About
Senior Network & Voice Infrastructure Engineer with 15+ years of experience leading enterprise-level global infrastructure initiatives across APAC. Expert in Cisco technologies, SD-WAN, cloud security, and voice systems. Recognized for delivering resilient architecture, executing strategic migrations, and steering cross-functional teams to enhance operational excellence and business continuity.
My career trajectory has seen me evolve from working in mostly local-based systems integrators into end-user MNC environments with a regional scope of work.
Work
Cytiva
|Senior Engineer, IT Global Infrastructure (Network & Voice)
Singapore
→
Summary
At Cytiva, a global life sciences company, I lead APAC network and voice strategy, overseeing site transitions and global roadmap execution, while managing critical infrastructure to support biotech, pharma, and research operations.
Highlights
Spearheaded APAC network and voice strategy, guiding critical site transitions and executing global roadmap initiatives to enhance regional infrastructure reliability and performance.
Managed and optimized complex SD-WAN, WLAN, LAN VRF, and routing/switching environments, ensuring high performance and reliability across global operations.
Administered and maintained Palo Alto NGFW policies, Cisco ISE, Zscaler ZPA, and IPSec infrastructure, significantly strengthening the organization's network security posture.
Executed complex global network and voice migrations, infrastructure builds, and automation projects, significantly improving system performance and operational efficiency.
Collaborated cross-functionally with Corporate Security, Procurement, and regional IT teams to establish robust governance frameworks and drive operational efficiency initiatives.
Drove significant cost optimization, enhanced system reliability by 15%, and standardized infrastructure across the organization to improve scalability and maintainability.
Michael Page International
|Network & VoIP Analyst
Singapore
→
Summary
As Network & VoIP Analyst at Michael Page International, I managed APAC WAN, LAN, WLAN, and VoIP infrastructure, delivering Level 2 support and contributing to regional network transformation initiatives.
Highlights
Managed comprehensive APAC WAN, LAN, WLAN, and VoIP infrastructure, supporting critical operations across multiple regional offices.
Provided expert Level 2 support, ensuring 99.9% operational reliability for Cisco and Meraki network environments and minimizing downtime.
Maintained robust Wi-Fi, DNS, DHCP, and RADIUS infrastructure, proactively monitoring daily network KPIs to ensure optimal performance and stability.
Supported the Cisco Voice Gateway platform and coordinated MPLS escalations, resolving critical issues efficiently to sustain business communication.
Documented network standards and played a key role in the APAC SD-WAN transformation initiative, enhancing regional network architecture and future-proofing.
NCS Pte Ltd
|Network Consultant (SPS)
Singapore
→
Summary
As a Network Consultant at NCS Pte Ltd, I administered Cisco/Alcatel networks, developed critical documentation, and managed vendor relationships for enterprise customers.
Highlights
Administered complex Cisco/Alcatel networks, providing advanced troubleshooting that resolved critical system issues for enterprise clients, reducing incident resolution time by 20%.
Developed detailed network diagrams, comprehensive implementation plans, and upgrade documentation, facilitating seamless system deployments and migrations.
Managed vendor relationships and supported incident escalation for enterprise customers, ensuring timely resolution and maintaining high service levels.
Bayer Business Services
|LAN Engineer
Singapore
→
Summary
At Bayer Business Services, I delivered LAN design, engineering, and Level 2 support across APAC, collaborating on unified infrastructure integration and driving continuous improvement aligned with global standards.
Highlights
Delivered end-to-end LAN design, engineering, and Level 2 support across the APAC region, ensuring robust network performance and stability for business operations.
Collaborated effectively with Voice and Hosting teams to achieve unified infrastructure integration, enhancing overall system interoperability and reducing operational silos.
Drove continuous improvement initiatives, aligning network operations with global standards and best practices, leading to a 10% improvement in network efficiency.
SITA
|Associate Operations Specialist
Singapore
→
Summary
At SITA, I responded to network faults and service requests within SLA, performing proactive monitoring and maintaining infrastructure documentation to ensure operational continuity.
Highlights
Responded to and resolved network faults and service requests promptly within defined SLAs, maintaining high service availability for critical systems.
Performed proactive network monitoring and meticulously maintained infrastructure documentation, improving system visibility and troubleshooting efficiency by 15%.
NCS Pte Ltd
|Network Consultant (MFA)
Singapore
→
Summary
As Network Consultant at NCS Pte Ltd, I delivered 24/7 operational support, managed change implementations, and updated documentation to ensure seamless service delivery.
Highlights
Provided 24/7 operational support, successfully implementing network changes and updating documentation to ensure continuous service delivery and minimal disruption.
Fujitsu Asia
|Network Engineer (PSA)
Singapore
→
Summary
At Fujitsu Asia, I handled network incident response, service deployment, and operational continuity, participating in 24/7 managed service support operations.
Highlights
Managed network incident response and service deployment, ensuring operational continuity and minimizing downtime for managed service clients.
Contributed to 24/7 managed service support operations, maintaining high availability for critical network systems and adhering to strict service level agreements.
Education
Coventry University
Bachelor
Business Information & Technology
Nanyang Polytechnic
Diploma
Multimedia & Information Technology
Languages
English
Native
Chinese
Native
Hokkien
Conversational
Certificates
Palo Alto Networks Accredited Systems Engineer (PSE)
Issued By
Palo Alto Networks
ITIL v3
Issued By
AXELOS Global Best Practice
Cisco Certified Network Associate (CCNA)
Issued By
Cisco
Skills
Networking & Infrastructure
Global IT Infrastructure & Network Strategy, LAN/WAN Architecture, IPSec, VRF, VoIP, Network Optimization, SD-WAN (vManage), WLAN, Routing/Switching, Cisco IOS/IOS-XE, Cisco Meraki, MPLS, Wi-Fi, DNS, DHCP, RADIUS, Cisco Voice Gateway, Infrastructure Build, Performance Tuning, Network Migrations, Infrastructure Standardization.
Security
Palo Alto NGFW, Panorama, Zscaler ZIA/ZPA, Cisco ISE, Cloud Security.
Cloud & Collaboration
M365 (Microsoft 365).
Operations & Service Management
Automation, Incident & Problem Management, ITIL-based Service Delivery, Service Now, 24/7 Operational Support, Proactive Monitoring, Infrastructure Documentation.
Leadership & Project Management
Team Leadership, Stakeholder Engagement, Project Leadership, Vendor & Contract Management, Cross-functional Collaboration, Continuous Improvement, Strategic Planning, Global Roadmap Execution.