All Services Programming & Development System Administration $20/hr · Starting at $25 Knowledge of Windows Server, all versions and some Linux version. Able to install, configure, maintain and upgrade all of these operating systems. I can also configure, maintain and optimize DNS, DHCP, WSUS and desktop systems. About $20/hr · Ongoing Download Resume Knowledge of Windows Server, all versions and some Linux version. Able to install, configure, maintain and upgrade all of these operating systems. I can also configure, maintain and optimize DNS, DHCP, WSUS and desktop systems. Skills & Expertise Blackberry Enterprise ServerDhcpDNSFirewallsLinuxMac OSMac Os XMicrosoftOperating SystemsVMwareVmware EsxWindowsWindows DesktopWindows Server 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Windows Desktop ApplicationsMac OS DevelopersWindows Server ExpertsMicrosoft DevelopersFirewall ExpertsActive Directory ExpertsVoIP ServicesBlackberry DevelopersDNS ServicesOperating System Services