Active Directory, DNS, DHCP, VPN, ISA Firewall with GFI Monitor lately replaced with Squid, IIS Manager, Perfmon, Visual Source Safe administration, Jira administration , SQL Server 2008 R2 administration, ESX Server 5.1 administration ,Vsphere Client, VMware, Trixbox 2.6, Centos 5.8. Accomplished Network/systems administrator with 2 years of experience managing server infrastructures across multiple platforms (Linux, Windows). Effectively plan, install, configure and optimize the IT infrastructure to consistently achieve high availability and performance.Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.