SUMMARY

• Over 6+ years of UNIX System administration in HP - UX (10.x, 11.x), IBM AIX (5.x), Linux (Red Hat 4/5/6).
• Server Installations, configurations, upgrades and migrations on CentOS and Red Hat Linux.
• Configure and manage Middleware and web tools such as Apache, Tomcat & Web Sphere.
• Storage Provisioning, Volume and File system Management using LVM Logical Volume manager and Configuring ZFS file systems.
• Customized patching and maintenance of HPUX, Linux servers on regular schedule.
• Worked on different platform on SUSE Linux which includes 10.x,11.x,12.1
• Regular work involving building new Linux Physical and Virtual servers using kick-start and PXE for network boot.
• Good working knowledge of network & UNIX security procedures.
• Administrating and troubleshooting Red Hat Cluster Suites.
• Participate in installing and configuring of UNIX/Linux based Oracle 10g, 11g & 12c products.
• Managed 20,000 physical UNIX servers, running multiple instances.
• About 3500 virtual machines running on Cisco UCS blades and Managed through Cisco UCS manager.
• Strong knowledge of large-scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning.
• Experienced in working with Network Engineers to install, manage, and configure NAS/SAN based storage and insure overall system and network security.
• Worked with WebSphere team in order to configure WAS instances for BMC patrol monitoring tool.
• Hitachi, EMC SAN installation and tuning of NetBackup server environment and managed through NetApp.
• Provide 24x7 on call server support for UNIX environment.

TECHNICAL SKILLS

Hardware: HP, DELL, IBM P-Series & Cisco Blade Servers.

Servers: Web Sphere Application Server 3.5-7, Apache 2.2-2.4, Tomcat 5.5-7Languages Bash & SQL and able to modify Perl.

Applications: Sensage/Hawkeye, Ops Console, VMware VSphere client, Vrealize, InfoBlox, Mark monitor, Samba, Quest tool (VAS), Nagios, Chef, Puppet, Spacewalk, NetApp & Tivoli Storage manager (TSM).

PROFESSIONAL EXPERIENCE

Confidential, Louisville, KY

Linux System Engineer

Responsibility:

• Provide technical support for standard activations, development and maintenance activities and issues.
• Setup for kick start environment for Linux production and test systems.
• Knowledge of built, manage and maintain Cisco UCS enclosure and Blades.
• UCS cluster redundancy testing to ensure VMware v-Motion capabilities and full redundancy of cluster (HA).
• Rack/Stack, Cables, Logical configuration, deployment of UCS clusters.
• Provide remote support for field engineers.
• UCS project to stabilize the environment migrate to UCS central, create standard server profile policies.
• Managing database, storage, and Network and System management teams.
• Using of Infoblox to assign DNS and DHCP/ Dynamic IPs for the environment.
• Assign IPs with 3rd party tools for external facing application (DMZ) through Mark Monitor.
• Restoring and backup from NetApp Console.
• Patching Linux OS and upgrade Linux service packs on different flavors..
• Knowledge of Ops Console for ticket remediation and change management.
• Configure and maintain VMware vSphere server and web client on windows server 2012 R2.
• Support 3500 virtual machines running for multiple applications and databases (Hana, SQL, Oracle).
• Monitor and maintain physical and virtual environment.
• Using Nagios for monitoring and control-M for job scheduling.
• Managing the configuration of Linux through Puppet declarative language.
• Using puppet manifests to store the files.
• Work on problem of diverse scope where analysis of data requires evaluation of identifiable factors.
• Write methods of procedure documents and templates for internal and external execution.
• Respond to audible and visual alarms by taking ownership, creating trouble-tickets, trouble-shooting the causes, and escalating accordingly.
• Provide technical support and respond to support requests from consumers call centers, Enterprise customers, and several internal HNS support teams.

Confidential, PA

Unix-Linux Systems Administrator

Responsibility:

• Troubleshooting all kinds of UNIX problems and assisting users.
• User and Group administration in Linux and Solaris environment.
• Acquiring & Initializing LUNs in clustered environments through Windows Server 2008 R2.
• Windows Server 2008 Hyper-V virtualization configuration for servers.
• Administer Microsoft Windows Servers (Active Directory), Microsoft Workstations, and network security devices.
• Day to day resolving ticket issues.
• Responsible for migration of Microsoft Virtual Servers and VMware GSX servers to ESX platform.
• Diagnosing and resolving systems related tasks in accordance with priorities setup in dealing with trouble tickets.
• Install, configure and administer MQ 5.3/6.0 on Linux and Windows environments.
• Configuring and maintaining virtual server environment using VMWARE ESX/ESXi/, VSphere 4.x.
• Maintaining production tools for day - to - day operations.
• Provide 24x7 on call escalation support on rotation basis.
• Installed and configure over 1200+ Linux Servers (Red hat and Centos) both physical and virtual machines.
• Maintain and installing of RPMs and custom package repositories. Deploy, install and configure.
• Hand on experience in data center, work with architecture team to design test, build and support Cloud infrastructure.
• Installation of operation system patches, updating the maintenance levels when required, when server went down coordinated with IBM-Data center to Bring up the server within the time period.
• Experience in writing SQL queries for Hawkeye application.
• Good knowledge of writing shell scripts to automate the system.
• Configure and manage Middleware and web tools like Web Sphere (WAS 7).
• Worked on a security tool so that it can capture and store event data for analyzed and generate reports that detect fraud.
• Using spacewalk for provisioning, patching and configuration.
• Using Puppet to manage Configuration on Linux boxes.
• Configure and maintaining SMTP, SNMP & SNTP server on Linux machines.

Confidential, Dallas, TX

UNIX-Linux Administrator

Responsibility:

• Troubleshooting all kinds of UNIX problems and assisting users.
• Involved in installing infrastructure and maintaining the performance of server, availability. Storage system software and functionality and interface components.
• Involved in hardening security on all UNIX servers.
• Experience in Web and Application Servers Web logic 10.3.x or 9.x.
• Responsible for set up of BMC Patrol Agents V3.6.50.11i and 3.6.60i environment on UNIX Servers.
• Involved in troubleshooting shell scripts.
• Wrote & automated security audit scripts in the environment.
• Knowledge of Kick start and PXE administration for new builds.
• Administering and troubleshooting of Red hat Clusters.
• Installing Update through Red Hat satellite Server
• Created RAID volumes using RAID Controllers and LSI Hardware
• Provide lead role in planning, designing and setup of all new UAT and DEV environment.
• Install and configure ftp servers running wu-ftpd 2.6.
• Creating Linux virtual machines using VMware virtual center.
• Configure RIAD level 10 High I/O rates and best performance.