SUMMARY

• Over 10 Years of specialized IT experience in AIX/Linux/Solaris/Windows Administration and storage experience in administering Hitachi Enterprise storage arrays.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades ofIBMAIX 5x, 6x, 7x, Win NT/2000 Server &Linux(Red Hat 5.5/6.3/7) in a large environment.
• Extensive working experience of managing, troubleshooting IBM Power7, Power6 and Power5 (P520/P550/P5 55A/p5 52A/P750/P710) series systems.
• Experience in monitoring the availability &performance of AIX, Linux Serversthrough tools like vmstat, netstat, svmon, nmon, lparstat, vmstat and iostat.
• Knowledge on P2V and V2V migrations of Linux hosts.
• Well Versed in Installing, Configuring Application Servers like IBM Websphere 3.5/4.0/5.0, Tomcat, Apache and Web Servers like IBM HTTP Web Server, MQ, and Apache WebServer, Jboss on AIX and Linux.
• Configuration and maintenance ofNFS, Samba, Sendmail, LDAP, DNS, DHCP and Networking withTCP/IP on Linux and AIX.
• Received delivery excellence awardtwicefor mycontributionin the project.
• Experience in installing, configuring, upgrading and troubleshooting HACMP V5/V6.
• Experience with Data Migrations, Replications, Performance and capacity reporting.
• Building Micro partitions and configuring using HMC V6/V7.
• Expertise in migration from HACMP V 5.5 to HACMP V 6.1.
• Migrations of data from SAN SVC to XIV LUNs.
• Knowledge in VMware Infrastructure suite including ESXi, VCenter.
• Knowledge in taking care of Emulex and qlogic HBA’s.
• Administration of VERITAS volume manager.
• Disaster Recovery Planning.
• Installation of packages using Tivoli provisioning manager (TPM).
• Provided 24*7 Oncall production support based on Shift rotation.
• Good noledge of project management and ITIL methodologies and ITSM tools.
• Knowledge on TSM backups.
• Enjoy working in a group environment and equally TEMPeffective working independently.
• Detail oriented and able to balance priorities for tight deadlines
• Strong ability to learn, absorb and use new technologies quickly and work under minimal supervision.

TECHNICAL SKILLS

Languages: C, C++, SQL, PL/SQL, HTML, UNIX shell scripting (C Shell, Bash Shell & korn Shell)

Operating Systems: AIX 5.3, AIX 6.1, VIO 2.2.2.10, VIO 2.2.2.2, SUN Solaris 9/10, Red Hat Linux 5.5/6.3/7.1, WindowsServer 2000/2003/2008/2012 , AIX 7.1. Ubuntu.

Hardware: P520/P550/P5 55A/p5 52A/P750/P710 IBM hardware, Esxi 5.0 HDS VSP, USPV/USPVM, Cisco MDS 9500 and 9100 SeriesBrocade DCX Switches, SPARC T5 - 2, SPARC T5-4,TS 3500,TS3310 IBM E880, E870.

Databases: Oracle 9i/10g/11g,IBM DB2, MS-SQL Server

Virtualization Tools: VMware, Vcenter, Vsphere

Storage Management Tools: Hitachi Storage navigator, HCS 7/8, HTSM, UVM, HTNM, RAIDCOM, HUR, HDP, HDT, TC, SI.

Others: HACMP 5.5/6.1, GPFS, Active Directory, Yield Book, HMC V6/V7, CA Ehealth, TPM V7.1, CA Spectrum, Harvest, NetApp, IBM Storage, Symantec NetBackup 7.1, LTFS EE V1.1.1.2

PROFESSIONAL EXPERIENCE

Confidential, Indianapolis, IN

Senior Linux/UNIX Administrator

Responsibilities:

