Sr. Windows Systems Administrator SUMMARY: Full Stack Certified Senior Infrastructure Security Specialist with over Eight years of experience in administration, implementation, and support of Windows, Active Directory, VMware technology, client/server hardware, software, peripherals, and networked systems, End User Computing and proven success in delivery on time. Active Directory Infrastructure 2003/2008 design, plan, implementation, configuration and in depth administration knowledge including Group Policy Management. Managed Windows 2003 / 2008 Active directory Multi Domain Network, Define users, groups, Policies, Trusts, user access and permissions Installed , configured and administered DNS servers, DHCP server Installed, configured and administered WSUS server for enterprise patch management. Proficient with software packaging and distribution using SCCM server. Creation, Management and Configuration of Virtual Machines, Clone and Templates. Strong foundation and experience in VMWare ESX 5.0 and Virtualization Technology, Vmotion, ESX Cluster etc Managed system/support teams, made of 15 members in supporting a total of 5000 users Analysis of project/business requirements and designing IT infrastructure for optimal performance Extensive experience of monitoring and support tools An effective communicator with demonstrated organizational abilities in diagnosing resolving complex issues Adept in installation / configuration, troubleshooting of networking components Experience in management of LAN, integrating a range of hardware and software platforms Deployment, maintenance and support of production environment. Strong understanding of ITIL v3 / V11 for entire infrastructure process. Evaluated and configured company's vCloud Director 5.5 for VMware, including creation of templates for server and clients for easy deployments. Designed, implemented and configured Citrix Infrastructure which includes Citrix XenApp 6.5 and Web Interface 5.4. Proposed and successfully implemented new backup solution for all mission critical servers. Designed and implemented systems policies. Designed and Implemented servers Infrastructure for new clients Upgraded TFS Infrastructure from Team Foundation Server 2010 to 2012. Upgraded Tivoli Server Management from 5.6 to 6.4 Installed and configured VMWare ESXi on multiple physical servers and performed P2V conversions on over 40 servers for hardware consolidation and cost savings for the organization. Designed and built over 50 servers with Windows 2008, RedHat Enterprise, and Ubuntu Server.

Experience in Performance Monitoring of CPU, Memory, Disks, and Network using various monitoring tools like glance, SAR and top. Configuration of Citrix server policies, Load Management and Printers in the Farm. Responsible for analyzing, planning, installing configuring, testing, maintaining, documenting, and providing technical support for Microsoft Active Directory and Citrix Metaframe Environment. Expertise in Microsoft SQL Server 2003, 2007 2012, Microsoft Office SharePoint Server MOSS2007 . Expertise in User Group Security administration, backup recovery. Expertise in IBM Tivoli Storage Administration. Managed backup and restore for around 1000 production servers. Experience handling Disaster Recovery exercise using various tools like VMware SRM, Recovery Point SAN tools used for data store replication Root cause analysis, Troubleshooting, 24/7 support and handling of severity tickets. Performed system software/hardware upgrades, updates, and patches. TECHNICAL SKILLS Operating Systems: Windows 2003/2008/ESX 5.0, Windows 7 / XP, Linux. Messaging Platform: Exchange 2003/2007/2010 Patch Management: WSUS 3.1, IBM TIVOLI Methodology / Framework: Active Directory 2003/2008 Remote Management: Cisco KVM Console Switch, DELL ILO /DRAC , VNC / RDP / Virtual Tools: VMware, Virtual Centre, VMware ESX server, MS Virtual server, MS Virtual PC, VMware vSphere 4.x/5.x Monitoring Tools: Microsoft Tools, Host monitor 9.90 Design/CASE Tools: MS Project, Excel Miscellaneous: IIS 6, Print Server, File Server, , Citrix, SharePoint, SQL Server Network Services: WINS, DNS, DHCP, FTP, SMTP, POP3, IIS, Terminal service

EXPERIENCE Senior Infrastructure Security Specialist Confidential Roles and responsibilities: VMware Administration Manage VMware Infrastructure includes configure and maintain UCS and ESX 4.1,5.0 and 5.1 Servers. Troubleshoot network storage Server related issues. Provide new Virtualized environment as per the requirement. Backup Restore Administration Configure and manage Backup restore of Production Servers. Troubleshoot backup related issues with IBM TSM 5.6 and 6.4 Windows Server Administration Configure and manage Windows Servers 2003, 2003 R2, 2008, 2008 R2, 2012. Troubleshoot Performance related issues with the servers. Create and configure new Servers Physical and Virtual as per requirement. Active Directory Administration Active Directory Replication. File Replication. Active Directory Restore. Group Policies. Account Lockouts. Authentication Security issues. FSMO Role Maintenance, GC DCPROMO. Local Security Authority Subsystem Service Net logon issues. Schema Upgrades. Active Directory Trust. Time Synchronization / Skew maintenance. Terminal Services Licensing. User profile Corruption creation of terminal services roaming profile issues. Metadata cleanup Citrix Administration Create, Configure and manage Citrix XenApp 6.5 Servers. Publish and manage Application on Citrix servers. TFS Administration Create, Configure and manage Microsoft Team Foundation Server 2010 and 2012. Troubleshoot any issues related to TFS Server. IIS Administration Sharepoint Administration Manage Sharepoint sites, user access control. Application Deployment Production deployment with In-house .net based application. WSUS management Manage patches on around 2000 Development, Testing and Production Windows Servers. Storage Administration Work on failed drives with IBM DS4500, DS4800 and DS8300 Monitored Production servers 24/7 using monitoring tool Host monitor 9.90. Microsoft SQL Administration Configure backup jobs perform regular restoring of Databases from Production to Dev or QA environments. Environment: Windows Linux Software Tools: VSphere, AD, IBM TSM Total servers: 1000 Microsoft Server Security Support Consultant Confidential Roles and responsibilities: Troubleshooting Active Directory related Issues namely: Manage Active Directory Replication across sites. Manage File Replication. Work on Active Directory Restore. Managing of Group policy objects GPO , Create or remove Trust relationships Troubleshoot issues related to Account Lockouts. Troubleshoot Authentication Security issues. FSMO Role Maintenance, GC DCPROMO. Local Security Authority Subsystem Service Net logon issues. Manage Schema Upgrades across multiple domains. Active Directory Trust. Work on issues related to Time Synchronization / Skew maintenance. Manage and maintain Terminal Services Licensing. User profile Corruption creation of terminal services roaming profile issues. Perform Metadata cleanup for failed Domain Controllers. Manage and maintain DNS/DHCP. VMware Administration Includes installation configuration and monitoring Exchange Administration Includes installation configuration and monitoring Environment: Windows Software Tools: Active Directory Team Size: 100 Total servers: 5000 Confidential: Create, delete, and modify users in Active Directory. Worked on exchange, file print servers. Managing access control with several applications. Troubleshooting network related issues. OS and Hardware Troubleshooting Managing and maintaining VPN infrastructure. Worked on Incident and request management. Monitoring Production servers using various Microsoft Monitoring tools. Maintained and supported 1500 Windows servers with about 35000 users. Support and maintain multiple domain Microsoft Active Directory 2003 environment Patching the Production Servers during the green zone window with security patches. Security and Compliance Guidelines. Migrated Windows 2000 servers to 2003 and 2003 servers to 2008 servers. Environment: Windows Software Tools: AD Team Size: 100 Total servers: 1000