Summary

• Over 10 years of experience as a System Administrator on both UNIX (AIX, HP-UX, Linux & Solaris) and WINDOWS (95/98/NT/2000/2003/XP/2008) with SAN/NAS Storage.
• Experience on installation, configuration, problem determination, trouble shooting, tuning, security, backup, recovery and upgrades for various version of IBM AIX 4.3.3/5.1/5.2/5.3/6.1
• Working experience in installation, configuration, trouble shooting and administration of AIX 6.1, 5L & 4.3 using SMIT.
• Experienced in installation and configuration of IBM Blade servers (ex: JS 20, JS 21, PS700 and HS20).
• Good Experience in AIX Migration Installation, Preservation Installation and new & Complete Overwrite Installation and also experience on installing PTF & APARs.
• Strong knowledge & experience in LVM (Storage Methodology), Performance monitoring, Error logging, Diagnostics, Dumps and Fine-tuning.
• Worked on various AIX problem determination and used various tools to do the analysis and tuning to improve the performance
• Take mksysb for AIX and validate them on test servers and co-ordinate with backup team for data backup.
• Worked on websm client for p5 servers and also on HMC 6 & 7versions as well.
• Upgraded Firmware on p5, p6 and p7 servers on prod & non-prod servers.
• Experience on writing scripts (c & korn shell) for making job automation using crontab.
• Experience on GPFS for High availability which provides disruption-free maintenance with seamless capacity expansion and around the clock data availability.
• Experience on create NSDs, create File system, inode allocation, remove/add disks for GPFS.
• Experience on installation, configuration, and maintenance on HACMP and also upgraded the HACMP from one version to another. [version 5.1 to 5.2, 5.3 to 5.5]
• Worked on VIOS 1.5/2.2 on IBM p series servers with dual servers for high availability and migrated the VIOS from 1.5 to 2.1/2.2 and also done the fix packs for VIO servers.
• Worked on storage product like EMC, Netapp, IBM DS, SVC and XIV connected with various UNIX servers.
• Installed various EMC powerpath on AIX operating system on IBM p-series servers.
• Experience with various database like IBM db2, oracle RAC, sysbase, MS SQLs server.
• Worked on kintana, HPSD, remedy and Seibel 7 for ticketing system and experience on Change, Problem and Incident Management.
• Experience on installing and configuring Veritas netbackup, TSM on the client servers.
• Excellent organizational, planning, and problem-solving skills on a large scale unix & storage environment
• Worked on various monitoring software like BMC patrol, nagios etc. & suppress them during planned outages.
• Team player with excellent communication and inter-personal skills.

Education Qualifications
Diploma in Computer Science in UNIX, C programming, C++
Masters Degree
Certificate from IBM
PowerHA for AIX (HACMP) I: Installation and Initial Configuration
PowerHA for AIX (HACMP) II: Administration
AIX V5 Advanced CPU and Memory Performance Management
AIX 5L Starting with AIX

HARDWARE PLATFORMS
IBM RS/6000, SP2, p670/680/690(Regatta) series, p590, p550, p55A, p520, EMC Symmetrix & CLARiiON, ESS, IBM Blade Center JS20 / JS21, DS8100, DS4300.
SOFTWARES
AIX 4.3.3.0/5.1/5.2/5.3/6.1, VIOS 1.x & 2.x, Windows NT 4.0/2000/2003, Mac 9.0.4/x, Netscape server 3.x/4.x, Red Hat Linux 9, Fedora core 4, Red Hat Enterprise AS 4.0 and Red Hat Enterprise as 3.0, EMC, Power Path, IBM ESS SDD (Subsystem device drivers), DS6800, DS8100, DB2 UDB 5.2/6.1/7.1, Oracle 10g, Oracle 8i, sql server 2000, VERITAS net backup 4.5, 5.1, 6.0

Confidential, Phoenix AZ Oct 2010 – Till date
Sr.UNIX System Administrator

• Migrated AIX 5.3 to AIX 6.1 on P 750 servers using NIM server.
• Upgraded the AIX 5.3 TL 7 to AIX 5.3 TL 11 & AIX 6.1 TL 01 to TL04 & SP 03 on the development, test, QA and finally on production servers.
• Upgraded the VIOS from 1.5 to 2.2 using DVD & NIM server on dual VIOS environment.
• Upgraded the firmware on various servers to the current release on IBM p series servers using HMC
• Migrated HACMP from 5.3 to 5.5 on QA environment for two node cluster.
• Added to the hdiskpower for cluster VG and extend the filesytems.
• Use to take mksysb, backup for vios backup and also backup using TSM before doing any upgrades / changes.
• Work on remedy tickets and updated / resolve the tickets with in the SLA.
• Added HBA card for extending the storage and coordinate with IBM CE and Storage admin.
• Created new VGs, Logical volume and filesystems and extend the existing filesystems.
• Helped the application team for their peoplesoft installation and coordinate with DBA for all their request.
• Document all the new changes with appropriate screen shots for future references.
• Analysis the current system configuration and did the performance tuning.
• 24*7 on-call production support on rotation basis for AIX environment.

