SUMMARY

• Over 8+ years of experience in the areas of Linux/RHEL, VMware and Windows administration
• Experienced in Installation, Configuration, and Troubleshooting VMware ESX & ESXi 5.5, 5.1, 5.0, 4.1, 4.0, 3.5, vSphere 5.1, 5.0, 4.1, 4.0, vMotion and Virtual Center 5.1, 5.0, 4.1, 4.0.
• Profound knowledge in installing, Patching, upgrading and configuring Redhat Linux 4.x, 5.x, 6.x and 7.x using Redhat Satellite Servers.
• Experience in building datacenters including DEV, TEST, Production and DR facilities on multiple locations with VMware, SRM, Redhat Cluster Suites.
• Worked on Hardware IBM x - Series Servers for Linux, HP Blade centers and HP DL hardware iLO devices, Intel Family, IBM Bladecentes, IBM Console, HP Open View, Dell servers, CISCO UCS Blades & VMWare virtualization.
• Installation/Configuration/upgrade of Hardware, Operating Systems, Software and Security related patches.
• Capacity planning of disk space and hardware resources required for production and development servers.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup/ recovery and upgrading Linux (Red Hat & SuSE) in large environments.
• Responsible for OS maintenance activities like upgrading the OS, updating the services and third party software.
• Administering storage backup and monitoring the services with TSM
• Performed all the LVM tasks like creating Physical volumes, Volume groups, Logical Volumes, and file system.
• Configuring and maintaining virtual server environment using VMWARE ESXi, VSphere, VCenter
• Clustering solutions for High Availability using tools such as, Redhat HA (RHCS), and MC Service Guard, Microsoft Cluster Services, Sun Cluster
• Administering the DevOps environment for tools development and transforming the work into Linux platform
• Performed installation and configuration of LDAP. Implemented Single Sign On using Open LDAP in enterprise environment.
• Deployment & system configuration Automation by Puppet and Cheff automation tools
• Performed patching of Linux servers on regular schedule.
• Setup, Implementation, Configuration of Backup/Restore solutions for Disaster/Business Recovery of clients using Data Protector on UNIX, LINUX & Windows platforms
• Performance tuning of Linux machines in the environment by kernel parameter tuning, identifying process that hog the system resources and containing them.
• Experience working in customizing the Kickstart and Jumpstart scripts to automate the installation of various servers used for various internal projects.
• Performed testing in Linux Environments in the Dev/Test/Prod Stages to help create a better standardized environment and resolutions of any issues if any occurred.
• Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, Microsoft Clustering and Exchange Mail Server in Windows based server environment.
• Performed automation on vSphere and vCloud environment using VMware PowerCLI
• Experienced in creating VM for Linux, Windows and Solaris. LVM, ZFS and zone management
• Experience in deploying several sets of Linux guest builds from VMware Templates
• Migrated Physical Servers to Virtual Server and Virtual to virtual - using VMware Converter
• Experienced in different tools for monitoring the health checkups for machines like CMC and Nagios version 2.10. Experienced in DMAN.
• Strong knowledge in DNS, DHCP and IP addressing
• Experienced in maintaining user accounts, profiles, security, rights, disk space and process monitoring
• Excellent understanding on ESX Architecture, guest OS installation, setting up of VM priorities, Cloning and Snapshots, Virtual Network, ESX Server, ESXi Server & Virtual Machines, Templates from VMs and deploying VMs from Templates
• Managing Data center environment
• Expertise in Thin provisioning, VMFS expansion, RAID technologies
• Hands on experience with the HP blade c7000 enclosures and the ML, DL, BL series servers
• Experience in Windows clustering Administration, troubleshooting and Microsoft failover clustering manager

TECHNICAL SKILLS

VMware Tools: ESX/ESXi Server, VSphere 4.1, VMware converter 4/3 and VMware VMotion.

Virtualization: View 4.5, 5.1 /ESXi4.1, 5.0, 5.1, 5.5/VMWare vSphere 4/5, Site Recovery Management (SRM), VMware infrastructure 3.0/3.5, ESX 3/3.5, vCloud Suite 5.1, Storage VMotion, HADRS, SRM 4.0, Host Profiles, VApp, VMware Consolidated Backup, VMware Management Assistant, VMware VSphere Client, VMware View 4, VMware ThinApp

Networking Protocols: TCP/IP, HTTP, DHCP, DNS, SMTP, POP3, Ethernet, Token Ring.

