SUMMARY:

• 9 plus years’ of experience in Windows and VMware system administration
• Accomplished ­systems administrator with 9 years of experience in data - center operations, Windows server platform and VMware administration, with proven ability to create and deliver solutions tied to business growth, organization development and system/network optimization .
• Thorough knowledge of Windows server platforms 2000/2003/2008/2012 in a large scale enterprise environment or large datacenter environment.
• Extensive experience with Active Directory, Read only domain controllers (RODC), Domain Name System, Windows Internet Naming Service, and IIS.
• Installing, Configuring and troubleshooting of Terminal Servers, Print and file servers.
• Creation and maintenance of Active directory users, groups, OU and effective access management by using best practices of security permissions.
• Creation of Group Policy and applying into users, groups and computers and testing the effectiveness of the applied policies.
• Installing configuration support and maintenance of DFS, Windows deployment Service, RIS, VPN.
• Through knowledge of patching tool like Confidential Tivoli End Point manager (Bigfix), WSUS server.
• Installing and configuration of NAP, Windows software updates service (WSUS).
• Administration of web servers, FTP sites.
• Migration of servers and physical to virtual conversion.
• Datacenter management and virtualization.
• Extensive knowledge of setting up of Microsoft Failover cluster and Load balance cluster.
• Experienced with x86 / x64 Intel, HP, Confidential & Dell hardware like rack-mounted servers, tower servers, HP Blade server, Confidential BladeCenter, Confidential System X servers, desktop, laptop and other peripherals.
• Worked extensively in UCS-B, UCS-C, and/or Nexus 1000.
• Configuration of RAID, NIC teaming and link aggregation.
• SCCM 2007, 2012 and SCOM 2007, 2013.
• Administration of VMWare ESXi 5.1, 5.0, 4.0 and ESX versions.
• Configuring VMware vCenter server, Designing network configuration, Managing VMware vSphere, Migrating Virtual Machines, vMotion, Storage vMotion, Fault Tolerance, Data Protection, Managing virtual machines, Access control, Resource pools, Monitoring virtual machine performance, alarms, Configuring and managing High Availability, vSphere distributed resource scheduler (DRS), Configure and manage virtual storage, VSA Cluster configuration, Load-Balancing, Back up, Access and authentication control, Integrating ESXi with Active Directory (AD), vShield to secure the virtual data center, Resource management and monitoring, Scheduling changes to resource settings, Cluster resource allocation, Configuring vCenter update Manager.
• Performed physical to virtual (P2V) migrations
• Physical and Virtual server builds.
• Administration of vRanger, Double take.
• Back up and Restoration using HP Data protector and Microsoft backup.
• Automation server administration tasks using VB script, Windows power shell.
• Good understanding about TCP/IP and OSI networking models.
• Configuration of Routing Protocols like (RIP, EIGRP, OSPF, IGRP, IS-IS, BGP and Static Routing Protocol), Frame Relay, PPP, HDLC ect.
• Assembling & Cabling of Wan, LAN and Point-to-Point links using SM fiber, MM fiber and various cat categories.
• IP Addressing (Subnetting, VLSM, Summarization, CIDR & WCM).
• Setting up of infrastructure mode wireless LAN and Ad-Hoc mode network using Wireless network adapters and Wireless access points.
• Handling of Incidents, Changes, Problems and doing root cause analysis (RCA) of the same.
• Good experience on various ticketing tools like BMC Remedy, Maximo, HPSM, Kayako, CA ect.
• Though knowledge of MIS related to IT infrastructure.
• Experienced in Regulatory environment, FDA compliance.
• Good knowledge of ITIL (IT service management).

