SUMMARY:

Systems Administrator with 7+ years of hands on industry experience, specializing in implementation, configuration and administration of different Operating systems and VMware for Windows 2000 Server, Windows 2003/2008 Server. Core roles & responsibilities are:

• VMware ESX 4.0 and 3.x administration primarily using VMware vCenter and pUTTY
• VMware Converter (for P2V conversions)
• Windows Server 2008, 2003, 2000, NT TSE, NT EE
• HP BL/DL/ML Servers, HP Itanium and Stratus FT Servers setup and OS support
• Administration of Citrix XenApp, Citrix Presentation Server and Terminal Services
• Boot from SAN and multipathing
• Disaster Recovery, Bare Metal and Redbook server and file level restores
• Windows / VMware SME 1st and 2d level support
• Clustering Solutions - Microsoft Cluster Services multi-node clusters for mission critical File Systems, Database, and Applications

CERTFICATIONS:

• VCP410 - VMware Certified Professional - vSPHERE 4
• VCP510 - VMware Certified Professional - vSPHERE 5
  

EDUCATION:

• M.S in Computer Science
• B.S in Computer Science

Systems & Technologies:

• WindowsOS - XP Professional, Vista Ultimate, Windows 7 Ultimate, Windows 2000 Server to Windows 2008 Server.
• Virtualization - VMware v2.0, Sun VirtualBox v3, ESXi v4.0, vSphere and vCenter v4.0
• Change Management - Remedy, HP Open View Service Center.
• Backup & Restore - NT Backup, TSM, CBMR and TBMR.
• Policy Implementation - Documented, recommended, altered and implemented IT procedures for Data Center (s)
• Remote Access - Putty, Telnet, SSH Explorer, SSH, VNC, Terminal Server, Remote Desktop (RDP) and Remote Assistance
• Users Access Rights - Active Directory, NT System Policy.
• Scripting - DOS Batch, Windows Host Script (CScript, WScript and WSF), VBScript and Automation.
• Hardware - HP Proliant Servers, HP Blade Servers, Dell Servers

Professional Experience:

Client: Confidential
Title: Windows System Administrator (Project Team).
Duration: Sep 2011 - Current.
Oncor/EFH

Description: At EFH\'s portfolio of energy companies - TXU Energy, Luminant and Oncor. EFH datacenter was shared by Oncor. EFH and Oncor is in the process of separating there servers from the datacenter. New datacenter were built in Oncor. Wintel Project team is responsible for migrating the servers from EFH to Oncor which Includes P2V, V2V, decommissioning the old servers and active directory migration.

Responsibilities:

• Migrated servers from EFH to Oncor through P2V and V2V.
• Build servers according to the client request.
• Maintained VMware 4 environment for over 20 Hosts
• Experience in building servers 2003 and 2008 x86/x64 based environments.
• Building DR site for the existing Production environment.
• Involved in DAG balancing, User mailbox moving and VIP implementation in Exchange 2010
• Involved in decommissioning the old servers in Legacy environment.
• Involved in AD Migration to change Host and Domain Name change. Quest Migration tool is used to migrate users and share drive permissions.
• Worked on Planning, Designing and implementing all the process related to migration.
• Coordinate with Application team to prepare integrated wave analysis, cutover plan, Infrastructure and Application Analysis document and Migration Approach documents.

Client: Confidential
Title: Windows System Administrator (Technical Lead).
Duration: Jan 2010 - Sep 2011.

Description: Confidential, is a global pharmaceutical company and applies science and its global resources to improve health Pfizer have nine diverse health care businesses. Global and regional SS NA Local Microsoft VM SVR includes 10 data centers and 20 division support centers responsible for delivering IT services to Pfizer.

Responsibilities:

