Summary:

• 10 years of extensive experience in Unix system administration. Worked on different versions of Unix OS such as Sun Solaris , HP-UX and Linux environments.
• Installation and configuration Sun Solaris ver 7,8, 9 and 10 on Sun servers such as v20 , v240 , v440 , v480 , v490 and v880 mid range servers.
• Installing and configuring HP-UX ver 11i v1 , v2 and v3 on HP high end and mid range servers such as Superdome , rx8640 , rx7420 , rx6600 and BL870C , BL860C servers. Worked on Itanium and PA-RISC architectures.
• Installing and configuring Red Hat Linux version 3 and 4. Administered and supported Red Hat and Cent OS linux server in Production environments. Perform patch installation , OS administration , troubleshooting hardware problems and resolving performance related issues.
• Over 4 years of experience with SAN. Configuring SAN switches and performing Zoning.
• Well versed with Solaris Jumpstart technology and HP Ignite-UX tool. Experience in building and cloning Unix systems using the system tools. Experience in creating Golden image used for building HP servers. Experties in recovering OS using Solaris and HP tools.
• Expertise in Virtualization technologies from Sun and HP. Knowledge in setup and configuring of Solaris Zones in Sun High end servers. Expertise in Vpars and Integrity Virtual Machine IVM .
• Plan , deploy and configure High Availability clustered environment using Veritas Cluster on Sun servers and HP MC/ServiceGuard software. Work experience on Sun Cluster 3.1 configured in SAP environment.
• Hands on experience with Veritas Volume Manager , Sun Solstice Disk suite and Logical Volume manager.
• Infrastructure support for the Production SAP environments build on Sun Solaris and HP high end servers. Perform migration of the Production SAP environment. Refresh of the Pre-Prod SAP environment using HP Business Copies configuration and scripts.
• Experience with Veritas Net backup and HP data protector backup software's.
• Write Perl and shell scripts to automate system administration tasks, batch jobs and monitoring system resources.
• Experience in implementing security policies for the organization. Experience with Hardening of the servers.
• Providing 24x7 on call support for the Production servers in the larger environment consisting of 150 Sun Solaris , HP-UX and Linux servers.
• Experience in working with the Oracle and SQL database installed on Unix servers. Providing support to the DBA to resolve the critical issues related to Unix operating environments.
• More than 2 years of experience in supporting Production environments consisting of Weblogic 8.1 , 9 and 10 domains. Experience in migrating Weblogic domains from 8.1 to 10
• Experience in configuring and troubleshooting Business Copies in HP XP Arrays PVOL SVOL's environment.
• Knowledge of TCP/IP , DNS , FTP , SSH , SCP , SSL , NFS , SFTP , SUDO and RBAC.
• Configuring and administering LDAP server and clients on HP-UX servers.
• Well versed with system performance monitoring tools related to Unix operating environments.

Skills :

Professional Work Experience:

Confidential

IT Consultant/Technical Lead

• Install and administer Red hat Linux 3 4 environments. Providing support for the Production servers on 24x7 basis. Install and configure HP-UX 11.23 and 11.31 on Itanium servers.
• Install and configure high availability clustered environments consisting of Veritas and HP MC/ServiceGuard cluster.
• Install and configure Vpar's and Integrity Virtual machines on HP Unix servers. Provide support for the Vpar's/hardware changes in the Business Critical Application servers.
• System administration tasks related to Linux and HP-UX Operating systems. Day to day jobs includes providing support for the Business critical systems, monitoring system health, perform hardware troubleshooting, support change management.
• Perform patch analysis, patch testing and installation patches in Linux and HP-UX environments following the SDLC standards.
• Providing support for the SAP applications running on Unix servers. Migrating SAP applications from the old environments to the new hardware. Perform refresh of the Pre-Prod SAP application environment using Business Copies scripts and configuration files.
• Perform File system administration using Veritas Volume manager and Logical volume manger tools . Configure SUDO to provide access to the user ID's.
• Perform root cause analysis of problems associated with Unix environments. Provide the performance reports , logs and possible solution to prevent the problems in future.
• Write Shell and Perl scripts to automate most of the monitoring and batch jobs tasks.
• Support the DBA and application teams to resolve the critical issues related to performance bottleneck , implementing new functionality or migrating Apps/DB to the new environments.
• Participate in the Disaster recovery drill. Plan , co-ordinate and perform DR for the critical servers hosted in the Unix environments.
• Provide support for the 150 Unix servers installed in Large environments which includes Linux and HP-UX servers.
• Provide technical specifications and direction to identify the problem in large environment.
• Experience with installing and configuring powerbroker software in large environment.