PROFFSSIONAL EXPERIENCE:

Confidential, Fremont, CA, Frederick, Maryland

Senior Windows / VMware System Administrator

Responsibilities:

• Installation, configuration and ongoing systems administration support of Windows 2000, 2003, 2008 and 2012 servers.
• Administer multiple disjoint Active Directory Forests, Domains, DHCP, DNS and various other Infrastructure services. Trust relationships setup, dcpromo and decommission of AD.
• Updates, patching and software installations via group policies (GPO).
• Installing, Configuring and troubleshooting of IIS, Terminal Service, Print and file servers.
• Configuring and troubleshooting of Microsoft clusters (both failover and load balance clusters).
• End to End patching of hundreds of Windows serves spread across different time zones using Confidential Tivoli End Point manager (Bigfix).
• Inventory management, software distribution, OS deployment using TEM (Bigfix).
• Securing the distributed environments and helps organizations to comply with regulatory standards on security using TEM (Bigfix).
• Migration of Servers, AD Accounts, Data migration etc., in a large environment with thousands of serves and users.
• Configured and managed SAN (storage area networks) and DAS (direct-attached storage) volumes using Fiber-Channel, SCSI and Windows Storage server iSCSI connections.
• Built MS SQL server database servers in single server and failover cluster configurations for various enterprise application needs
• Power shell automation for creation of virtual servers to vhosts.
• Wrote Microsoft Windows PowerShell and VB Scripts to automate Windows server administration tasks.
• Proactively monitor systems health by physically inspecting environment and utilizing provided tools.
• Implementation of changes on production servers in large environment including Migration, Enhancements, Up-gradation, and Code releases.
• Assist in troubleshooting production issues with members of other teams within I.T.
• Setting up scheduled full back up of servers using HP data protector.
• Configuration, Administration and troubleshooting of VMware ESXi 5.1. 5.0, 4.1.
• Planning and configuring ESXi clusters, and setting up of HA and DRS for the critical production servers in large virtual environment.
• Building VMware ESXi, physical and VM servers under tight SLA's.
• Trouble shooting of Blackberry issues and management of blackberry servers.
• Datacenter management and virtualization.
• Troubleshoot server hardware issues (HP & Dell) and work with service providers to facilitate replacement / repairs.
• Worked Configuring and maintaining UCS-B, UCS-C, and/or Nexus 1000.
• Configuring and maintaining the UCS-B, UCS-C, and/or Nexus 1000.
• Firmware up-gradation and printer packing.
• Problem management and doing Root cause analysis.
• Providing on call support for the critical issues on rotation basis.
• Have contributed significantly to resolve the performance issue of the critical web server by setting up the NLB (Active/Active) cluster.
• Streamlined the patching process of servers which is spread across the globe and save time and reduced the cost significantly.
• Enhance the performance of the SQL DB and IIS servers by resolving the memory leakage and network connectivity issue.
• Contributed significantly in the planning and provisioning of sever consolidation.

Confidential, Moline, IL

Windows / VMware System Administrator

Responsibilities:

