Installation: Windows operating system "Windows Server 2008" Linux operating system '' Fedora - Ubuntu ''. Configuration: -Configuration: DHCP, DNS, IIS, FTP, Active Directory on Windows Server 2008- -Management of Groups, User Accounts and Computers. - installation and configuration of the servers of the supervision '' Nagios - Zabbix '' - Configuration of Proxy-Outlook. -Configuring Cisco Equipment, Switch and Router. Maintenance of computers and printing. Computer and electrical cabling