Network technician in Doha who installs, configures, maintains, and troubleshoots LAN/WAN/Wi-Fi infrastructure — switches, routers, firewalls, access points, servers, and structured cabling — while monitoring performance, configuring IP/VLAN/VPN/DNS/DHCP services, and supporting end users. Cisco familiarity and CCNA/CCNP/Network+ certification are valued.