SUMMARY

• A highly adaptable System Administrator with 6+ years of experience in IT Support and Linux and VMware administration.
• Expertise in deploying various Red Hat Enterprise Linux builds on both Physical utilizing boot from SAN and Virtual on HP/Cisco Hardware running ESXi.
• Expertise in designing built/configure documentation related to Red Hat Enterprise Linux via Kickstart/PXE, and Red Hat Satellite Server.
• Installing and updating packages using YUM (custom YUM Servers/repositories) and Red Hat Satellite Server.
• Experience configuring, maintaining NFS, LDAP as per the environment’s requirements.
• Expertise in binding any new LUN’s and configuring storage groups using NetApp On Command Manager.
• Expertise in deploying several sets of Linux guest built from VMware Templates, using Power CLI as well as Red Hat Satellite Server.
• Experience in upgrading ILO (Integrated Lights Out).
• Expertise in configuring Management pools for any current or future Cisco UCS blades that are added to the Cisco UCS Environment.
• Experience in configuring and managing MSSQL and Oracle in Red Hat Linux.
• Extensive use of CHEF and Puppet automation tool to deploy various applications.
• Responsible for Kernel tuning, upgrading of memory and swap area onLinuxservers.
• Installation and configuration of applications like Tomcat, Apache, Jboss both manually and by using CHEF automation tool.
• Provide support to the application team and troubleshoot the system related, networking issues and application errors during deployments and performance tests.
• Involved in Designing and Implementing host level migrations and replacing virtualization using P2V and V2V using VMware converter and Platespin.
• Updating and upgrading ESXi servers, vCenter Server, using vSphere Update Manager and VM Tools through manual updates.
• Managed ESXi hosts using vCenter Server/ vSphere Client and VMware Web Client.
• Performed vMotion and Storage vMotion of Virtual Machines across different cluster with respect to security policies and application development requirements.
• Creation of hot and cold Clones Templates from Virtual Machines (VMs). Deployed Virtual Machines from Templates based on requirements and build documents.
• Performed Virtual Machine Snapshots for Application machines for Migrations and failback.
• Upgraded the VMware tools, VM hardware on all the VM’s as a part of Upgrade process.
• ESXi installation on HP Proliant/Cisco UCS servers using customized ISO’s.
• Configured NIC Teaming for load balancing and failover.
• Automating processes through Cron Jobs. Administration of user accounts and groups and providing appropriate rights to user accounts according to their requirements.
• Configuring NAS, SAN and iSCSi storages to the VMware ESX servers and installed the iSCSi Software and Hardware Adapters to the ESX servers.
• Cloning, deploying VM’s to Template, Templates to VM’s, vMotion, Storage vMotion etc.
• Configured the NTP server in ESX server for the time Synchronization between ESX and VM’s.
• Participating in 24x7 Production on - call Support of Linux and provided technical support to users at remote datacenters.

TECHNICAL SKILLS

Hardware: HP Proliant DL385-G6, DL 585 G6/G7, HP C-7000, UCS, BL 460 G5/617, Cisco 6500 Series, F5 Big IP 6900 Series

Server OS: Red Hat Enterprise Linux 4.x/5.x/6.x, CentOS 5.x, 6.x, Windows Server 03/08 R2, VMware ESX 4.0, ESXi 5.0, 5.1.

Virtualization: VMware 4 & 5 ESX, ESXi1, vSphere & Configuring DRS, HA, vMotion, P2V

SAN Tools: Power Path, NetApp Filers, Data On Tap

File System tools: LVM

High Availability: Red Hat Cluster Suite, Veritas Clusters

Network Servers: DNS, DHCP, NIS, NFS

Web Server: Apache & IIS.

PROFESSIONAL EXPERIENCE

Confidential, Pittsburgh, PA

Linux/VMware Administrator

Responsibilities:

