Edmund Ong
Singapore
Summary
People-oriented IT Network & System Administrator with 7+ years of experience managing global IT infrastructure, network security, and cloud environments. Adept at bridging the gap between complex technology and everyday users, delivering scalable and secure IT solutions across enterprise environments. Proven track record in automation, cybersecurity, and cloud services, optimizing operations while ensuring compliance with industry standards. Experienced in cross-cultural collaboration across Europe and Asia, combining deep technical expertise with strong communication skills to drive innovation and business efficiency. Passionate about streamlining IT processes, enhancing security, and empowering teams with reliable, user-focused technology solutions.
Overview
9
9
years of professional experience
Work History
IT Network & System Administrator
Green Giraffe Asia Pacific Pte Ltd
05.2023 - Current
- Company Overview: Global IT Support & Collaboration
- Provided 24/7 IT support, bridging cultural and technical gaps between European and Asian teams
- Built and maintained relationships with international stakeholders, ensuring seamless IT operations across time zones
- Mentored cross-regional team members in technical skills while promoting cultural awareness
- Led user-centric implementation of Microsoft Intune & Windows Autopilot, reducing setup time by 60% while ensuring a smooth onboarding experience
- Administered Microsoft 365 (M365) environment, managing licenses, user accounts, and security settings
- Managed Active Directory & Group Policy, simplifying user access control and enhancing network security
- Configured and secured firewalls & network devices, fortifying the network against cyber threats
- Proficiently maintained Windows & Linux server environments, ensuring 99.9% uptime and uninterrupted service availability
- Managed and resolved IT incidents and service requests through the Freshservice ticketing system
- Assisted with ITSM (IT Service Management) practices, ensuring efficient IT operations
- Delivered rapid, accurate responses to system performance inquiries, maintaining high customer satisfaction
- Diagnosed and resolved network, server, and security issues, minimizing downtime
- Installed critical security & functionality patches, maintaining optimal system protection
- Ensured smooth transitions during hardware & software upgrades, minimizing disruptions
- Conducted routine security audits & vulnerability assessments, proactively addressing system weaknesses
- Developed and implemented disaster recovery plans, ensuring minimal data loss in critical incidents
- Oversaw file system & storage upgrades, safeguarding data integrity and redundancy
- Administered cloud infrastructure (AWS, Azure, GCP), optimizing resources and reducing costs
- Managed email systems (Exchange, Office 365, G Suite), ensuring smooth communication and minimal downtime
- Assisted the IT Manager with quarterly reports, analyzing IT performance, incident trends, and security compliance
- Created user-friendly documentation, translating technical concepts for global teams
- Authored and updated system configurations, troubleshooting guides, and SOPs
- Increased workplace efficiency by ensuring seamless integration of new applications
- Global IT Support & Collaboration
Regional IT Support Engineer
Campari Singapore Pte Ltd
03.2021 - 04.2023
- Provided personalized technical support to VIP clients, ensuring seamless IT experiences
- Cultivated strong relationships with executive stakeholders, delivering proactive solutions to IT challenges
- Maintained high user satisfaction ratings by resolving complex technical issues with clear, empathetic communication
- Led multi-site IT execution strategies, aligning work orders across three locations to optimize resource allocation
- Developed and implemented VPN solutions, balancing security requirements with user-friendly accessibility
- Performed preventive network maintenance, achieving a 99% average uptime
- Built and managed IT asset management systems, improving resource tracking and allocation
- Designed and implemented structured cabling & network infrastructure to support future scalability
- Orchestrated major office renovations, coordinating with multiple stakeholders to ensure minimal disruptions
- Developed cross-functional IT strategies, aligning IT needs with business objectives
- Led junior IT staff mentoring, fostering both technical and soft skills development
- Built strong relationships with vendors & contractors, maintaining a focus on employee productivity and comfort
- Developed and implemented multi-layered security strategies, including firewall configurations and endpoint security
- Ensured compliance with IT security best practices, safeguarding company data and systems
- Managed IT audits & risk assessments, proactively addressing security vulnerabilities
- Provided empathetic IT support across multiple channels, consistently receiving positive feedback
- Developed streamlined IT processes, considering both technical requirements & user experience
- Built strong relationships with overseas staff, enhancing cross-cultural communication and IT support
- Managed and maintained Microsoft 365, Exchange, and cloud-based collaboration tools
- Deployed virtualization & cloud infrastructure (AWS, Azure) to optimize IT operations
- Implemented backup & disaster recovery solutions, ensuring business continuity
- Created technical documentation & SOPs, improving knowledge sharing and troubleshooting efficiency
- Developed IT asset tracking & reporting systems, optimizing procurement and inventory management
IT Administrator
Premium Automobiles
03.2017 - 03.2021
- Installed and configured computer hardware, software, networks, printers, and servers for all Singapore offices
- Managed Windows patching & OS imaging, ensuring up-to-date security and stability for new notebooks
