AIX_-_Sabitha.doc

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SABITHA 972-845-7287

Summary

6 years of experience working as a system administrator in complex high endserver/client environment consisting multi-operating systems (with emphasis onLINUX and IBM AIX environment)and in which my responsibilities include design,installation, configuration, maintenance, tuning and troubleshooting of serversrunning on IBM AIX 5.3/5.2/5.1/6.1 .

• Extensive experience in installation, configuration, maintenance, design,development, implementation, and support on IBM AIX4.3.x/5.1/5.2/5.3/6.1.

• Extensive experience in Linux / UNIX administration and Enterprise ServerIntegration

•

Implemented anti-spam technology based on open source applications onLinux servers• Experience in Configuration of multiple logical subsystems utilizing IBM HMC

with LPAR configuration, NIM to install and manage LPAR, Virtualization onIBM P5 systems.

• Experience with IBM Middleware & Information management technologiesnamely WebSphereApplication Server, WebSphere Commerce Server,Tivoli and IBM Collaborative technologies (IBM Lotus Products) in amultiplatform environment.

• Installed AIX Base Operating System (BOS) with NIM.• Installation, administration of VIO Server and VIO client LPAR’S.• Experience in installation, configuration, tuning, security, backup, recovery

and upgrades of AIX.• Experience in Large production data center comprising more than 1000 AIX

LPARS.

• Strong Experience in PERL Scripting and Korn Shell Scripting.

• Experience with NIDS (Snort) & open LDAP and Configured LDAP Server and

LDAP Client on Linux

• Strong Experience in disaster recovery procedure (BMR) on UNIX systems.

• Extensive experience with various methods of AIX installation and migration

using Network Installation Manager (NIM).

• Alternate disk installation. Experience in setting upNIMmasterserver and

NIM clients for new & complete overwritten/migration installation task.

Experience in migrating AIX 5.3/6.1to AIX 5.3/5.2 using alternate diskinstallation method and NIM.

• Installed and configuredavailable AIX servers as TSM client and configuredthem with the TSM serverusing IBM Tivoli Storage Manager 5.4/5.3 andFASIT SAN.

• Hands on experience on VM Ware and WIN Programming.

• Applied progressive backup methodology for backup of important files, sub

files and directories available on TSM clients.

• Installed and configured IBM HTTP web server 6.0.0.0 on AIX 5.3/5.2andApache Web server2.0.50 on Linux using webhosting service.

• Experience in installing, configuring and administering UNIX utilities such as

Samba and SUDO.



• Quick learner and team player with strong analytical, trouble-shooting and

communication skills.

• Provides 24X7 support oncall rotation basis.

Certifications:IBM Certified – pSeries AIX System Administration v6.1

TECHNICAL SKILLS:

Operating System: IBM AIX6.1/5.3/5.2/5.1/4.3.3, Red Hat Enterprise Linux7/3.5/4.2/3.0/2.1, SUSE Enterprise Linux 10.0/9.0/8.0, Solaris 8/9/10, HACMP5.3/5.2/5.1Windows NT/2000/2003 Server.Storage: IBM SAN,EMC SAN storage, FASIT SANTivoli storage manager 5.4/5.3and Netbackup.Languages: Korn Shell Scripting, Perl Scripting, C, C ++Virtual Environment: IBM VIOS 1.5, VIOS 2.1 Servers & Vmware, Red hat Linux7.3, 9, and 3, Red hat Enterprise 3.0, 5.1, 5.2, 5.3, AS 4.0.Databases: Oracle 9i/10g, Cache, DB2.WebServer: IBMWebsphere 4/5/6, IBM HTTP Server.Hardware: IBM P/P5series (p690, p670, p630, p510, p590, p570, p520, p575,p595 etc) supported by POWER4, POWER5 and POWER6 IBM Pseries.

