Systems, Storage, Visualization, Cloud (Azure / AWS), Security and Network Administrator : Managing and Maintaing of Servers - 2016, 2012, 2008, 2003 Servers, AD, DNS, DHCP, IIS, Networks, Routers, Firewalls ( WatchGuard, Sonicwall, Checkpoint, Juniper), L3/L2 Switches, SAN, NAS, Installations (Hardwares and Operating Systems), Clustering, Edge Water, IP Phone, MTA Box, Web Security, Websense, Mail Servers (Office 365), Mailing Servers, VOIP IP Support, Antivirus Server, WSUS Server, Security Software's, EPBX.