Have an experience of more than 10 years in designing , implementing and maintaining the systems infrastrcuture i.e. Activedirectory infrastructure,( DNS, DHCP, DFS/File Systems,GPO) Exchange mailing sysytem ( Exchange 2003, 2007,2010 and 2013) SBS, ISA/TMG and Powershell scripting 2.0 and 3.0 ( automating AD, Exchange migrations, installations, disk configurations and management ) , creating custom scripts as per the customer's requirements . And a mediocre knowledge in .NET as well. Have worked as a full time employee for companies like Microsoft, HP, HSBC, Helios& Matheson.worked on various projects on AD,Exchange migration and automated the process of migration, installation of the Exchange servers and Windows O/S by writing code using Powershell 2.0/3.0, VB Script.MCP,MCSE,MCITP certified in Windows 2003, 2008, Exchange server ( 2003,2007,2010)