Professional Experience

MVP Health CareSep ’12 – presentSchenectady NY Position – Unix/aix Engineer

Responsibilities:• Experience in installation, configuration, tuning, security, backup, recovery

and upgrades of AIX.• Created logical partitioning LPAR and dynamic logical partitioning DLPAR

defining virtualization on IBM Pseries servers using HMC.• Extensive use of HMC version 7 for installing and configuring Lpar’s on IBM

pSeries P570, p590, Power 520, Power 550 and power7 720,750 & 770.• Good knowledge of Hardware management console HMC: updateHMC

code; manage HMC Users, Configure Network setting for HMC.• Installed AIX 5.3/5.2 on IBM p670, p590 and p570 using mksysb standard

image CDs and NIM installation method.• OS upgrades 5.3 to 6.1, AIX migrations to the Power 7 platform, configured

Tivoli Productivity Center for Disk and perform SAN/Brocade functionality andhealth checks.

• Assisted with implementing Protect Tier VTL and lower tiered storage• Monitored SVC and TPC for Disk and implemented logging and reporting• Involved in Storage management, LVM, File system management, User

account management, data backups and user’s logon support

• Configuring the NIM server for network Installation of AIX.• Upgrading the firmware of storage (SAN) controller and expansions.



• Experience in AIX system backup and restores through different methods likeconventional mksysb on tapes, mksysb through NIM, sysback through TSMand NIM.

• Good knowledge of Hardware management console HMC: updateHMCcode; manage HMC Users, Configure Network setting for HMC.

•

Installed AIX 5.3/5.2 on LPAR using HMC. Good knowledge of installing UNIXbasedoperating systems on LPAR.

Wells FargoSep ’10 – Aug ’12Phoenix AZPosition – Aix Administrator

Responsibilities:

• Installation, configuration and support of Multi-platform UNIX systems

comprising of AIX and LINUX machines

• Installing and upgrading the various flavors of AIX version 5 & Aix Version

6.• Involved and played a proactive role in Migration of WINDOWS server to

IBM AIX Server version 6.0. As part of the project installed, configured andclustered WebSphere Application Server 6.0 on a stand alone machine andcarried some rigorous testing.

• Created Active Directories for various domains.

• Involved in Storage management, LVM, File system management, User

account management, data backups and user’s logon support

• Closed Change Management/control Tickets to update installation progress,and involved in troubleshooting network issues and routing problems.

• Problem determination and troubleshooting, Security using SSH and UNIX

Scripting (Shell).• Analyzed problems on RPC& directory services of DCE/DFS. Fixed bugs using

IPtrace tools, core dump analysis tools and memory leak tools.

• Extensive use of HMC version 7 for installing and configuring Lpar’s on IBM

pSeries P570, p590, Power 520, Power 550 and power7 720,750 & 770.

• Clustered multiple UNIX machines on AIX 6.0 using HACMP, configured

HACMP cluster to keep applications running.

• Tuning AIX servers as per our application requirement like Oracle, Tivoli

products

• Configuring the NIM server for network Installation of AIX.

• Mirroring the root volume group into the multiple disks to have redundancy

• Upgrading the P Series UNIX servers.

• Deploying the Virtual I/O Servers and Clients on P Series and also

onXenServers.

• Experience in installation and configuration webSphere applicationserver with IBM HTTP server on AIX

• Regular Disk Management like Adding / Replacing Hot Swappable DrivesOn Existing Servers /Workstations, Partitioning according to requirements in aDatacenter.

• Installed WebSphere Application Server 6.1 on IBM AIX version 6.0 and

installed webSphere commerce server on top of WAS.

•

Migration of E-commerce applications using WebSphere 6.1 and IBMWebSphere Commerce Server



• Problem determination and troubleshooting, Security using SSH and UNIXScripting (Shell).

• Integrating enterprise wide J2EE applications anddeploying on WebSphere

and managing security policies for different applications

• Installed and deployed operating system and security related patches and

fixes.• Good knowledge of Hardware management console HMC: updateHMC

code; manage HMC Users, Configure Network setting for HMC.

• Supporting COSTCO WARE HOUSESdata center AIX / UNIX environment.

Build and configure AIX servers for all new stores. Support technical focusgroups (spotlight) as required to restore and improve operating efficiencies of production and pre-production applications.

