Twenty years of experience providing high-level technical consulting and support for various applications, services, operating systems, virtual platforms, clients and servers in large enterprise environments.Advanced knowledge of Microsoft Windows server and client platforms from initial MSDOS-based releases through Windows Server 2012 R2\10.Knowledgeable in various server-based computing technologies including Citrix XenApp\XenDesktop, MS Remote Desktop Services and MS App-V.Experienced with various virtualization platforms including VMWare ESXi, MS Hyper-V, and Citrix XenServer.Familiar with emerging cloud technologies including SaaS, IaaS and PaaS offerings from various service providers. Skilled in Microsoft Active Directory Services implementation, maintenance, troubleshooting and support.Strong understanding of computer networking including DHCP, DNS, WINS, RRAS, VPNs, firewalls, etc.Proficient in several scripting languages including Visual Basic Script, Windows PowerShell, JavaScript, HTML and batch script. Working knowledge of ITIL v3 best practices for IT service management.