• Administration, Implementation and troubleshooting of Windows 2000, 2003, 2008 and 2012 servers across the globe of large multinational corporations.
• Installing, Configuration, Support and maintenance of ADDS (Active Directory Domain Service). DNS, DHCP, IIS, Terminal Service, Print and file servers.
• Build servers for production and test environments following strict build procedures.
• Data center management and Server consolidation using VMware Vcenter Converter.
• End to End patching of hundreds of servers spread across different time zone using TEM (Bigfix).
• Inventory management, software distribution, OS deployment using TEM (Bigfix).
• Securing the distributed environments and helps organizations to comply with regulatory standards on security using TEM (Bigfix).
• Managing and monitoring of servers using SCCM and SCOM.
• Setting up and troubleshooting Microsoft failover cluster and NLB cluster for the mission critical application servers. And configuring RAID 5 and Mirrored volume for DCs and other critical servers.
• Decommissioning of Physical and Virtual servers as per the norms.
• Local Admin and ILO password change and management of servers.
• Raising the change and implementing the same within the change window.
• Resolving the Incident raised by the operation team with in the SLA time.
• Administration, Implementation and troubleshooting of VMware ESXi 5.1. 5.0, 4.1 and ESX versions of VMware.
• Planning and configuring ESXi clusters, and setting up of HA and DRS for the critical production servers in large virtual environment.
• Building VMware ESXi, physical and VM servers under tight SLA's.
• Migration of user profile from thin client to Vista.
• Troubleshoot server hardware issues (HP & Confidential servers) and work with service providers to facilitate replacement / repairs.
• Trouble shooting of Blackberry issues and management of blackberry servers.
• Migration of large numbers of Active directory accounts from site to site.
• Pre migration validation and audit fixation in SQL DB.
• Post migration issue fixations in Active directory.
• Automation of routine System Administration tasks using VB Script and Microsoft Windows power shell script.
• Analyzes, logs, tracks and resolves complex software/hardware matters of significance pertaining to networking connectivity issues, printer, servers, and applications to meet business needs.
• Coordinates hardware/software installations and upgrades to ensure work is properly performed in accordance with company policy. Recommends resolution to complex matters of significance and coordinates the the implementation of the approved course of action.
• Deployed Unified Computing System (UCS) Blade chassis with 8 blades each to support the Network Tools Infrastructure and VMware Infrastructure.
• Configuring and maintaining UCS-B, UCS-C, and/or Nexus 1000.
• Installing of various utilities Firmware up-gradation, printer packing and monitoring of servers.
• Providing on call support for the critical issues.
• Train the offshore support team and brought them in to the production support.
• Participating in the meetings with the various business unit heads; gathering there requirements and planning for the delivery accordingly.

Confidential

Windows / VMware System Administrator

Responsibilities:

• Effective provisioning, installation/configuration, operation, and maintenance of Windows Serves, VMware servers, systems hardware and software and related infrastructure.
• OS Administration of Windows 2008, 2003 and 2000 servers.
• Administration of VMware ESX servers and VMs.
• Created, managed, and maintained virtual server infrastructure; utilized VMware to build networking & server lab environment that streamlined server OS / application deployments, increased system uptime, and improved reliability.
• Worked closely with storage and networking teams to ensure SAN and networking infrastructure met virtual infrastructure specifications.
• Responsible for support for all server related issues.
• Participated in complete system builds, upgrades, migrations, code deployments and patch management.
• Data Center Management, Capacity planning and management.
• Administered change management related to server upgrades and software installation.
• Prepared and maintained documentation of technologies, standards and procedures.
• Creation and maintenance of Active directory users, groups, OU and effective access management by using best practices of security permissions
• Maintaining and troubleshooting web servers
• Monitoring server health and resolving issues related to hardware of HP, Confidential, Dell server and the backup tape library
• End to End patching of MS servers.

Confidential

System Engineer

Responsibilities:

• Server Administration of Windows 2000 Servers, 2K3 Servers,
• Troubleshooting of production issues and resolving the same with in the SLA time frame.
• Creation and maintenance of Active directory users, groups, OU and delegating assess to concern department administrator.
• Configuring and troubleshooting issues related to network printers
• Remote server/system administration.
• Maintaining and troubleshooting web servers.
• Monitoring server health and resolving issues related to hardware of HP, Confidential, Dell server by working with vendors.
• Patch management of servers..
• Generating various reports from AD and sending it to various management teams for auditing purpose.
• Experienced in Regulatory environment, FDA compliance.

Confidential

System Engineer

Responsibilities:

• Administration of Windows 2000 and 2003 Servers.
• Configured DNS, DHCP etc.
• Responsible for deploying, managing, and maintaining HP Proliant BL-series C-class blade servers and DL-series servers.
• Configured HP Blade DL460 using the ILO & Onboard Administrator and HP Insight Manager.
• Configuring and maintaining of Routers, Switches, storage mediums, PCs and other components.
• Maintaining full IT infrastructure of various companies as a part of AMC contract.
• Installing various software utilities on servers and workstations.
• Database administration of SQL servers.
• First level trouble shooting of the IT infrastructure devices.