Objective:

I am seeking a position as a Linux System Administrator to utilize my skills in a productive way and gain further knowledge in my area of expertise

Summary:

• Expert in Configuring SAN using Multipath and Power path.
• Monitored Network services using NAGIOS , CACTI and SPLUNK
• Experience in networking with LAN, WAN, Routers, Gateways, etc
• Configured and maintained System Security using IPTABLES and TCPWRAPPERS
• Knowledge of SAN architecture in Netapp
• Basic scripting done in Bourne shell, awk and Perl
• Worked with Redhat Package Manager RPM and YUM
• Thorough experience on Linux based server solutions like Apache, Sendmail, FTP, DHCP, DNS/NIS, SAMBA and NFS with AUTOFS
• Experienced in Disk Management, software RAID solutions using Logical Volume Manager LVM , VERITAS Volume manager VxVM , File system Tuning and growing using VERITAS File System VxFS
• Good knowledge of Storage Area Network SAN , EMC CLARiiON/V-MAX/DMX/Power Path, Hitachi, HP-EVA, NAS, DAS.
• Worked on Kernel Patching with different distributions. Checking Kernel Parameters for better Performance Tuning
• Performed Datacenter infrastructure maintenance including racking, cabling and troubleshooting
• Strong technical support background includes Network Design, System Security and Administration
• Experience on HP MC ServiceGuard and Veritas Cluster Systems as well as Veritas advanced journaling file systems VxVM and LVM management.
• Hands on experience in HP-UX system setup, administration and upgrade
• Administration of VM infrastructure with Virtual Center management server and provisioned VM guests.
• Design, setup and Supported the three node Oracle 10g Real Application Cluster RAC
• Experience in Installation and administration of Virtual environments with VMware ESXi 4.1, ESX 3.x Servers and Virtual Center 2.X.
• Expert in system auto-building using Kickstart-PXE and automating all aspects of operations
• Installed, Configured and maintained Redhat Satellite Server.
• Experience in installation, configuration, backup, recovery, maintenance, and support of RedHat Linux , Solaris and HP-UX
• Over 7 years of Experience in Linux/Unix System Administration
• Expert in Configuring Custom Redhat channels, creating standard Kickstart Profiles, Applying Secure patches with Redhat Satellite server.
• Good communication and organizational skill.
• Excellent match for time critical requirements.

Technical Skills

Experience:

Confidential

The work Involved:

• Responsible for system maintenance and administration
• Build, install and integrate Redhat 5.X on VMware Vsphere and accommodate the hardware resources to the Virtual Servers.
• Installation and administration of VMware vSphere ESXi 4.1
• Storage migration in VMware ESX server using VMotion
• Worked on Setting up a satellite server for patches and packages management
• Worked in built/configuration of a 4 Node Oracle 11gR2 RAC Environment.
• Supported Websphere/Weblogic Application Servers
• Disk Management using VERITAS Volume manager VxVM , File system Tuning and growing using VERITAS File System VxFS
• Installed, configured and managed Red Hat Cluster Suite and Veritas Cluster Server in Linux and Solaris servers.
• Worked on implementing strategy and Implemented DR scenarios.
• Perform implementation and introduction of both operations standards and administration standards, including standard run-book maintenance for system stability
• Install Java-based applications developed by vendor partner, thePlatform, and deploy Comcast code.
• Handle escalations from Production Support and Comcast teams as teir1 Support
• Troubleshoot and triage issues arising in Development, Staging and Production environments.
• Handled P2 migration process for physical servers integrating them into the server farm
• Consisting of Dell Power-edge servers using VMware converter
• Improve software testing procedures and create documentation to empower the expanded team, including US as well as Off-shore resources furnished by Cognizant.
• Fully manage and maintain production and development LINUX servers.
• Monitor, operate, and manage all trading applications running on LINUX platforms.

Environment: HP Prolant DL300 500, BL360 Dell PowerEdge R900, R710, RHEL 4/5/6 ,VMware 3.5, VSphere 4.0, VMware converter, Oracle 10G/RAC, Websphere, Netapp, EMC SAN NAS ,Cisco N/W tools.

Confidential

The Work Involved:

• Applying secure patches and configuring Kickstart profiles through Redhat Satellite Server.
• Maintained and upgraded VM Ware ESX 3.5 to Vsphere
• Administered VI infrastructure with Virtual Center management server and provisioned VM guests
• Responsible for implementing Data center change requests supporting developer problems.
• Troubleshooting Web applications using Fiddler
• Install, configure and maintain Oracle ASM in Linux Environment
• Handled P2 migration process for physical servers integrating them into the server farm consisting of HP ProLiant servers using VMware converter.
• Installed and configured Jetty Application Server 6.X
• Automated administrative tasks using bash shell scripts.
• Configure SAN on multipath and prepare the servers according to the Oracle Standards
• Design, setup and Supported the three node Oracle 11g R2 Real Application Cluster RAC using ACFS Filesystem
• Manage and deploy appropriate packages for the Red Hat Clients via Channel setup configured in the Red Hat Satellite Server
• Handled P2 migration process for physical servers integrating them into the server farm.
• Monitor the Server functionality, generate an accurate report of the statistics of all the built-servers and document the necessary patches, upgrades or packages installed.
• Monitored the performance of the system using conventional Redhat Tools.

Environment: HP Prolant DL300 500, BL360 Dell PowerEdge R900, R710, RHEL 4/5,VMware 3.5, VSphere 4.0, VMware converter, Oracle 10G/RAC, Websphere, Netapp, EMC SAN NAS ,Cisco N/W tools.