Hardware: HP Proliant DL360, DL380, DL580 Servers, BL465c Blade Servers and Dell Power Edge Servers.

Office Tools: MS office, MS Visio, MS Project, RV tools.

Operating System: Windows 2003, 2008, 2008 R2, 2012, 2012R2, Red Hat Enterprise Linux (RHEL) 4.x/5.x/6x/7.x, SLES OEL 6/7, Solaris 9/10/11 CentOS/Ubuntu, MS-DOS

PROFESSIONAL EXPERIENCE

Confidential, Tampa, FL

Senior VMware Admin

Responsibilities:

• Hands-on experience in Deployment, requirement gathering, Installation, administration.
• Successfully configured ESX servers for HA and DRS capabilities.
• Configured and deployed Cisco computing clusters with VMware ESXi 5.5 and vCenter 5.5.
• Experienced in applying monthly updates to windows servers 2003/2008R2/2012 versions.
• Maintained and Troubleshooted windows servers windows 2003, 2008R2 and 2012 versions Creating disk spaces for windows servers.
• Performing physical to virtual servers (P2V) migration without downtime.
• Involved in performing VMotion and Vstorage administration for successful data migration.
• Maintaining Backups of the VM's, taking snapshots.
• Managing VM's by vSphere Client and Web Client.
• Upgraded 100+ ESX hosts from ESX 5.0 to ESX 5.5 using VMware Update Manager tool.
• Administration of user and group accounts and providing appropriate rights to user accounts according to their requirements.
• Installation and configuration of EMC Power Path in ESXi for SAN Storage Path optimization.
• Involved in creation of virtual switches and configuration of NIC for a clustered environment.
• Troubleshoot and resolve the Storage related issues generated in the production, Development and testing environments using vCops.
• Configured VMware on clustered environment, Implemented VMotion, Virtualized Windows servers using VMware Converter P2V and setup Lab Manager.
• Administration, VMware configuration and Administration, Network devices, Security devices for datacenter.
• Understanding and experience SAN concepts, snapshots, clustering and fail-over, file Permission management and disaster recovery.
• Successfully deployed and tested Disaster recovery solutions for selected business applications using EMC.
• Used VMware Update Manager to install critical and locally tested updates to the ESX Host.
• Grouped physical disks into logical volumes dynamically sized and resized volumes to fit in the application.
• Troubleshooted network issues between distributed V switch, Layer 2 switches and resolved slow performance between SAN network and VM networks.
• Responsible for day-to-day operational maintenance, support, and upgrades for Windows servers and VMware.
• Performed software installations and upgrades to operating systems and layered software packages.

Environment: VMware ESX 3.5/4.0/4.1, ESXi 5.5/5.1/5.0, vSphere 5.5/5.1/5.0, vCenter 5.5/5.1/5.0, MS Windows Server 2012 R2/2008 R2/2003, Clusters, SAN, NIC, EMC, Virtual Switches.

Confidential, Southlake, TX

Linux Admin

Responsibilities:

• Installation, configuration and administration on VERITAS Cluster Server, Redhat Cluster & HP-MC Service Guard on various business critical databases and application production servers.
• Installation, Configuration & Upgrade of Linux, RHEL, AIX operating system.
• Installation and troubleshooting of Redhat Linux (9.x, 8.x) and SUSE Linux 10.x, 11.x.
• Successfully configured Kickstart in Linux. Troubleshooting Virtual Infrastructure related issues, which includes co-ordination of storage Network and onsite team.
• Writing Shell/python scripts for managing day-to-day transactions and for automation of routine tasks.
• Monitoring of space availability on each file-system using the Bash/shell/python Scripts.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl, python automation scripts.
• Installation and configuring for Oracle, SQL Server, Informix Database.
• Supporting Unix/Linux Servers running Oracle and MySQL databases. Added new node to the cluster, updated the nodes with patches from RHN cluster.
• Installed, maintained, upgraded and supported Apache web server and Jboss application servers on Red Hat Linux Systems.
• Provided production support of Apache and JBoss including installation, configuration, and management and troubleshooting.
• Installation of Oracle 9.2.0.6 database on Red Hat Linux and Sun Solaris 11.0/10.0 and kernel parameter tuning for Oracle database installation.
• Configured NFS, NIS, NIS+, DNS, Disk Space Management and Send mail of Sun Servers.
• Creating User accounts, Mail account, groups, configuring printers, and etc.
• Planning & creating volumes and Scheduling the job, making sure the recommended processes are taken care while volumes are created.
• Created Role Based Access Control (RBAC) for users.
• Configured LDAP clients on server test and troubleshoot for maintaining network and data security.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Configured auto mounts/maps for the user accounts. Creation and Configuration of additional swap/tmp space dynamically as and when required.