Confidential

Sr Unix Administrator/Weblogic Administrator

Unix Administration

• Install and Configure HP-UX 11iv2 and 11iv3 operating environments from the Ignite-UX server. Support HP-UX 11iv2, 11iv3 Operating Environments running on Itanium architecture.
• Install and configure Red Hat Linux Operating environment ver 3 and 4. Troubleshooting performance issues, hardware or OS issues related to Linux OS.
• Perform Zoning in Cisco Virtual SAN switches and assign LUNs from the IPStor server to the Linux and HP-UX servers installed in the environments.
• Plan and deploy Integrity Virtual environment. Troubleshoot issues related to the IVM.
• Write Shell Perl scripts to monitor server logs, collect system information , monitor system resource , automate nightly batch jobs.
• Setup LDAP on HP-UX 11.23 system. Configure HP-UX and Linux clients to the LDAP server. Authenticate user on Linux/HP-UX system to use LDAP server for authentication.
• Setup Ignite-UX server. Create Golden image of the HP-UX OS. Configure Ignite-UX server to use the Golden image. Perform cloning of the HP system using Ignite-UX server. Configure Ignite-UX server as boot helper.
• Configured tool like NFS , SSH, SFTP , SSL , SCP for the Unix environments.
• Monitoring system logs and troubleshooting performance errors related to it. Prepare document for all the major activities.
• Install and configure Apache web server on HP-UX servers.
• Perform administration of DNS servers. Provide support for the WIKI tool installed on Unix servers.
• Provide support to the DBA for implementing SQL and Oracle database on Unix servers.

Weblogic Administration

• Install and configure weblogic 8.1,9 and 10 domains. Configure JDBC , JMS Queues in weblogic domains.
• Provide support for the Weblogic production servers. Deploy applications in production environments.
• Provide Support for the 3rd party Applications xPression and IDM running on weblogic servers.
• Experience in migrating weblogic domains from 8.1 to 10
• Configure weblogic server to start stop from Node Manager via WLST scripts. Write WLST scripts to deploy/undeploy applications on weblogic server or to start and stop weblogic domains or monitor system resources.

Confidential

Sr Unix Administrator

• Install and configure Solaris ver 8,9 10 on Sun Enterprise systems. Administration of Sun Solaris servers in larger production environment with more that 200 servers.
• Administered Red Hat Linux version 3 and 4.Provide support to the application teams for the application installed on Red Hat Linux.
• Install and configure Veritas cluster VCS 4.0 on Solaris servers. Troubleshoot the issues related to clustering. Provide detail plan, supporting document when planning to change the cluster configuration.
• Experience with Solaris Zones/Containers , LDOMs ,SMF , Solaris resource manager and DTrace.
• File system administration with Solaris volume manager and Veritas Volume Manager.
• Configure Jumpstart enterprise Tool kit to Install Sun operating systems.
• Automated most of the task by creating shell scripts.

Confidential

• Setup of SAP infrastructure which consist of Sun Solaris servers v240 , v440, v480, v890 , Sun Storage Arrays SE6920 , Qlogic 5200 SAN Switches , Veritas Netbackup version 5.0, Automate Tape Library SL500 and Solaris 9 operating environment.
• Configure Jumpstart server to install and configure of Solaris 9 on Sun servers.
• Plan , Install configure of Sun cluster 3.1 on v890 Sun servers. SAP applications were running on the cluster and configured the failover of the applications to run on alternate nodes.
• Configure Qlogic 5200 SAN switches and implement zoning in the switches. Created the LUNs on the Sun Storage Array SE6390 and assign it to Sun servers.
• System Administration activities related to Sun Solaris Operating environment. Implemented the security policy for the SAP infrastructure.
• Install and configure Veritas Netbackup 5.1 using Automated Tape Library.
• Perform the recovery test of the Solaris OS using jumpstart technology.
• Design Firewall policies for the network.
• Configuration of secured Solaris environment using tools like SSL, SSH, SFTP, SCP etc.

Confidential

• Installation and configuration of HP Superdome SD332A , rp8400, rp7420 servers. Creating Hardware partitions Npar in Superdome servers.
• Installation troubleshooting of HP-UX 11i v1 and v2 operating environments. System administration tasks associated with HP-UX OS.
• Performed the capacity planning for the Infrastructure Design of HP-UX servers based on the business needs and requirements.
• Knowledge sharing providing training of all the activities performed at the clients premises to the offshore resources within the organization.

Confidential

• Setup of High Availability environment using HP 9000 Clustered servers rp7410 , rp7420 , Brocade switches 2800 3800 HP Virtual Array VA 7110 and va7100 as storage.
• Provide 24x7 support for the MC/ServiceGuard Cluster installed in Production environment.
• Install and configure VPars, Npars in HP-UX mid range servers. Provided support for the modifications/upgrading Vpars in PA-RISC servers.
• Installed and configure Brocade SAN switches. Performed Zoning in brocade switches based on the Project requirements.
• Installed and Configure Virtual Storage Array VA7100 VA7110.Created the Luns on the arrays and presented them to the HP servers.
• System Administration activities for the HP-UX 11i 11.0 operating environment. Patch management, installation and configuration on HP servers. Performed hardware and software upgrade of the HP production environments.
• Proactive support for patches firmware upgrades. Monitoring of servers by checking logs and troubleshooting the problem.
• Configure HP Omni backup software as a cluster package to provide High availability. Provide support for the backup and Tape Library issues.

Confidential

• Administration of Sun Solaris operating system ver 7 8.
• Installation troubleshooting of Sun servers Enterprise E250 420r.
• Monitoring server by checking logs rectifying the errors.
• Implementation of NFS NTP on Solaris operating environment.
• Installation troubleshooting of SCO UNIX servers.

Confidential

• Installation troubleshooting of Sun Solaris Sco UNIX servers.
• Monitoring of servers Sun Sco UNIX servers.
• System administration of Windows NT 4.0 and Win 2K servers.

Confidential

• Installation troubleshooting of SCO UNIX servers, Windows 95, 98 NT workstation.
• Installation troubleshooting of Acre servers, HP net servers with RAID.