Certified Network Engineer (CCNA, CCNP, Huawei HCIA) with strong hands - on experience in telecom and IT environments. Skilled in Cisco routing & switching, ASA firewall, Linux administration, and CCTV installation. Experienced in configuring and troubleshooting routers, switches, firewalls, servers, access points, and CCTV systems. Solid knowledge of VLANs, DHCP, DNS, NAT/ PAT, IP subnetting, VPNs