Brocade Networks Jan’09 – Sep ’10Broomfield CO

Position –Aix Administrator

Responsibilities:

• Installed AIX 5.3/5.2 on IBM p670, p590 and p570 using mksysb standardimage CDs and NIM installation method.

• Installing IBM P Series Servers and Mounting them on Rack.

• Installing and upgrading the various flavors of AIX version 5 & Aix Version6.

• Tuning AIXservers as per our application requirement like Oracle, Tivoliproducts.

• Upgrading the firmware of IBM Power 5 and Power 6 Aix Machines.

•

Upgrading the firmware of storage (SAN) controller and expansions.• Installing, Configuring and Maintaining IBM AIX Servers using LPAR &

Mircropartioning.

• Patch and Package Administrations.

• Configuration and administration of Logical Volume Manager (LVM).

• Troubleshooting Hardware and Operating System related issues.

• Creating and restoring the mksysb images using NIM and Setup Cloningusing mksysb images.

• Provide Alternate disk installation techniques during the patch

management.

• Backup and Restore of Non-Rootvg Volume groups.

• Creating different RAID Levels on SAN and Configuring LUNs.• Configuring the NIM server for network Installation of AIX.

• Upgrading the P Series UNIX servers.

• Configured LDAP client on unix servers

• Configured Multipathing for connecting Linux servers to EMC clarions.

• Configured Redhat clusters for SAP TREX application

• Analyzing errpt to find any reported problem.

• Implementing veritas NetBackup -6.5 as a backup solution.

• Creating policies NetBackup for controlling the behaviour of backup devices

and groups. Tape Device and Media configuration for NetBackup.

• Installation and configuration of Veritas Storage Foundation suite.

• Working on IBM Blade Center with AIX platform.



• Analyzing Shared storage and Networking considerations for HighAvailability Cluster (HACMP).

• Experience in installation and configuration websphere application server with

IBM HTTP Server on AIX.

• Implementing veritas storage foundation suite on AIX Servers.

• Using Network installation manager NIM for new & completeoverwrite/migration Installation.

• Troubleshoot NIS, NFS, DNS and other network issues.

• Extensive experience in configuring and troubleshooting different RAIDlevels.

Johnson ControlsDallas TexasPosition: AIX/LINUX AdministratorAug’07 – Dec’08

Responsibilities:• Involved in installation, configuration and administration of AIX 5.3/5.2 on

Pseries server.

• Installed Redhat Enterprise Server 5.3 and 5.4 on HP Servers using Kickstart

at differentMerck sites around the world in Vmware and Physical Servers

• Setup and configured network TCP/IP on AIX nodes including RPC

connectivity for NFS.

• Created mount points for Server directories, and mounted these directorieson the Servers.

• Diagnosed and troubleshoot software and hardware related problems.

•

Implemented & installed AIX 5.3/5.2 and Red Hat AS 4.0/3.0operatingSystems on LPAR using HMC. Good knowledge of installing UNIXbasedoperating systems on LPAR.

• Implemented AIX virtual I/O-VIO Server& built LPARs with VIO Servers host

DASD & Virtual Ethernet also applied micro partitioning feature foroptimizing CPU utilization.

• Installed and deployed operating system and security related patches andfixes.

• Performing NIM Installations of LPARs and DLPARS.

• Experience in HMC administration, code update and taking HMC console

backups.

•

Setting up installable image of AIX operating system on master server andapply it on new clients.

• Deploying the Virtual I/O Servers and Clients on P Series.

• Assigning storage luns from the VIO server to VIO cli ents.

• Experience in AIX system backup and restores through different methods likeconventional mksysb on tapes, mksysb through NIM, sysback through TSMand NIM.

• Good knowledge of Hardware management console HMC: updateHMC

code; manage HMC Users, Configure Network setting for HMC.

• Good working knowledge of installing, configuring, and upgrading IBM BladeCenter’s Management Module.

•Implemented, installed and supported High availability Cluster HACMP 5.3on IBM Pseries platform.



• Developed Shell scripts for automating the batch jobs.