• Experience in Installing, Configuring and Maintaining RedHatLinux (RedHat EnterpriseLinux4.x, 5.x & 6.x) Servers and Windows 2003/ 2008 R2 Servers on Power Edge Model rack, HP blade centers like HP C6000 & C7000 and also Cisco UCS environment.
• Experience supporting RedHat servers in Production and Development environments.
• Experience in Virtualizing RedHat servers using vSphere 4.1/5.0/5.1 and managed ESXi servers using vCenter and also worked with ESXi Clusters.
• Installed and Configured RedHat Linux Kick start and booting from SAN and managing multipathing at boot level and OS level using EMC Powerpath.
• Experience in writing scripts to automate jobs and debugging scripts.
• Experience in using protocols like NIS, NFS, SSH, SFTP & DNS.
• Conduct incident management trend analysis within the supported production environment.
• Administered Volume groups and volumes using Logicalvolume manager.
• Installed/Configured Websphere 5.x/6.x and other Application Servers and Administration of Websphere Application Server 6.x with Network Deployment, and Extension Deployment on RedHatLinux.
• Configured File Systems, users and group for Oracle and Websphere.
• Installing and configuring ESXi 4/5 using custom based ISO’s and Virtual Media based installs on several hundred HP BL-460’s, 620’s, 680’s as required for UAT/Production deployments of Windows 2003/2008/RHEL/Centos deployments.
• Migration and P2V/V2V conversion utilizing VMware converter and Hyper-V (VMM) of an entire datacenter residing on HP and Dell Hardware with applications such as SQL Server, Exchange running on Windows.
• Document and develop runbooks for the entire P2V/V2V migration project as well as coordinate with onsite support to maintain a smooth transition.
• Installation, Configuration and Administration of VMware ESXi 4.1.1 / Virtual Center 4.1, vCenter Servers as well as upgrading to ESXi 5.0 / Virtual Center 5.
• Maintain a Networking testing by documenting current system configuration, identifying, analyzing, and evaluating critical data/hardware issues and documentation and testing plan.
• Configure and maintain Host Profiles, Distributed Switch, DRS, vMotion, Sv-Motion, Resource pools, permissions, Patches, Snapshots, Tools Upgrade, disk expansions, and Templates.
• Engineered and migrated 400+ RHEL/Windows Servers from physical to virtual using VMware converter 4.3/5.0 as part of a large datacenter migration project.
• Provision, installation and configuration of Windows 2008 Servers utilizing templates, gold images and upgrading Windows 2003 to Windows 2008 on both physical and virtual machines.
• Installation and configuration of Red Hat Enterprise Linux severs using kick start unattended installation in addition to PXE Boot, configuring of new servers and workstations using kick start and auto start.
• Assisting with the software integration and tuning software build into RPM packages.
• Configure and maintain NFS Servers for both media and data sharing between servers and resolved any shared server issues.
• Responsible for the installation, configurations and support of VMware vSphere and the daily management/monitoring of the virtual environment.
• Application Migration from physical to virtual/virtual to virtual platform.
• Windows OS build, IP configurations, Domain Builds, Active Directory Site Builds and Support & Administration.
• Responsible for configuring NFS.
• Involved in scheduling jobs using crontab.
• Managed and maintained the Servers, PC’s, Routers and Switches.
• Responsible for Backup Management.

Environment: RHEL 5.x, 6.x, Centos 5.x, 6.x, VMware ESX 4, ESXi 5.0, 5.1, Netapp, EMC, LVM, Veritas, Redhat Cluster, HP, Dell, Cisco UCS.

Confidential, Norwalk, CT

Linux/VMware Administrator

Responsibilities:

• Experience in Installation, configuration & administrationof RHEL 3.x/4.x/5.1,5.2, CentOS 5.x/6.x.
• Responsible for determining hardware and compatibility requirem ents for installation of application software and different tools.
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects.
• Creating profiles, users, roles and maintaining security.
• Configured File Systems, users and group for Oracle and Websphere.
• Configuration of Kernel parameters for Oracle Database.
• Developed Shell scripts (Korn/Bourne) for automating the batch jobs.
• Extensively used LVM, created VGs, LVs, and disk mirroring.
• Monitored file system space using simple shell scripts; resize file systems as and when required.
• Configured clustering by using Veritas Clustering and Redhat Clustering.
• Created users, manage user permissions, maintain User & File system quota onLinuxservers.
• Backup configuration using Veritas Netbackup.
• Setup and configured network TCP/IP on Red HatLINUX, CentOS including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on the Servers.
• Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Performed deployment activities, environment support including installation, configuration diagnostics, planning and upgrades for Jboss Application Server.
• Deploying HA & DRS Cluster, Managing resources.
• Creating new VM’s and Installing different guest OS like Windows server, Linux and Sun Solaris. Creating virtual NIC’s for the respective VM’s and assigning the network connections to a particular port group in the Vswitch’s. Involved in Managing, Installing, and Supporting Windows 2003/2008 Servers, and VMware ESX Servers 4.0/4.1.
• Responsible for the installation, configuration and support of VMware and the daily management/monitoring of the virtual environment.
• Creation of templates from VMs and Creation of VMs from templates
• Hands on working with Cisco NDS and DirecTV interfaces DRMS, DRMS-LG, DCCS, SGW, CARM etc.
• Installed Service monitoring ‘NDS watchdog’ on Linux.
• Assisted various testing groups and documenting procedures for testing and utilizing any open source tools such as Apache.
• Installed the packages onto the Server delivered from NDS team as per the requirements.
• Implemented Cron Jobs for the automation of various processes.
• Creating all the new Users added to the team giving them appropriate permissions.

