• Designing Windows Active Directory & Microsoft Exchange Migration• Responding to RFPs / RFIs on IT Infrastructure Management• Providing Solutions & Estimations for Datacenter Migration, Wintel, Active Directory & MS Exchange for Migration/Upgrade or Support based projects• Providing Solutions & Estimations for Infrastructure Testing• Presenting Solutions to Customers, responding to queries, Update Solutions & Submit revised solutions and estimates

•Done transition for Wintel and Messaging for 10+ sites•Deputed in Lake Forest, Chicago, IL, USA for 8 months for transition, secondary/primary support and steady state•Managing team of 15 working from 3 different location in US & India•Administering and troubleshooting Windows Server NT / 2000 / 2003 2008 running on HP, IBM eServer and Dell hardware•Data center management•Managing Windows 2003 AD, DNS & DHCP consists of 72 DCs in 47 sites•Managing Windows 2003 / 2008… Show more •Done transition for Wintel and Messaging for 10+ sites•Deputed in Lake Forest, Chicago, IL, USA for 8 months for transition, secondary/primary support and steady state•Managing team of 15 working from 3 different location in US & India•Administering and troubleshooting Windows Server NT / 2000 / 2003 2008 running on HP, IBM eServer and Dell hardware•Data center management•Managing Windows 2003 AD, DNS & DHCP consists of 72 DCs in 47 sites•Managing Windows 2003 / 2008 DFS consist of 5 links and 45 replication group•Managing IIS/FTP/File/Print/SQL/Exchange Server and Clusters on Windows 2003 and Exchange CCR cluster on Windows 2008•Managing Exchange 2003 & 2007 consists of 14,000 mailboxes, Blackberry 5.0 of size 3000 accounts & OCS 2007•Managing VMware ESX 3.5 & Citrix PS 4 / 4.5•Capacity, Patch & Problem Management•Plan, Execute & Track Asset refresh projects•Executed LEAN project for ticket reduction to stabilize monitoring & operationsProject 2: Global Messaging Infrastructure Support•Administration and Troubleshooting of MS exchange server 2003 organization, Blackberry Enterprise Server 4.1.6 & OCS 2007 server•Administration and Troubleshooting Postini message security & Trend Micro Email Security products•Incident, Problem, Change, Patch and Capacity management•E-Mail Domain migration and hosting using Postini•Resolving escalated Exchange server issues by divisional administrators.•Administration and Troubleshooting of RGC/SMTP connectors, RUS issue / Recipient policy issue and Bright store backup issues•Inter/Intra Site Mailbox migration requests from multiple divisions•Recovery/ Reconnection of deleted mailbox•Monitoring exchange servers using Net-IQ•Conducting review with customer and service delivery head•Managed team of 12 which provided 24/7 support•Implemented ITIL best practices as part of ISO 20K certification•Executed LEAN Project to reduce cycle time which provided cost saving of Rs.9 Lakhs Show less

Project 1: Hosted Mail and Web Server Support Duration: Jan 2001 to Mar 2002•Managing hosted Mailbox Servers of 1500+ mailboxes•Managing Web / FTP Servers of 200+ web sites•Managing Windows NT 4 / 2000, MS-SQL 7 & 2000 ServersProject 2: IT Infrastructure Management Duration: Apr 2002 to Sep 2003•Infrastructure Management for CUMI Ltd consists of 15+ locations•Managed the IT infrastructure•Server Management – Domain Controllers, Mail, Citrix and SQL… Show more Project 1: Hosted Mail and Web Server Support Duration: Jan 2001 to Mar 2002•Managing hosted Mailbox Servers of 1500+ mailboxes•Managing Web / FTP Servers of 200+ web sites•Managing Windows NT 4 / 2000, MS-SQL 7 & 2000 ServersProject 2: IT Infrastructure Management Duration: Apr 2002 to Sep 2003•Infrastructure Management for CUMI Ltd consists of 15+ locations•Managed the IT infrastructure•Server Management – Domain Controllers, Mail, Citrix and SQL Servers•Configuring and Managing DNS, DHCP, RAS, TS and file/print server•Done Transition, Maintained, stabilized operations and documenting process/proceduresProject 3: MS-Exchange Server Management Duration: Oct 2003 to Mar 2004•Managed 8 sites of Tube Investment, Chennai•Troubleshooting Domain, Exchange 5.5 and User related Incident / SR•Managing and Troubleshooting directory replications & mail flow problem•Planned and implemented new bridgehead serverProject 4: IT Infrastructure Management Duration: Apr 2004 to July 2004•Managing IT Operation of customers from New Delhi, Ludhiana & Chandigarh•Designing and Implementation of entire IT infrastructure for new branches Cholamandalam MS General Insurance & Gallup MBA•Installed and managed Windows 2000 AD, Exchange Server 5.5, Cisco router and switchesProject 5: Data Center & LAN Consolidation Duration: Aug 2004 to Oct 2004•Designed new layout for Data Center for Murugappa Group, Chennai•Planned various infrastructures like Power, Ventilation and Fire Control, Switch port requirement, rack space and number of racks•Implemented Raritan switch for remote server managementProject 6: Exchange Server Migration Duration: Nov 2004 to Jan 2005•Designed, executed project to migrate mailboxes from ALT-N Mdaemon to MS Exchange 2000•Designed Windows 2000 AD and Exchange 2000 structure sites and Servers•Performed Schema upgrade, AD migration using ADMT and domain upgrade from NT 4.0 to Windows 2000 Show less