Confidential, Jacksonville, FL Jun 2010 – Oct 2010
Sr.UNIX System Administrator

• Building LPars/Mpars on P590/595 Servers – contract is for server builds and support
• Responsible for shorting the build process from 5 days per server to just under 8 hours per server
• Responsible for OS installation, support, upgrades, patches, service pack installations and troubleshooting
• Provided disaster planning and recovery on three servers; one live, one backup and one DR server
• Performed performance analysis/tuning and capacity planning
• Providing level 4 support and mentor level 1 and level 2 support members for daily AIX issues for both onsite and offshore team members.
• Support Oracle installation and configuration for the oracle server build.
• Migrated HMC from version 7.3 to 7.7 with fixpack 2 using NIM server method.
• Upgraded the firmware on P6 servers and couple of p7 servers as well.
• Migrated VIOS from 1.5.2 to VIOS 2.1.3.10 and fixpack23 using DVD & NIM install method.
• Migrated AIX 6.1 from AIX 5.3 on the nim server using DVD and use the lppsource & spot to migrate all other lpars.
• Upgrade the service pack 2 for powerHA 6.1 on eleven 2 node cluster.
• Worked on various outages and made the AIX servers up and running after completing the OS health checkup and work on the RCA to find out the reasons for the outage.
• Take MKSYSB for all the major changes on the servers and validate them before taking the outage for any hardware or software changes
• Working with E-commerce site to build AIX servers & linux using bladelogic
• Working on various ticket systems to update the changes with the SLA.
• Support the offshore team for any changes, upgrade, tickets, etc

Confidential, Arizona, USA Jul 2007 – Apr 2010
AIX System Administrator (Level 3 Support)

• Providing level 3 support to various IBM clients and mentor level 1 and level 2 support members for daily AIX issues.
• Support IBM and AoD (Application on Demand) Business Controls
• Worked as SME, PDL, for major client of IBM by reviewing the changes and approve them.
• Give approval to SRS and CSRS and complete my SRS within the SLA.
• Worked on various multi customer outages for many clients and made the AIX servers up and running after completing the OS health check up and work on the RCA to find out the reasons for the outage.
• Take MKSYSB for all the major changes on the servers and validate them before taking the outage.
• Verify and validate the san path during any storage changes like adding, removing disks.
• Worked with IBM Hardware engineer to add/remove/upgrade memory, change the processors, sysplanar, etc for various hardware related issues.
• Installation, configuration and maintenance of IBM AIX 5.3 on P-series servers.
• Having very good experience and knowledge on improving performance, tuning, security, backup and recovery on IBM P-series servers.
• Installed, configured and maintained VIOS 5.2 on various p-series boxes with AIX 5.2.
• I have contributed for creating new SOP and PNP Documents for AIX IOD team
• Installation on GPFS, created the clusters, create NSDs, create File system, Inode allocation, remove/add disks for the file systems, used Oracle on GPFS, etc
• I worked on HACMP with AIX 5.3 on P-series box from planning, implementation, testing, moved to production, maintenance support for 24*7
• I worked on HACMP Reconfiguration project for IBM BTO client.
• Support other level 3 team members, DBAs and SAP team members.
• I been an active team member for suggestion of new plans, helped for the expansions of the existing project requirements and test them and finally implemented successfully.
• Experience on BMC Patrol and guard to alert for server(s) issues
• IBM training completed On-time with IBM Learning Center.
• Worked on Seibel 7 for service requests, CSR, ECSR, etc,
• Have a very good theoretical knowledge on AIX 6.0
• Working on 24*7 on call support for various IBM clients.
• Supported Veritas Cluster Server 5.0 and 5.1 for Aix operating systems.

Confidential, GA, USA Jun 2006 – Jul 2007
Senior System Administrator

• Migrating Datacenter from one physical location to another location
• Creating bootable image and putting it on NAS boxes
• Putting the bootable image on tape device of F50 boxes
• Doing ADSM Backup on DR Systems
• Writing shell scripts to automate the processing for network and subnetting network routes
• Removing SAN attached devices (EMC Clarion, EMC Symmetrix , DS4100 and DS8100)
• Configuring the fiber on both the ends server and connectrix
• Configuring powerpath and finding the paths for the disks in case of any missing disks.
• Moving HACMP cluster from one location to another. Installed and configured HACMP 5.3
• Configuration & maintenance of HACMP 4.5 clusters
• Installed and upgraded operating systems for AIX 4.3.3-5.1/ 5.2, 5.3 and applying fixes and ML/TL
• Skilled with IBM Regatta p670/680 and 690 series.
• Installed and configured VIOS
• Installed and configured Logical Partitions technology (LPARS)
• Installation and Configuration of AIX using NIM
• Configuration of Application Server in resource group
• Monitoring cluster health by checking logs files
• Creating mirror at oslevel for rootvg and Creating/managing file systems sizes.
• Installing configuring performance meter to take exact view of system performance.
• Supported hardware including IBM BladeCenter blade server hardware HS20, HS40, and JS20s(PowerPC) and older IBM RS6000 (models F50 and 43P)
• Experience in pSeries hardware; p5 570 (64-bit POWER5+ and POWER5 processors based) symmetric multiprocessing (SMP); p5 550 and management for xSeries BladeCenter Servers JS20 /HS20; pSeries (POWER4 processor-based)
• Administered Tape Library and converted from SCSI tape drives to Fiber interface Tape Drives.
• Installation and configuration of Websphere, DB2 on AIX servers.
• Instituted logical volume and disk management.

Utilized KSH and Perl for scripting

Confidential, Tallahassee, FL May 2004 – Jun 2006
System Administrator

Confidential Boston, MA Nov 2003 – Apr 2004
AIX System Administrator

Confidential Mumbai, INDIA Feb 2001 – Oct 2003
System Administrator