• By taking a proactive approach, maintained over 3500 virtual/physical servers across ten sites (viz., Great Valley, Collegeville (PA), Pearl River (NY) Andover, Cambridge (MA), Montreal, Markham, Princeton and Madison (NJ)). 24X7 Windows Incident Resolution and Implement 24X7 Change Management.
• Functioned as a tech lead resource in a team of six and provided technical and functional knowledge of the key infrastructure concepts as and when required.
• Maintained VMware 3i environment of over 100+ hosts and 1600+ VMware guest OS hosted on enabling SAN technologies such as EMC, HP, and NetApp SAN storage solutions.
• Expert in building servers 2003 and 2008 x86/x64 based environments.
• Pilot testing in upgrading the ESX 3.5 & VC 2.5 to vSPHERE 4 and vCenter 4.
• Patch management on regular intervals on ESX and ESXi servers.
• Periodically assisted in execution of large scale migrations and consolidations of legacy technology and Datacenter facilities using physical to virtualization (P2V) and other technical data centralization best practices where needed.
• Detail Knowledge in Windows Server, VMware, x86/x64 hardware qualifications, and proof of concept testing to include Windows DFS, Clustering technologies, and McAfee ePolicy agent deployments and file exclusions, and immense TSM/CBMR Backup troubleshooting skills.
• Co-coordinated with my virtual team to deploy OS patches using BigFix for 3500 physical/virtual servers and maintained the security and functionality of Intel/AMD based server environments.
• Expert in providing server reimaging/data restoration (viz., system state and file level restoration) using TSM, TBMR, CBMR and in critical situations - restored servers via Redbook.
• Expert in TCP/IP connectivity and x86/x64 OS troubleshooting, installation, configuration and support of business application software suites.
• Worked on P2V Disaster recovery exercises.
• Involved in PR data center outage, more then 1500 servers are affected. Worked along with the team members to bring back the entire server. 5 VM host and 250's of VM guest were affected because of network Issue. Worked with network team and fixed the issue.
• PR Switched upgrade was done by SAN team for 5 weeks. 107 VM host were affected by that So worked on switch over one HBA to another and revert back. Process was done without any issues.
• Proven history of implementing, deploying, and administrating a secure and healthy server environment.
• Supported various application teams in secure and patched systems within the proper OS and middleware software lifecycle standards.
• Participated in IT systems Disaster Recovery and high availability planning for business clients.
• Supported Active Directory users, groups, and computers including delegating authority and applying permissions to various member servers.
• Proposed OS patch schedule for the year after conducting meetings with the application owners and co-coordinating with the Microsoft monthly patch releases.
• Expert in HP openview service center 7.0 - Managed and improved operational procedures, processes, and documentations related to change management, problem, incident, and release management within strict accordance with globally adopted and site SOPs.
• Expert knowledge of FDA IQ/OQ infrastructure qualification procedures.
• Participated in a beta document lifecycle project for time and resource saving electronic processes for filling, approving, and storing IOQ documentation in EDMS in support of GxP qualified servers and assets.
• Communicated with business units, engineering, database and IT architecture teams of technical issues to best meet the business needs of Pfizer.
• Provision remote access to servers via Avocent\'s DSVIEW, iLO, iLO2, and pcAnywhere when required.
• Collaborated with internal Compliance and Quality Assurance personnel to Qualify application and infrastructure servers hosting Validated Systems regulated by the FDA.
• Executed live and on-site production disaster recovery tests to verify the company's ability to rapidly restore business services to a remote location (application specific).

Client: Confidential, Nashville
Duration: Feb 2009 - Dec 2009.
Title: System Administrator

Description: Confidential, is a leading provider of healthcare services, a company comprised of locally managed facilities that includes about 164 hospitals and 106 freestanding surgery centers in 20 states. Its Information Technology & Services department (IT & S) includes five data centers and fourteen division support centers responsible for delivering IT services to HCA as well as more than 145 non-HCA hospitals and facilities.

Responsibilities:

• Expertise in the support of Microsoft Server Operating System standards and components for all Windows Server editions including Windows Server 2008 R2.
• Installation, Configuration and Maintenance of VMware ESX Server, Virtual Center Servers
• Upgrade of ESX servers from 3.0.X to 3.5, & 3.5 to vSPHERE.
• Upgrade of Virtual Center from 2.0.X to 2.5 and 2.5 to 4.
• Migration of servers from Physical to Virtual (P2V), Virtual to Virtual (V2V).
• Monitoring the availability of ESX servers and troubleshooting the performance issue.
• Analyzing and command line troubleshooting.
• Patch management on regular intervals on ESX and ESXi servers.
• Provided critical IT business emergency support in troubleshooting Windows OS, VMware and application issues.
• Provided Application Support to MIDAS which is hosted in Citrix 4.5 Environment.
• Managed many sites in deploying MIDAS application.
• In charge of successful implementation of several key IT projects:
• Deployment of VMware Virtual Infrastructure : Several ESX 2.53 / 3.0 servers running on HP BL35p Blade Servers and IBM Fiber Channel SAN
• Labware LIMS infrastructure: Designed and deployed entire infrastructure to support company's Labware LIMS system, in production, test and development environment
• Provided technical documentation for installation and configuration of business applications, infrastructure components for client and server support to my team.
• Participated in IT systems Disaster Recovery and high availability planning for business clients.
• knowledge on Windows Cluster technology for all current versions of the Windows Server OS, including Windows Server 2008 fail-over MS Cluster Technology utilizing boot from SAN systems and complex network requirements.
• Provided installation and maintenance of Stratus FT series fault Tolerant systems running Windows Server 2003 and 2008 x86/x64 OS.
• Provided engineering services for business projects as identified to include infrastructure patching.
• Integrated a plethora of applications into the enterprise in partnership with the business owners.
• Interfaced with multiple clients in fast turnkey server deployment. OS server installs IQ qualifications, Citrix installations and publishing of applications through CMA.
• Responsible for day-to-day operations involving monitoring, perform health checks & remote administration of systems in a production environment.
• Monitor various client backup policies, and taking care of restore requests
• Take backup of Critical data and ensure that the backup is successful.
• Validating the backup data by performing System restores.
• Document all hardware changes and maintain updated information for audit in Data Center.
• Log all scheduled/unscheduled system activities and problems
• Perform error analysis and recovery, documentation and procedures required for reference.
• Monitor, Control and perform all scheduled activities on Data center Systems and remote application servers
• Work and update tickets on Remedy ticketing system.
• Quick response to the problems to meet the SLA and real time monitoring of servers and troubleshooting day to day issues

Client: Confidential,New York
Duration: Aug 2008 - Jan 2009.
Title: System Administrator

Description: Confidential, is one of the five principal organs of the United Nations and it is headed by the United Nations Secretary-General, assisted by a staff of international civil servants worldwide. The Secretary-General\'s duties include helping resolve international disputes, administering peacekeeping operations, organizing international conferences, gathering information on the implementation of Security Council decisions, and consulting with member governments regarding various initiatives. It has integrated network with more than 2500 servers geographically distributed. ICT (Information and Communication Technologies) maintains these servers by designing, implementing and troubleshooting the networks.

Responsibilities:

• Manage network consisting of more than 1500 servers with Windows 2000/2003, UNIX Servers.
• Installation, Configuration and Maintenance of VMware ESX Server, Virtual Center Servers
• Upgrade of ESX servers from 2.5.X to 3.0.0.
• Upgrade of Virtual Center from 1.X to 2.X.
• Patching ESX Servers on regular intervals.
• Managing and administrating the VM from Virtual Center servers and tracking the performance.
• Cloning Servers from template, Virtual Machines patching and ESX trouble shooting are the day to today activities.
• Analyzing and command line troubleshooting.
• Involvement in P2V.
• Responsible for all Servers in the Corporate Data Centers, which includes Security, installing and building servers as well as required software and patches.
• Operational monitoring and error determination of applications and systems for Linux and Windows2000/2003 Server systems utilizing Tivoli scripting, and SSH to login securely.
• Monitor Windows and Linux based domino e-mail servers, user accounts, password, database, applications, and user resources to ensure the efficiency of the system.
• Day to day, 24x7 System Administration and troubleshooting using Server Manager, User Manager for Domains, Network Monitor, Event Viewer, Performance Monitor and NT/Exchange command line and Resource Kit Utilities.
• Update OS patches on regular basis.
• The environment has grown to over 45 ESX hosts and 750 Virtual machines production environment. I have also designed the performance monitoring processes and improved disaster recovery processes to utilize virtualization benefits.
• Restore mails using Microsoft domino windows based domino server and Linux-based domino cluster servers.
• Restore files using EDM from share drive and servers in both Windows and Linux/UNIX.
• Manage installation, maintenance, and upgrade of complex equipment and cables. Coordinate complex digital printing tasks.
• Coordinate backup of the information systems to tape, disc devices, or using any other available media or technology.
• Determine server replacements and VMware virtual environment architecture for corporate office network upgrade.
• Install critical OS patches including security patches and all software licensing issues. Ensure the virus protection software is up to date.
• Administer UNHQ Mobile office.
• Troubleshoot issues connected with the Citrix application services.
• Actively monitor and administer system resources, logs, disk usage, scheduling backups and restore. Set up Quotas for the user accounts & limiting the disk space usage.
• Actively Involved in Backup & Disaster Recovery: I was responsible for administrating Local & Global restores and backups (DR implementation).
• Each server is backed up five times a week while 20 backup tapes are rotated in a four-week revolving cycle.
• Create problem resolution knowledge documents.

