Systems Engineer at World Scientific Publishing Pte Ltd (2022-06 – Present)
- Manage IT infrastructure for HQ and overseas offices, including servers, networks, and security
- Maintain firewalls, routers, switches, Wi-Fi, and building network connectivity
- Administer Windows and Linux servers, ensuring availability, performance, and security
- Manage storage systems, NAS, and backup operations for local and remote servers
- Act as primary technical contact for AS400 / IBM i (IBMi) systems and vendor coordination
- Troubleshoot and restore user access to AS400, Profiler, Qlik, FTP, and file servers
- Administer Microsoft 365 (users, access, licensing, Teams, and mail services)
- Prepare and deliver ONIX metadata feeds to external partners via FTP
- Provide AV and event technical support, including after-hours or weekend support when required
- Liaise with vendors for IT procurement, renewals, ISP services, and maintenance contracts
- Provide guidance and supervision to junior IT staff, including the IT Executive
IT Administrator at Singapore G Pte Ltd (2012-02-01 – 2022-05-31)
- Designed, administered, and supported LAN/WAN networks, servers, and firewalls
- Managed Active Directory users, permissions, and departmental access control
- Installed, configured, and maintained Windows servers, desktops, and enterprise software
- Administered VMware ESXi and multiple virtual machines
- Managed the company's on-premises web server, hosting multiple domains
- Supported IP-PBX, IP phones, mobile devices, and video conferencing systems
- Led IT procurement, budgeting, and coordination with vendors and service providers
- Installed and maintained CCTV and building security systems
- Provided AV, event, and multimedia support
- Delivered basic web and graphic design support for marketing initiatives
Exhibition Designer at Sonam Yang Associates LLP (2010-10 – 2012-01)
- Created visual and technical solutions for exhibitions and events
- Managed event IT systems such as registration, SMS voting, and electronic raffles
- Set up and supported AV systems, sound, lighting, stage, and projection equipment
- Coordinated with designers, vendors, and event partners
IT Technical Support at Del Rosario Group of Companies (McDonald's, Kodak Express, Hotel Veniz, & Supermart) (2004-11-16 – 2010-08-25)
- Provided IT support across multiple business units and sites
- Installed and maintained CCTV security systems for McDonald's outlets
- Performed PC assembly, upgrades, troubleshooting, cabling, and networking
- Maintained and updated company websites
Graphic Artist/Technical Support at Computer Store, Inc. (2003-04 – 2004-07)
- Designed marketing materials (banners, brochures, posters)
- Assembled and supported desktop systems
- Set up and troubleshot local and wide-area networks