LEON WANG

Friendly Technical Support Representative keen to help customers maximize product impact and usability. Amiably replies to all customer queries and consistently resolves client issues. Committed to improving user satisfaction numbers and supporting return patronage across all supported products.

• CCIE - Routing and Switching, #53808
• CCIE - Security, #53808
• CCIE - Wireless, #53808
• MCSA - Windows Server 2012
• MCSE - Cloud Platform and Infrastructure
• VCP6 - Data Center Virtualization

Australia citizenship

Delivered Tier 1–3 technical support across Windows, macOS, and Linux environments, ensuring minimal downtime and high user satisfaction., Installed, configured, and maintained end-user hardware, Microsoft 365, and enterprise applications for 200+ users., Resolved incidents through Jira/ServiceNow ticketing systems, consistently meeting SLA targets., Administered Active Directory, Group Policy, and Exchange Online, managing user accounts, permissions, and email systems., Deployed and maintained Windows Server and VMware/Hyper-V virtual environments, improving resource utilization., Implemented backup, patching, and system monitoring strategies to strengthen availability and compliance., Configured and supported enterprise networks including switches, routers, firewalls (Cisco, Fortinet, UniFi, WatchGuard, Sophos), and VPN services., Conducted network monitoring, traffic analysis, and troubleshooting to optimize performance and security., Assisted in network design and segmentation (VLANs, DNS overrides, SSL-VPN) to enhance scalability and resilience., Supported cybersecurity operations with Microsoft Defender, endpoint security, and vulnerability remediation., Led Microsoft Azure cloud projects, managing virtual machines, network design and setup, Azure Backup, and deploying Site-to-Site (S2S) and Point-to-Site (P2S) VPN solutions., Enforced security best practices and compliance standards through user awareness training and access controls.