• Involved in Storage management, LVM, File system management, Useraccount management, data backups and user’s logon support.

• Involved in testingof products and documentation of necessary changes

required in this environment.

Novartis, Princeton, New JerseyPosition – LINUX/Aix AdministratorMay’06– Jul’07

Responsibilities:

• Worked as Unix Administrator in IT infrastructure environment providingserver administration, application administration and automation solutions tosupport business objectives

• Handling HP and DELL servers running on Red hat Linux, Cent OS.

• Extensive Experience on working on IBM P Series High End Servers.

• Working on multipathing software like Powerpath of EMC.• Setup NIM client and install AIX Base operating system using NIM

Master Server.

• Used the LVM extensively; Created/Modified/Deleted Volume Groups, Logical

Volumes and File systems; Added/Removed physical disks; Mirrored VolumeGroups and Logical Volumes

• Administered a heterogeneous environment comprising MS Windows 2003

Server, Red Hat Linux and AIX with emphasis on AIX OS. Administrationinvolved installation, configuration, evaluation, implementation and supportof strategic Business systems in a heterogeneous environment.

• Configured HACMP to monitor, detect and react to failure events, allowing

the system to stay available during unexpected software problems and alsoconfigured to react to hundreds of system events.

• Creating and restoring the mksysb images.

• Creating LPARs on High End Aix servers to logically divide machine into

several logical units.

• Involved in preparation of functional and system specifications. Estimated

Storage requirements for applications.

• Installing, Configuring and Maintaining IBM Aix Servers using LPAR &

Mircropartioning.

• Capacity planning of P Series machines with IBM Balanced Spread

Sheets.

• Configured UNIX infrastructure, and supported IBM RS/6000 servers runningIBM AIX.

• Rack mounted IBM p630 systems, installed and configured AIX and applied

maintenance levels.

• Installed recommended patches on AIX.

• Managed file permissions & ownership for important directories & files.

• Implemented DNS, NFS, NIS, Auto mount networking services.

• Troubleshooting of all kind of OS related and hardware related issues on the

Linux servers

Capital Group , Plano Texas

Position - AIX/LINUX System Administrator Jan’05 – Apr’06



Responsibilities:

• Worked as Unix Administrator in IT infrastructure environment providing

server administration, application administration and automation solutions tosupport business objectives

•

Administered a heterogeneous environment comprising MS Windows 2003Server, Red Hat Linux and AIX with emphasis on AIX OS. Administrationinvolved installation, configuration, evaluation, implementation and supportof strategic Business systems in a heterogeneous environment.

• Handling HP and IBM servers running on SuSe, Red hat.

• Handling day to day administration jobs in SuSe Linux and Red hat Linux

• Installed OS using automatic installation using Autoyast and Kick start.

• Setup LDAP Client services on Linux Servers.

• Creation of LVM's on SAN using Linux utilities

• Configured UNIX infrastructure, and supported IBM RS/6000 servers running

IBM AIX.

• Configured volume groups and logical volumes, extended logical volumes forfile system growth needs using Logical Volume Manager commands.Maintained availability, increased capacity & performance of productionmachines by upgrading their hardware(disks, CPU, memory, IO board, powercooling unit, motherboard etc)& firmware.

• Rack mounted IBM p630 systems, installed and configured AIX,appliedmaintenance levels.

• Troubleshooting of all kind of OS related and hardware related issues on the

Linux servers

• Performed process automation, scheduling of processes using CRON jobs.

• Created and configured logical partitions (LPAR) on IBM p690 systems.

• Installed recommended patches on AIX.• Designed & Implemented System Security administration policies.

Systems security administration policies include: User ID/Group IDmanagement, Password policies, and password aging for AIX Users.

• Capacity planning of P Series machines with IBM Balanced SpreadSheets.

• Managed file permissions & ownership for important directories & files.

• Implemented DNS, NFS, NIS, Auto mount networking services.

• Created logical partitioning LPAR and dynamic logical partitioning DLPAR

defining virtualization on IBM Pseries servers using HMC.

Documents

AIX_-_Sabitha.doc