Plan and execute the integration of multiple information systems in a network environment, evaluate and resolve customer information system problems. Windows 7, Server 2008 R2, Microsoft Office, Active Directory, DNS, DHCP, Microsoft Software Center 2012, WSUS. Cisco Call Manager, Unity Messaging, Switches, Wireless Access Points, and Wireless Controllers. Linux Systems, Data backup, Asterisk IP Telephony, Zimbra Exchange System, Bind DNS. Virtualization Including VMware ESXi, vSphere Client, and vCenter Server.