Han Yong Lim

Supported Head of Technology Services in executing strategy for shared services across Infrastructure and Network Management. Led hybrid delivery model with 3 direct reports and ~40 Accenture resources. Managed service delivery governance, budgeting, and cost recovery.

Pioneer IT infrastructure employee establishing Singapore operations. Led team of 26 IT professionals across 5 countries (Singapore, Belgium, Indonesia, Papua New Guinea, Ivory Coast). Supported Global CIO in strategic planning for 1,500+ knowledge workers overseeing 23,000+ employees.

• Program SEED: Global consolidation: OneMail (Office 365), OneIdentity (Azure AD Connect SSO), OneNET (SD-WAN)
• Replaced legacy network across 100,000+ hectares with Cisco Meraki (Indonesia) and Cambium (Papua New Guinea)
• Designed and implemented Azure Landing Zone architecture
• Migrated from CheckPoint to Palo Alto Firewalls globally; GlobalProtect VPN with SAML SSO
• Built 6 production MCP agents: 40% reduction in manual tasks, 60% faster incident response

Managed country Infrastructure department of 8 people supporting IT operations for 2,000+ employees. Provided critical IT infrastructure support for major enterprise customers including Apple, Cisco, and Intel.

• Led IT infrastructure for flagship EUR 101M Red Lion warehouse: IT/OT integration supporting AGVs, robotic systems, and Pick-to-Light. 100% productivity increase, 40% lead time reduction
• Led resolution of 20,000+ HIGH/CRITICAL vulnerabilities using Nessus and Rapid7
• Managed datacenter operations (Singtel Kim Chuan 2) with 600+ VMs across 3 vSphere clusters
• Implemented server hardening using CIS guidelines with Ansible automation

Managed Linux servers (Red Hat, SUSE) and VMware vSphere clusters with 1,500+ VMs. Automated tasks using Ansible for patching, health checks, and security hardening (CIS/NIST).

Executed comprehensive virtualization migrations: P2V, V2V (Hyper-V to XenServer to VMware vSphere). Implemented VMware Horizon 7 VDI. Deployed Traefik reverse-proxy with automated Let's Encrypt SSL. Implemented Atlassian JIRA Service Desk for CMDB with integrated ITSM.

On-site infrastructure support in tier-1 investment banking environments, seconded to Credit Suisse and Deutsche Bank under Hewlett Packard Enterprise (HPE). Managed mission-critical server infrastructure supporting trading floor systems with 99.99% uptime SLAs. Executed change management following financial services protocols and regulatory compliance (SOX, Basel III, MiFID).