All Services Other Senior System and Network administrator $12/hr · Starting at $25 15 Years of experience in IT field as system/Network administrator. Microsoft Windows Servers , Exchange Servers, Office exchange 365, Vmware and Sonicwall firewall.. About $12/hr · Ongoing Download Resume 15 Years of experience in IT field as system/Network administrator. Microsoft Windows Servers , Exchange Servers, Office exchange 365, Vmware and Sonicwall firewall.. Skills & Expertise Administrative AssistantFirewallsMicrosoftMicrosoft Exchange ServerMicrosoft WindowsNetwork AdministrationNetworkingOffice AssistantServer AdministrationSonicWallSystems EngineeringVMware 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Microsoft DevelopersMicrosoft Windows ExpertsFirewall ExpertsMicrosoft Exchange Server ConsultantsNetworking ProfessionalsServer AdministratorsOffice AssistantsNetwork Administrators