Environment: Win 2003/ XP/ 2000/ 98/ NT, VMware, Citrix, Mobile Office, IBM Lotus Notes, SAN/NAS environment.

Client: Confidential, New YorkCity
Duration: Dec 2006 - Aug 2008.
Title: System Engineer.

Description: Confidential, Administration/ Department of Social Services (HRA/DSS) provides temporary help to individuals and families with social service and economic needs to assist them in reaching self-sufficiency. HRA serves more than 3 million New Yorkers through essential and diverse programs and services. With 15,000 employees help, HRA provides unique individual services. HRA has more than 20 centers located in various parts of the city, with all its centers computerized and well connected. MIS (Management of Information system) is responsible for managing, providing service and troubleshooting LAN and WAN networks for all these centers.

Responsibilities:

• Data centre support for Windows platform.
• Manage 250 servers across Windows 2000 and 2003 Servers
• Created the ESX test environment and plans, and handled communication with the business units. The project also included the upgrade of multiple mission critical servers using ESX server and P2V to prevent downtime and production outage.
• Build Servers as per the requirement of production support team. Assist in troubleshooting the issues during stabilization period.
• Support and maintain boxes in a distributed environment.
• Create Virtualized infrastructure on VMware ESX 3.0 platform for Development and Application team.
• Installing, configuring and maintaining the VMware ESX 2.x / Virtual Center 1.x servers.
  Creating, Installing, configuring and maintaining the Virtual Machines, installing Guest Operating Systems like Windows.
• Configure Active Directory database for backup and restoration as part of the Disaster Recovery Plan.
• Configure Group policies to implement Security and deploy Software as necessary.
• Configured DNS and DHCP as per the Site requirement.
• Configure and maintain File Servers.
• Configured DFS to simplify access of resources to users.
• Ensure all Clients and Servers are up to date for Virus engine and pattern file, Symantec 10.0.
• Responsible for performing upgrades and applying patches as required.
• Ensure all Servers and clients are updated with critical Microsoft patches (WSUS).
• Hardening of Servers to secure them tightly.
• Monitor all Servers for Memory and CPU utilization, Network traffic, and disk space.
• Troubleshoot Hardware, Software and Network issues.
• Installation, Configuration and Maintenance of Servers OS like Windows, Linux & Solaris.
• Responsible for day-to-day operations involving monitoring, perform health checks & remote administration of systems in a production environment.
• Take backup of Critical data and ensure that the backup is successful.
• Validating the backup data by performing System restores.
• Document all hardware changes and maintain updated information for audit in Data Center.
• Log all scheduled/unscheduled system activities and problems
• Perform error analysis and recovery, documentation and procedures required for reference.
• Monitor, Control and perform all scheduled activities on Data center Systems and remote application servers
• Work and update tickets on Remedy ticketing system.
• Quick response to the problems to meet the SLA and real time monitoring of servers and troubleshooting day to day issues

Client: Confidential,Chennai, India
Duration: Jun 2005 - Sep 2006
Role: IT Specialist

Description: Sutherland is providing services to build and manage sales with marketing and customer support operations for the technology industry for more than 20 years. Sutherland operates a scalable and robust technological infrastructure consisting of both a series of proprietary and custom developed applications and a completely converged secure global data network.

Responsibilities:

• Provide support for over 600+ Servers including OS patching, upgrading and marinating the servers.
• Worked on expanding space for the server according to the client request
• Analyze LAN to determine what were the major problems and improvements needed to be made to the network infrastructure.
• Reengineered LAN to provide more reliable service and to reduce latency; analyzed Windows domain to determine problems. Engineered a plan for the deploying Windows 2003 Advance Server in an existing Windows 2000 domain structure, Implemented these changes along with providing the day-to-day administration of the Windows domain, and network services.
• Manage User accounts, Files and Print servers in multiple Windows environment.
• Assist in Migration/up gradation of Windows 2003/Active Directory.
• Configure and manage DNS, DHCP servers.
• Perform quality review on servers, operating system, and applications moving to production. Perform 24x7 daily administrations for new user(s) creation, file/directory rights, and folder structure.
• Perform System & Performance tuning activities, which involve monitoring CPU, Disk, Memory and I/O parameters.
• Configure Access Control Lists (ACL's) and Role-Based Access Control (RBAC).
• Perform server boot and shutdown procedures.
• Assist clients in operating their Published application to ensure minimum failure of the system.