• Support for AIX, Windows, and Linux problems assigned by client operations.
• Providing 24X7 and on-call in production support.
• Administration of RHEL 5,6,7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting on both Pseries and vmware virtualization systems
• Creating, cloning Linux Virtual Machines, templates using VMware vsphere client 5 and migrating servers between ESXi hosts.
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Performed package administration on Linux using rpm and yum thru RHN Satellite and subscription manager.
• Assigning resources (CPU, Memory and Disk) from vsphere client to Windows and Linux VM’s.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, firewall, network logging of servers for maintenance, performance tuning, testing.
• Tech refresh of Linux servers including new hardware, OS upgrade, application installation.
• Installation, configuration of Redhat servers via Kick start and PXE Boot.
• Worked on KVM, installing, configuring Linux VMs.
• Installation of ssh and Configuring password less login using ssh-keygen on AIX and Linux.
• Management of Se Linux policies.
• Installation of Oracle 10g/11g on AIX & Installation of oracle client on AIX and Linux.
• Configuration and administration of FTP, DNS, LDAP, NFS, DHCP, FTP, Sendmail and Weblogic in Linux & AIX.
• Planning and performing various tasks related to AIX and Linux Logical Volume Manager.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Installing and configuring Apache, Jboss and supporting them on Linux production servers.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, NMAP.
• User Administration and Group Management in AIX, Windows and Linux.
• Identifying the LUNS provisioned from VIO and Configuring into AIX OS.
• Installing new software/filesets, packages and other third party applications when required by the developer or business in AIX, Windows & Linux.
• Simulation and decommission of SAN LUNS into VIOS environment.
• Building Micro partitions and configured using HMC V6/V7.
• Performed OS upgrade from 5.3 to 6.1 and TL upgrade 6.1.2.2 to 6.1.4.3 on AIX using NIM.
• Build, Installation and configuration of servers on P750 and P710.
• Management of systems security, firewalls, intrusion prevention, and identity management.
• File system management such creation, modify, checking file system integrity, working with fsck, File system housekeeping activities such as log files housekeeping, increasing file systems (Logical Volume Manager) if there is any data growth in both AIX, Windows and Linux.
• Decommission and commissioning of Linux and Windows VM’s using Vsphere client.
• Performance monitoring using vmstat, top, hog, lparstat, iostat, sar, topas, netstat and nmon and analyzing these reports to figure out any performance issues.
• Memory related performance issue like increasing or decreasing paging space in AIX, Windows & Linux.
• Managing of multi pathing tools like EMC power path, SDDPCM, Hitachi dynamic link manager.
• Configuring and administration of mksysb backupsonAIXservers.
• GPFS V 3.5 cluster Installation and configuration on AIX servers.
• HACMP 5.5 Install and configure.
• Upgrade of HACMP from 5.5 to 6.1 version.
• Configuring Oracle ASM Disks on AIX.
• HACMP Logical volume management increasing space of the FS, adjusting LPs of the LV’s to accommodate room for the growth of the filesystems, adding a new file system to already defined volume group using C-Spoc.
• HACMP - Monitoring servers, Starting and Stopping Cluster Services, moving resource groups across the nodes.
• HACMP failover and fallback testing, verification & synchronization.
• Performed DLPAR operation to assign resources like CPU, Memory to LPARS when there are any performance issues or needed by clients for.
• Creation of lpp source and spot for NIM to perform AIX OS upgrades/installs.
• Upgrading of VIOS Level from 2.2.0.10 to 2.2.2.2
• Migration of SAN SVC LUN disks to SAN XIV in AIX.
• Migration of Oracle, WebSphere and Informatica applications from AIX to Linux servers.
• Configuration and deployment of migration from source to target environment.
• Knowledge on HPSS and LTFS.
• Implementation of Live partition Mobility (LPM) to move LPAR from one CEC to another CEC.
• Creation and managing of oracle table spaces in AIX using oracle enterprise manager and running backups and archive Jobs.
• Installation, configuration and maintenance of IBM LTFS EE
• Implementation of active memory expansion using amepat statastics.
• Replacing failed disk and removing the SAS drive from Pseries.
• Decommission of unused LUNS from VIO Server.
• Configuration and administration of Dual VIO setup.
• Participated in disaster recovery process.
• Performance Analysis using Hitachi Tuning Manager
• Configuring HDP, HDT Pools and performed pool expansion.
• Knowledge on Oracle Veritas clustering.
• Storage provisioning using RAIDCOM CLI, Storage Navigator and HI Command suite.
• Externalizing storage and implementing tiered storage solution.
• Implemented and administered remote replication using Hitachi Universal Replicator.
• Implemented True copy to migrate servers from one location to other as part of date center relocation.
• Implemented and administered In-System Replication using Shadow Image.
• Creation of Oracle and MS-SQL server databases.
• Maintenance of tables paces in oracle.
• Backup and restore of databases in oracle and MSSQL Server DB’s.
• Performing Manual backup and resume of the servers or data using Netbackup and TSM.

Environment: AIX 5x, 6x, 7x, IBM Power7, Power6 and Power5, VIOs, NPIV, RedHat LINUX 5.5/6.3, Ubuntu, Windows, Oracle, DB2, Sun Solaris 9/10,SQLserver, Korn, Oracle RAC, C Shell, Yield Book, Razor, Vsphere, HMC, Tibco, HACMP, GPFS, VMware, CA Spectrum, CA EHealth, Netapp, TSM, Symantec Netbackup, Hitachi VSP, Hitachi Command Suite, Hitachi storage navigator, HUR, SI, TC, TSM, CSM, IBM XIV, SAN SVC, NAS, Autosys, TPM V7.1,CA Service Desk, Apache Webserver, MQ, Websphere Application Server & UNIX shell scripting.

Confidential

UNIX Administrator

Responsibilities:

• 24x7 Support on a weekly rotation basis to ensure availability of Servers.
• Daily management including File System issue, performance monitoring.
• User Account Management and password reset
• Samba installation, configuration & creation of shares on AIX & Linux.
• Involved in Linux patching.
• Filesystem management on Solaris, AIX and Linux
• Creating and Maintaining File Systems according to the required size.
• Creation of LPAR/DLPAR, micro - partitioning and installation of AIX.
• Involved in the administration of mksysb backup on the AIX servers.
• Configuring NFS on the servers, working with NFS mounts and related issues in AIX and
• Linux.
• Installation of Vertias netbackup on solaris, Linux and AIx.
• Full Restore of Windows systems using VERITAS NetBackup BAR.
• Installation of Symantec Netbackup Java Client Console for Netbackup Administration.

Environment: AIX 5x, 6x, Pseries servers, Solaris, Linux, Windows, Oracle, HMC, SAN SVC, CA Spectrum, CA Service Desk, CA E-Health, DS 5300, DS 3400, IBM SVC/XIV, shell scriptingNIM, HACMP, VIO.

Confidential

Jr. System Administrator

Responsibilities:

• 24x7 Support on a weekly rotation basis to ensure availability of Servers.
• Daily management including File System issue, performance monitoring.
• User Account Management and password reset
• Working on projects to support Application requirements.
• Creating and Maintaining File Systems according to the required size.
• Installation and confirmation of the IBM maintenance patches, installation and updating of the new softwares.
• Creation of LPAR/DLPAR, micro - partitioning and installation of AIX.
• Involved in the administration of mksysb backup on the AIX servers
• Assist Application department to install application on AIX system.
• Documenting changes and Configuration of Systems and keep it current.

Environment: AIX 5x, 6x, P series servers, Windows, Oracle, HMC, SAN SVC, Remedy, UNIX shell scripting, NIM, HACMP, VIOS.