Hardware Intel, IBM, Dell, HP and Compaq including Servers, Desktop workstations, Laptops and other network devices Routers and switches Cisco 2500, 2600, 3600 series router, Cisco 2509 & 2511 access servers, Cisco 2900 series catalyst switches. Operating Systems (Platforms) NT server 4, Dos, Windows 2000/2003/XP/Vista, Mobile 5.0, server and workstations Systems software and Tools/Services  Full command in installation, configuration and maintenance of DNS, IIS, DHCP, SMTP, WINS, NFS, VPN, DFS, FTP, Samba, NIS, NTP, RPC, Web Server (IIS) Mail server (Mail enable, Ms Exchange 2003/2007,) proxy (MS proxy & ISA)  Ethernet (TCP/IP), Internet network and serial communication (VPN, DSL) & Wireless technologies  Performance monitoring and tracking tools with audits for logging, Remote Administration of LAN and WAN Servers, Desktop workstations including running corporate applications/software's  Scripting, Directory replication, fault tolerance (Raid), RAS, RRAS, Active dire