- Administered the company email server via cPanel, ensuring reliable and secure email communication
- Oversaw Kerridge system administration, handling account creation, POS operations, end-of-month company reports, and warehouse stock-taking reports
- Provided professional technical support to VIPs and employees via phone, email, Skype, and MS Teams
- Troubleshot and resolved hardware & software issues, escalating critical incidents when necessary
- Repaired or replaced defective parts and IT equipment, minimizing downtime
- Conducted IT onboarding & training for new hires and junior IT staff, enhancing system productivity
- Managed IT asset tracking & documentation, ensuring efficient device allocation and lifecycle management
- Supported warehouse operation tools, including label printers, handheld scanners, and desktops
- Organized the annual IT asset disposal process, liaising with third-party vendors for environmentally responsible e-waste disposal
- Set up and maintained VPN configurations, ensuring secure remote access for employees
- Coordinated with third-party vendors for CCTV, phone system, and server hardware troubleshooting and upgrades
- Led special projects, including server upgrades, equipment installation, PABX system deployment, and office renovations
- Conducted new software testing and assisted with company-wide IT system rollouts
- Managed procurement by obtaining competitive IT hardware & service quotations, optimizing IT budget efficiency
- Created and maintained installation guides & IT asset records, ensuring consistency in IT operations
- Documented standard operating procedures for IT systems and troubleshooting
IT Operations & Support Engineer
Thatz International
01.2016 - 02.2017
- Provided technical support via walk-in, phone, email, and Skype/MS Teams, ensuring quick resolution of IT issues
- Diagnosed and resolved hardware, software, and network issues, minimizing disruptions
- Assisted in developing long-term IT strategies to meet future organizational needs
- Supported cross-regional staff, ensuring seamless IT operations for overseas employees
- Installed, configured, and maintained computer hardware, operating systems, and enterprise applications
- Managed Active Directory (AD) user accounts, handling account creation, permission management, and security policies
- Monitored and maintained computer systems & networks, troubleshooting connectivity and performance issues
- Collaborated with cross-functional IT teams to resolve application and network problems efficiently
- Managed the company's ticketing system, ensuring tickets were resolved within SLA targets
- Created and assigned tasks to different IT support teams, streamlining issue resolution
- Coordinated with third-party vendors for hardware and application-related issues
- Submitted email account creation requests and configured email accounts for new hires
- Administered Pegasus System, ensuring smooth user access and operations
- Assisted in IT project scheduling and execution, supporting various IT initiatives
Education
NITEC - Infocomm Technology
ITE College East
12.2013
Skills
- Windows Server Administration
- Active Directory
- Group Policy
- DNS
- DHCP
- Linux System Administration
- Unix System Administration
- Ubuntu
- CentOS
- Red Hat
- Virtualization
- VMware ESXi
- Hyper-V
- Proxmox
- Cloud Services
- AWS
- Azure
- Google Cloud
- Storage Solutions
- Backup Solutions
- Veeam
- Synology
- NAS
- SAN
- PowerShell
- Bash Scripting
- Network Configuration
- Routing
- Switching
- VLANs
- Subnetting
- Firewall Management
- Security Management
- FortiGate
- VPN Setup
- IPSec
- OpenVPN
- WireGuard
- Network Monitoring
- Zabbix
- PRTG
- Nagios
- Wi-Fi Setup
- Wi-Fi Optimization
- Cybersecurity Best Practices
- Compliance
- Microsoft 365 Administration
- Exchange Online
- SharePoint
- Teams
- Google Workspace
- Gmail
- Google Drive
- Google Admin Console
- Email Server Management
- Postfix
- Zimbra
- Microsoft Exchange
- Collaboration
- Project Management
- Confluence
- Jira
- End-User Support
- IT Asset Management
- Intune
- SCCM
- JAMF
- ITIL Framework
- Ticketing Systems
- ServiceNow
- Freshservice
- Cybersecurity Training
- Digital Marketing
- Affiliate Marketing
- Linktree
- TikTok Shop
- Hostinger Affiliate
Websites
Languages
English
Chinese (Mandarin)
Skills
Windows Server Administration (Active Directory, Group Policy, DNS, DHCP), Linux/Unix System Administration (Ubuntu, CentOS, Red Hat), Virtualization (VMware ESXi, Hyper-V, Proxmox), Cloud Services (AWS, Azure, Google Cloud), Storage & Backup Solutions (Veeam, Synology, NAS, SAN), PowerShell & Bash Scripting for Automation, Network Configuration (Routing, Switching, VLANs, Subnetting), Firewall & Security Management (FortiGate), VPN Setup (IPSec, OpenVPN, WireGuard), Network Monitoring (Zabbix, PRTG, Nagios), Wi-Fi Setup & Optimization, Cybersecurity Best Practices & Compliance, Microsoft 365 Administration (Exchange Online, SharePoint, Teams), Google Workspace (Gmail, Google Drive, Google Admin Console), Email Server Management (Postfix, Zimbra, Microsoft Exchange), Collaboration & Project Management (Confluence, Jira), End-User Support (Windows, Linux), IT Asset Management (Intune, SCCM, JAMF), ITIL Framework & Ticketing Systems (ServiceNow, Freshservice), Cybersecurity Training & Compliance, Digital Marketing & Affiliate Marketing (Linktree, TikTok Shop, Hostinger Affiliate), Content Creation (Faceless YouTube & Instagram)
Timeline
IT Network & System Administrator
Green Giraffe Asia Pacific Pte Ltd
05.2023 - Current
Regional IT Support Engineer
Campari Singapore Pte Ltd
03.2021 - 04.2023
IT Administrator
Premium Automobiles
03.2017 - 03.2021
IT Operations & Support Engineer
Thatz International
01.2016 - 02.2017
NITEC - Infocomm Technology
ITE College East
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