Confidential

The Work Involved:

• Production Support on Redhat/SUSE/Solaris Systems in a 24/7 Production Environment to ensure maximum availability of all servers and applications.
• Installed and configured VMware Vsphere
• Worked as a key member on internal project teams to redesign and implement various components of infrastructure
• Monitoring, Patching, Security Using Redhat Satellite Server.
• Scripts written to automate support and provisioning tasks.
• Configure Remote management for the server hardware using ILO RSA.
• Work with system, network, security, and storage engineering teams to prepare and configure new servers for the environment
• Troubleshooting APACHE, JBOSS, MQ-CLIENT, and TOMCAT WEBLOGIC, problems in production, staging and QA environment.
• Worked on Configuring VERITAS Netbackup , Netapp Snapshots to Backup/Restore the data In case of Disaster Recovery
• Ability to analyze issues with Vendor and taking quick decisions to maintain the maximum uptime and availability
• Capacity planning and Performance tuning.

Environment: RHEL 3.0, 4.0 5.0, Sun Solaris 8,9 10, AIX V6 6.1, HPUX 10.x 11.x , VMware ESX 3.5, Oracle 9i,10g,11gR2, IBM Websphere, Weblogic, Apache, Websphere 6.1 , Veritas Netbackup ,BMC Patrol, DELL Power Edge 2950 R900 HP Blades BL460c , 680c

Confidential

The work Involved:

• Installed , Configured and Supported Redhat 4/5 AS , SUSE and Solaris 9/10 , HPUX 10.x and 11.x in Dell/HP/SUN Hardware
• Configured Custom Redhat channels, creating standard Kickstart Profiles, Applying Secure patches with Redhat Satellite server.
• Setup and supported Oracle RAC , ASM and Oracle application servers on Linux
• Created Automated Scripts for daily File system backup of complete HP-UX/Sun Systems using utilities such as ufsdump, fbackup, dd and tar.
• Installing and configuring various services like NFS, Apache, Tomcat, NIS, Samba, SSH, Telnet, http, RPM Package Management
• Implementation of advanced partitioning schemes using Software Raid and LVM
• Configuring Storage to Linux systems using Multipath
• Monitoring system resources, logs, disk usage, scheduling backups and restore
• Setup and configure failover load balancing using ip bonding for network cards.
• Supporting web development and database teams for day to day operations.
• Worked on Configuring Netbackup Client, Creating policies for file system and DB backup.
• Code deployments , Performance Monitoring using Wily and Troubleshooting in WAS 6.1
• Involving in Daily incident management and resolves the day to day problems raised by the users and incidents which are logged by Event monitoring system.

Environment: RHEL 3.0, 4.0 5.0, Sun Solaris 8,9 10, AIX V6 6.1, HPUX 10.x 11.x , VMware ESX 3.5, IBM Websphere, Weblogic, Netapp, EMC , Apache, Websphere 6.1 , DELL Power Edge 2950 R900 HP Blades BL460c , 680c

Confidential

• The work Involved: Installed, Configured and Supported RHEL 4.6/5.3 AS Installation, Configuration and maintenance of VM's on VMware ESX. Successfully implemented Kickstart-PXE for the first time in the environment
• Design and set up a three node Oracle 10g Real Application Cluster RAC
• Associated with DBAs for installation of Oracle database RAC on Linux servers for tuning, backup and restore
• Configured multipath for SAN Configured IP bonding for failover load balancing Scripts written in BASH for the automation of post-build steps and basic hardening Troubleshooting, patching, upgrades and back-ups when required Worked on data Migration from EMC to NetApp Storage migration in VMware ESX server using VMotion
• Design and implemented Virtual infrastructure 3 10 ESX Servers, 50VM's
• Prepare a standard RUN BOOK for each migration methodology to be used for migrating all Linux servers
• Check and do the patch upgrade and Firmware upgrade for each migration server as and when required
• Check and do the HBA driver changes for each migration server as and when required
• Installation and configuration of multipath and removal of Powerpath in all the servers
• Copy of data outside the realm of NetApp's tool copies, i.e.: Set up any necessary mirroring Do any necessary file system copying, assist with any necessary tape restores
• Ensure that the new devices from Netapp are made online and configured on Linux file system
• Ensure that the data is copied by Netapp team and data is 100 integrity and no slippage

Environment: VMWARE ESX 3.5, VSPHERE, RHEL 3.0, 4.0 5.0, Sun Solaris 8,9 10, AIX V6 6.1, VMware ESX 3.5, IBM Websphere, Weblogic, Netapp, EMC DMX, CLARiiON, Apache, Websphere, MSSQL, Windows Server 2003, DELL Power Edge 2950 R900 M600, 610

Confidential

• The work Involved: Installed, Configured and supported RHEL 5 in a load balancing environment Implemented VMware for server consolidation on stage servers Designed and implemented a set of tools to provide fully automated configuration of F5 Networks BIG-IP Load Balancing systems Deployed WAR Code on Websphere 6.1 in a production environment Scripts written for daily monitoring of servers regarding the number of hits, database connections and middle tier connections Scheduled daily jobs using Crontab
• Knowledge of IBM Websphere MQ installation for handling storage, timing issues and triggering
• Configuration and troubleshooting of IPTABLES, NIS, SENDMAIL, SAMBA and DHCP Server
• Performed occasional off-hours and remote support
• Capacity planning and performance tuning

Environment: VMWARE , RHEL 3.0, 4.0 5.0, Sun Solaris 8,9 10, AIX V6 6.1, VMware ESX 3.5, IBM Websphere, Weblogic, Netapp, EMC DMX, CLARiiON, Apache, Websphere, MSSQL, Windows Server 2003, DELL Power Edge 2950 R900 M600, 610