ISO 27001, MS Servers, Microsoft Office, As400, Linux, Oracle, Network Tech., Hardware, Software, Security & Solutions, Crystal Reports, Vmware (v4.1, v5.0, v5.5, v6.0 -VCA-), As400, Cisco, SQL, NAP, NAT, IIS, ERP, TCP/IP, WAN, LAN, DHCP, WSUS, IVR, Data Loss Prevention, Switch, , Wireless Tech., Veeam, Switch, Backup Tech. Veeam, Arcserve,Symantech Backup Exec, Firewall, Exchange Server, Terminal Server, File Server, Sql Servers, Manage Engine ( OpManager, AD Audit, Service Desk, Password Manager)