Environment: RHEL, AIX, HP ProLiant DL580 and DL380, IBM P Series, Logical Volume Manager, Veritas netback up, HACMP with EMC, SAN Multi pathing (MPIO, HDLM, Powerpath), VM ESX 3.x/2.x.

Confidential, Irving, TX

VMware Admin

Responsibilities:

• Migrated with team 100+ servers from Windows 2000 and Windows 2003 environment, including File and Application Servers; restored File permissions and Shares.
• Implemented Microsoft DHCP, DNS, WINS, Domain trust relationship, fault tolerance, file and print services, user and group management.
• Consolidation of the Datacenters using Vcenter4.0 and installation, configuration and managing the ESXi 4.0 Update to Servers and Vcenter.
• Creating and managing the VMware clusters in the Vcenter4.0.
• Enabling the HA and DRS features in a VMware Clusters.
• Monitoring the VM'S & ESXi 4.0 Update 2 Servers using the Vcenter.
• Creating the Virtual Clusters, Resource pools, Templates & Clones in the ESXi4.0.
• Creating the Virtual Switches & Port groups in the Virtual Environment.
• Patch Management done in the ESXi4.0 Servers through the UPDATE MANAGER.
• Upgrading the ESXi 3.5 to ESXi4.0 using HOST UPDATE UTILITY.
• Worked on Migration Projects Involving IIS 4.0, 5.0 and 6.0-based applications.
• Installed, and supported 100+ Desktops, Laptops, Network Devices, and Computer Peripherals with the IT team.
• Was Responsible for Active directory, GPO, Domain users, Administrating users and groups and given appropriate permissions and privilege to access our LAN and Domain environment.
• Installed, configured, administered Windows 2003 servers, Active Directory Services, FTP, WSUS, IIS Web Server and SQL Database Server.
• Was Responsible for Security Patch Management and Deployment to all clients using Microsoft WSUS.
• Weekly Backups on NAS storage.
• User Support - Monitored and troubleshooting system performance, server & user related issues. Provided support to users to resolve their day-to-day issues related to OS, E-mail, Account issues, hardware etc.
• Was Responsible for Backup/recovery strategy of all windows based servers. Planned and implemented fault tolerance and strategies for backup and restoring files on the network using different media devices like tape drives, compact disk and additional hard disk etc.
• Implemented cross-functional IT skills training so our team was well prepared and resilient when faced with challenging issues, which greatly improved IT incident response times & work quality.
• Asset Management - Helped infrastructure team to Manage Leased Assets.
• Vendor Management - Build strong relationship with vendors to get good support and pricing.
• Selected and recommended the right product and the source at the appropriate price range for the business user.

Environment: VMware ESX 4.0, VSphere 4.0, Vcenter4.0. Windows Server, Exchange Server 2003, 2008 R2/2003, Windows 7/XP, Active Directory, HP Proliant DL and Blade Servers.

Confidential, San Jose, CA

VMware Admin

Responsibilities:

