Installation, configuration and administration of networks and computer equipment, servers and servers with Windows Server 2003, 2008 and 2012 operating systems (Active Directory, DNS, DHCP, NAS, SAS), Routers, Access The brands cisco, mikrotik and ubiquiti. Technical support to the end user, Structured cabling, VPN (Site to Site, ezvpn, DMVPN, GRE Tunnels, PPTN, IPSEC), Routing Protocols (RIP, EIGRP, OSPF, BGP) .Voip (Elastix, Asterisk, FreePBX) Calls and CCME, Script with Microsoft PowerShell.