Environment: Red Hat Enterprise Linux 4.x, 5.x, 6.x, VMware ESX/ESXi, vCenter Server, VMware Update Manager, Oracle, Veritas Cluster, HP, CISCO UCS.

Confidential, Bronx, NY

Linux/VMware Administrator

Responsibilities:

• Install RHEL directly on HP Rack mount servers using PXE boot and ILO.
• Experience in solving day to day troubleshooting related to Network, Resource Allocation and Resource Availability.
• Installed, configured and upgraded Red Hat Enterprise Linux 4.x to 5.x and configured various patching schedules to meet quarterly patching criteria.
• Migration of high priority process to different hosts using vMotion and converted/consolidated various physical servers to virtual by using various performance metrics.
• Adding new development user accounts, removing users, resetting user accounts in Red Hat Enterprise Linux to allow new developer access to Red Hat Servers.
• Building VM’s and new Templates for new projects and allocating them to appropriate resource pools.
• Deployed various Red Hat Enterprise Linux/Windows 2003/2008 R2 virtual builds using a combination of VMware Templates and Power Cli.
• Responsible for binding any new LUN and configuring storage groups using On Command Manager.
• Assessment, design and Implementation on the vSphere Upgrade, 400+ ESX hosts upgraded from VMware ESX 4.0 to ESXi 4.1.1.
• Expertise in the area of Virtualization with installation, configuration and administration of VMware ESX 4.0, VMware Esxi 4.1.1, vSphere 5 servers, and vCenter Server 5.
• Experience in managing and configuring multipath based solution and well experienced in working with Storage
• Administrators to configure SAN based LUNs in Red Hat Enterprise Linux.
• Understanding of various VMware features like VMware HA, VMware DRS etc. Extensive experience in installing and configuring storage technology such as SAN, NAS, iSCSi and RAID.
• Expertise in P2V Migration using VMware Converter. Expertise configuring Aggregates, Volumes, LUNs and Initiator’s groups to create and modify LUN’s using On Command Manager.

Environment: Red Hat Enterprise Linux 4.x/5.x, HP Rack Mount Servers, PXE boot, ILO, vMotion, Windows 2003/2008, VM ware ESX 4.0/ESXi4.1.1, Power Cli, On Command Manager, vSphere, vCenter Server 5, SAN, NAS, iSCSi, RAID, VMware Converter.

Confidential, Jacksonville, FL

System Administrator

Responsibilities:

• Administration, Installation and maintenance ofLinuxand Windows Servers.
• System monitoring and security. Wrote various shell scripts to monitor system services and trigger email and pager notifications.
• Managing file systems and disk management using LVM. Creating and restoring the backups inLinux.
• Installation, configuring all the hardware, peripheral, operating system and software to effectively deliver system time.
• Configuration and administration of NFS environment.
• Bourne and K-shell scripts were developed for regular system maintenance.
• Troubleshooting and fixing the issues at User level, System level and Network level by using various tools and utilities.
• Maintaining updated documentation of all the Servers and the installed applications and patches.
• Involved in the TCP/IP network configuration, Creating and deleting the user accounts across the location.
• Worked with off-shore team and provided required support.
• Monitored and maintained backups in Symantec.
• Installed IIS 6 on Windows 2003 Servers.
• Managing Remote Servers through Terminal Services Manager.
• Routine maintenance activities for optimal performance
• Installing and Set up Print servers in the Network.
• Creation of templates from VMs and Creation of VMs from templates.
• Setup environment based sudo permissions to allow developers to perform routine activities including running start/stop scripts in development environment.
• Respond to emergency calls relating to server performance, diagnosis of problems, repairing problems or calling upon appropriate vendors to resolve the issue.
• Preparing monthly work status report.
• Configuration and Administration of NFS, DHCP, FTP, LDAP and Sendmail.

Environment: Windows 2003, 2008 R2, RHEL 4.x, 5.x, LVM, IIS, Active Directory, Networking, DNS, DHCP, TCP/IP.