// README.md
I am a results-driven Senior IT Support Technician Level 3 with over 10years experience, experience in network Infrastructure with years of progressively supporting enterprise IT operations, security administration, and multi-site connectivity. Skilled in designing and implementing complete network infrastructure, configuring firewall (FortiGate 60F, 90F and SonicWall firewalls), VLAN segmentation, routing, switching, VPN connectivity, MikroTik point-to-point radio links, CCTV configuration and implementation, Access control system, Microsoft Server-Active Directory, Microsoft Azure and Microsoft 365 environments. I am recognized for strong troubleshooting ability, technical documentation, and dependable Tier 2/3 support.
// Experience
01
Snr. IT Support Technician
Infrarose Sarlu
Jan 2026 — Present
• Design and implement complete network infrastructure for business operations across sites, from planning and IP scheme design to deployment and optimization.
• Configure and support enterprise network systems including firewalls, switches, wireless devices, structured cabling, internet connectivity, and network security controls.
• Design IP addressing plans, VLAN architecture, routing paths, and network segmentation to improve performance, access control, and security posture.
• Install, configure, and maintain FortiGate firewalls, security policies, NAT, routing, VPN connectivity, and related network services.
• Deploy and maintain CCTV, access control, and other integrated security systems as part of end-to-end infrastructure delivery.
• Monitor network performance, troubleshoot connectivity issues, and resolve infrastructure faults to ensure high availability and business continuity.
• Document network diagrams, configurations, asset deployments, and technical procedures for administration and future maintenance.