• Secured and managed enterprise network infrastructure using Fortigate, Checkpoint, SonicWall, and other advanced firewalls.
  • Configured and maintained Zscaler ZIA to enhance internet security and enforce access control policies.
  • Designed and deployed Juniper SRX firewalls and QFX switches in cloud-based data centers with high availability and redundancy.
  • Implemented RADIUS (AAA) for secure WiFi access and centralized authentication using Windows NPS.
  • Delivered managed VPN solutions using WireGuard and OpenVPN on OpenStack public cloud infrastructure.
  • Configured and managed Unifi WiFi networks with captive portals and RADIUS MAC validation.
  • Deployed and maintained open-source applications including:
    • Cloud storage platforms and office suites
    • Web-based virtual desktop interfaces (VDI)
    • Reverse proxy services for secure traffic routing
    • SIEM (Security Information and Event Management) tools
    • Centralized infrastructure monitoring systems
    • Deployed opensource firewall solutions with pfSense and OPN-Sense
    • WordPress for self-hosted website and application deployment
    • Secure DNS filtering
    • Media sync and backup
  • Built full-mesh, tunneled, and encrypted connections between servers across the globe.
  • Implemented Zero Trust Network Access (ZTNA) with centralized authentication to secure internal and remote access.
  • Managed server patching, compliance, troubleshooting, and performance optimization.
  • Resolved enterprise-level network and system issues to ensure high availability and business continuity.

© : 2025