• Handling complex enterprise environment with 3000+ Windows servers and 200+ ESXi hosts in two datacenter and multiple remote locations
• Installation and support of VMWARE ESX/ESXi 3.5/4.x/5.x server which hosts the virtual servers for the test/ dev/staging environment.
• Build and administer vCenter 4.1/5.0, VMware cluster, HA, DRS, Snapshot, Clone
• Taking care of P2v, V2v, P2p using VConverter & double take
• Performance tuning for VMware ESXi hosts and Virtual Machine, setting up their CPU affinity rules, allocating resources and fine tuning storage
• Administering VMware VDI, allocating new VDI and maintaining
• Monitoring the resources and services on the servers using System Center Operation Manager (SCOM) 2007 R2, HP SIM&IBM Director, worked as SCOM administrator.
• Storage configuration using SAN with IBM Blade Center s, HP EVA series
• Supporting SAN infrastructure, NAS infrastructure
• Installation and Support of Windows NT/ 2000/2003/2008/2008 R2 servers functioning in Multi-Tier application environments.
• Analyzed the hardware and software requirements of Active Directory.
• Created the Forest Root domain, and a Child domain in a production environment.
• Installed and configured an Active Directory Domain Controller.
• Established external trusts and cross-forest trusts.
• Managed an Active Directory site; replication schedules, site links and boundaries, used ADUC to create and manage computer, user and group accounts in an Active Directory environment.
• Designed, planned and implemented Group Policy, delegation strategies and OU structure.
• Managed local, roaming, and mandatory profiles, planed strategy for placing Global Catalogue (GC) and evaluated the need to enable Universal Group Caching.
• Level-2/3 troubleshooting clustered file & print server support for user base over 2000 users.
• Installation and Administration of HP Proliant servers, C7000 Enclosure, Dell Power Edge, Compaq.
• Troubleshooting hardware issues like, RAM, HDD, CPU, Blue screen on all server hardware
• Installation, Configuration and troubleshooting of DNS and DHCP.
• Installation and Administration of Web servers and FTP servers.
• Responsible for running Wintel on host operating systems (and applications) such as Microsoft Windows to run in a protected, virtual environment in a window.
• Installation and Administration of Fail over cluster in Windows 2000/2003/2008 environment.
• Managing the backups using the Tivoli Storage Manager (TSM) and Backup Exec System Recovery.
• Monitoring the servers using HP Systems Insight Manager to find any issues with the server's hardware.
• Patch Management using System Center Configuration Manager (SCCM).
• Participation on disaster recovery planning, mock drill and preparation.
• Administering, designing, maintaining and troubleshooting various Windows environments, administering, designing and troubleshooting Hyper - V virtualization environments

Environment: VMware ESX 3.5/4.0/4.1, ESXi 5.5/5.1/5.0, vSphere 4.x, Windows Server 2008/2003, Active Directory 2003, SQL Server 2008/2005, HP ProLiant Servers.

Confidential, San Jose, CA

Windows Systems Admin

Responsibilities:

• Installed the Windows 2000/2003 Servers in the organization with over 50 clients.
• Created the user accounts and profiles, assigned permissions using Active Directory, a directory service which contains information of all user accounts and which optimizes the network traffic. It provides the user logon and authentication services using Kerberos.
• Administered the Group Policy, a collection of permissions, security and rights, which can be applied on sites domains and OU's. Also used group policy to automatically upgrade, repair software installation online.
• Provide Remote support and administration on network for internal and external clients using tools like Microsoft remote desktop connection.
• Managed the member server, a server which hosts services like IIS, DNS, and DHCP.
• Protected the organization's network from unwanted traffic coming from the internet using ISA Server, which is a proxy server and a web caching server.
• Provided the backup and recovery of the files and data, worked on Windows Firewall, Terminal server, troubleshooting the computer related problems.
• Configure printers and install drivers, Install approved software, Configure virtual machines and configure DHCP and static IP addresses on workstations.
• Responded to and resolved system generated alerts related to operating system performance, services, network connectivity, accessibility, and client requested monitoring requests from SCOM, HP Openview, HP Operations Manager. Responsible for installations, configurations, upgrades on their desktops from WIN XP to Windows Vista.

Environment: Windows 2000/2003 Servers, Active Directory, DNS, DHCP, Group Policy, Backup and Recovery, IIS (HTTP & FTP), ISA, Terminal Services, Disk Management, File Sharing.

Confidential

Windows Systems Admin

Responsibilities:

• Installing the systems through network.
• Creating and Managing Virtual Machines.
• Partitioning using fdisk.
• Monitored system resources, logs, disk usage, scheduling backups and restore.
• Monitoring the system performance.
• Process Administration using Top, Vmstat, Echo, Ps-ef, Sar, Netstat.
• Monitoring the servers using Nagios for system performance and load averages.
• Ensuring all server instances are up and healthy.
• Good Knowledge in Multiple Run levels.
• Configuring and maintaining DHCP, DNS and Samba Servers.
• Knowledge on configuration and administration NFS, NIS and DHCP, SSH.
• Adding more resources like Memory and CPU's, and increasing the swap.
• Troubleshooting Virtual Machine issues and file system related issues.
• Troubleshooting various booting problems.
• Setting up cron schedules for backups and monitoring processes.
• Data Protection and maintenance of healthy network using different backup and recovery strategies.

Environment: Windows 2003/2000/NT Servers, Active Directory, DNS, TCP/IP, Network Printers, Windows XP.