s critical infrastructure, ensuring high availability of key servers and network components across ASPAC, EMEA, and North America
Delivered robust support for both online and batch services, guaranteeing timely, efficient service delivery to global users
Supervised global support team of seven responsible for Mainframe and infrastructure support across all regions, overseeing design, development, and ongoing enhancements for Mainframe project applications to meet Citibank’s evolving business needs
Conducted comprehensive system integration testing (SIT) and user acceptance testing (UAT) for high-priority programs, closely monitoring risks, issues, and dependencies
Developed and communicated mitigation strategies to stakeholders, ensuring smooth deployments and minimal disruptions
Collaborated with business services to establish and exceed Service Level Objectives (SLOs) for Citibank community, reinforcing Citibank’s reputation for reliability by executing rigorous incident and problem management processes
Led problem management and root cause analysis processes, coordinating with relevant teams to prevent issue recurrence, enhance infrastructure stability, and support Citibank’s disaster recovery and business continuity objectives
Infrastructure Lead for a global framework setup, managing end-to-end programming and resource alignment for Citibank’s consumer banking and credit card services worldwide, which improved transaction processing and service delivery
Played a key role in establishing ASPAC Command Centre, from conceptual planning to final setup, including detailed resource planning and a phased seven-stage rollout that bolstered Citibank’s regional infrastructure capabilities
Successfully facilitated Data Centre migration as part of three-member team, transitioning Citibank’s Singapore operations from Xilinx building to new Citi Changi campus, which enhanced data center resilience and operational capacity
Part of five-member project team that migrated over 200 production servers from Telepark data center to Cintech 2 and Asia Tone, reducing Telepark’s footprint by 85% and ensuring optimized infrastructure utilization
Developed automation training program that reduced error handling by 15%, supporting Citibank’s region-wide initiative to enhance efficiency and minimize human error
Spearheaded Common Interface Module initiative to eliminate redundant external calls, reducing response time by 15 seconds and significantly improving service efficiency
Achieved 99.9% application availability by implementing proactive infrastructure management practices, ensuring seamless service continuity for Citibank’s global customer base
Introduced transformative initiatives that increased operational efficiency, including: Automated resource utilization tools, reducing reliance on manual support and improving efficiency by 25%
Optimized end-user support processes, cutting required manpower from eight to three, which streamlined support and improved resource allocation
Implemented Dynamic Focal Point system, automating issue tracking and notifications to expedite resolution, minimizing dependency on Level 1 command center operators
Recognized with Citibank’s Praise Award (2012), second highest accolade, for developing and implementing Dynamic Focal Point for EMEA Command Centre, which was integrated into Citibank’s global mainframe monitoring system
Awarded multiple Citi Rave Awards for excellence in project completion, training delivery, and infrastructure support, underscoring a sustained commitment to high standards and service excellence
Infrastructure Team Lead
Affiliated Computer Services Inc.
02.2004 - 12.2007
Led infrastructure management and technical support for a diverse portfolio of 60 client accounts, providing end-to-end solution design, security management, and technical tool development to meet complex customer requirements
Identified and implemented technological enhancements through collaboration with global management, serving as Global Process Owner for Availability Management
Drove multiple service improvement plans that optimized asset performance and met rigorous availability standards
Conducted comprehensive product, system, and user access audits along with external audits, championing corrective actions to uphold security and compliance standards across client environments
Trained and mentored team members in key areas including Audit Scope, ITIL best practices, and System Training, ensuring consistent adherence to service protocols and bolstering team performance and knowledge
Managed 24/7 infrastructure and Mainframe administration, supporting a global user base and ensuring consistent adherence to SLAs for both migration and post-migration phases, facilitating uninterrupted service and high availability
Automated reporting processes, which led to a 15% increase in customer satisfaction by improving accuracy and timeliness of client updates and reducing manual workload
Honored with ACS ITES Best Employee Award in 2007 for exceptional leadership in infrastructure management and service improvements
Spearheaded integration of Candle alerts into Netcool for 60 clients within accelerated timeline of 20 weeks, enhancing monitoring capabilities and enabling real-time alerting for critical infrastructure
Standardized IPL (Initial Program Load) procedures, resulting in a 15-20 minute reduction in system startup and shutdown times, which streamlined operations and minimized downtime
Successfully converted non-standard automation products to AFOPER and implemented new task manager, standardizing cloning procedure and improving system performance by 7%
Played key role in five-member team for major offshoring initiative, transitioning 60% of workload from data centers in Dallas and Pittsburgh to a new office infrastructure in Bangalore
This project enabled significant operational cost savings and established a stable support environment in the new location