SUMMARY:

• A Seasoned AIX System Administrator with around 6 years of experience in Administration, Engineering and Development of Information Systems.
• Extensive experience in Security remediation, critical assessments, disaster recovery and Virtualization.
• Expertise in Planning, Installation, Configuration and Maintenance of IBM HACMP V5.3 on AIX 5.3/6.1.
• AIX System Administrator with expertise on IBM pSeries p550, p570 p590 & RS6000 Servers with 24x7 on-call support.
• Worked on 770 Power 7 hardware equipped with Power VM virtualization.
• Has experience upgrading & consolidatingPower6 systems toPower7systems.
• Has experience supporting Oracle DBA teams with their SA needs onPower6/7equipment.
• Participated as a member of the Unix Build team with responsibility to install and configure AIX LPARs onPower7servers.
• Administered multiple IBM machines running pSeries Hardware (POWER5 & POWER6) on AIX 5.3/6.1.
• Extensively utilized New virtualization techniques of Live-Partition Mobility , NPIV , Active memory sharing and WPAR .
• Has used both AIX 5.3 and 6.1 intensively, with AIX 6.1 has worked on many advance features like workload partitions, advanced security, continuous availability, and managing and monitoring enhancements.
• InstalledAIX6.1images on virtual clients LPARs usin Media and mksysb from NIM master and also Installed golden image ofAIX5.3 and6.1using Storix System Backup utility.
• Helped in implementing real-time firmware for power management technologies on IBM Power Systems platforms, including the JS22 “POWER6” Blade, Power 520, Power 550, Power 575, and Power 595.
• Has good knowledge and understanding of Tivoli Storage Manager forAIXOS 6.1 running on P Series servers worked with TSM team to design, plan, implement, and maintain an Enterprise Backup and Recovery environment for client
• Extensively used HMC-V7 and V6 to perform various tasks like creating VIOS and LPARS, performing DLPAR operation to change CPU configuration, changing LPAR profiles, Activating LPARS, power-off frame etc.
• Good knowledge on Migration of TSM 4.3/5.1/5.2 to TSM5.3 and 5.4 on AIX and windows servers.
• Participated in Disaster Recovery tests and recovery of AIX and TSM server.
• Installation of Websphere 6.1 and worked extensively with WAS admins and DB2 DBA team for troubleshooting and parametric changes.
• Coordinated with SAP team while performing Oracle patches for SAP applications, Coordinated with the SAP team on SAP migrations.
• Coordinated with the SAP team on a daily basis to fulfill their UNIX needs, assisted in installation, configuration and maintenance of SAP environments.
• Experience working in a SAP Environment and building the servers for SAP.
• Troubleshooting SAP issues from the O/S level.
• Coordinated for seamless installation and configuration of SAP R/3.
• Managed Netapp 840/740 filers using Data Ontap CLI and FilerView. Involved Storage Allocation, Reporting and Monitoring.
• Managed Netapp 940c/960c filers using Data Ontap6.4/7 CLI and Filerview, also completed a project to implement Netapp 960c filers using NFS
• Primary/Secondary on-call 24x7 support for UNIX Servers & Applications
• Experience in Shell scripting (ksh, bash) to automate system administration jobs

TECHNICAL SKILLS
Operating Systems: IBM AIX (4.3.3, 5.1, 5.2,5.3,6.1) Linux 6/7/8.x (RedHat, SUSE), Windows 2000/NT4.0, Sun Solaris7/8/9/10, HP-UX11.x
PLATFORMS : IBM pSeries 570 590 595 IBM Blade Center JS22, JS23, RS/6000, SP2, p670/680/690(Regatta) series, p520/550/570/590, Dell PE 2650, EMC Symmetrix ,Connectrix, FaST,DS8100,DS4300, F20/40, HACMP
Tools: Active Directory, Veritas NetBackup, Veritas Volume Manager, Veritas Volume Replicator, BMC, Tivoli, NMON, NAS, Korn, C shell scripting
Languages: C, C++, VB, Java, Perl and Shell programming
Databases: Oracle 8i, 9i and 10G, DB2, MS SQL SERVER 7.0/2000
Networking: TCP/IP, HTTP/HTTPS, FTP, SMTP and SOAP.
Web / App Servers: IBM WebSphere App Server (3.5/4.0/5.0), IBM HTTP Server (IHS), Apache Tomcat, iPlanet, Netscape Enterprise Server.

EDUCATION:
Bachelor in Technology in Electronics and Communication

EXPERIENCE:

Confidential,Collegeville, PA July 2010 - Present
Aix System Administrator
HACMP, NETAPP, SAP R/3,POWER 6,IBM AIX 5.3 and 6.1,HP Quality centre[Testing]

Responsibilities:

• Active member of the Team responsible for building a environment from scratch which completely replicate’s to Base Data centre.
• This was an replication project where I built new production SAP environments and deployed 75+ IBM AIX LPARs including few clustered LPARs running HACMP 5.4.
• Implemented HACMP/High availability solution for new cluster from scratch for SAP on IBM POWER6 logical partitions as well as supported, maintained and successfully upgraded existing cluster as well.
• Solely Responsible for Building the LPARS, Allocating storage [NETAPP and BROCADE] and OS [AIX 5.3 and 6.1] installation through NIM.
• Worked with IBM p590 p570 p550 p520 servers connected to NETAPP SAN.
• Configured and assigned hardware resources within LPARS, installed AIX 5.3 and 6.1 and installed patches.
• Creating Logical Partitions of VIOServers , Dedicated LPARS and VIO Servers on pSeries frame .
• Set up and validated networking and configured an AIX NIM (network installation) environment that served multiple standalone clients.
• Configured NETAPP SAN Storage for AIX Servers completely making the LUNS available through all zoning and mapping of the storage while working through BROCADE switches for zoning the LUNS to WWPN of the LPARS adapters.
• Installed HACMP cluster in a Highly critical SAP R/3 environment with also expertise in installing R/3 on the servers.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Configured HACMP clusters for database on P595 and regularly contacting IBM to solve critical HACMP related issues.
• Administered the UNIX System for clustered AIX Servers running HACMP and dynamic LPARs with fiber attached SAN storage.
• Performing Failovers in HACMP cluster environment, monitoring servers.
• Responsible for Installation of App server’s including SAP R/3 servers.
• Involved in Lot of testing of hardware through HP Quality centre as such of Failover of HACMP cluster nodes , Netapp controllers failover , Brocade switches, Dual VIOS, etc..,
• Good Experience in Usage of Testing tool esp., HP quality centre defect logging , STC uploading , Manual run of STC, etc.

Confidential,Marysville, OH June 2007 – June 2010
AIX Systems administrator
PowerVM, LPAR, HMC, SAN (EMC), HMC v6 & v7, HACMP, Oracle, SAP R/3
IBM AIX5.3
Responsibilities:

My systematic planning and dynamic approach to problem solving is applauded by the management. The project not only improved my technical experience, but gave me greater understanding of managerial skills, I represented the Unix team to the Customer, Clients and others environments, coordination was a key factor in this project.

Project # 1:- Disaster Recovery site Build:

• The Project involves a great responsibility and a high level task with time constraint
• DR site design, virtual implementation and setup.
• Created a replica of California environment to Ohio, which include several Production servers, development servers and test servers.
• Building of VIOS and VIO LPAR’s on p-Series 590, 570, 550 and 505 servers using HMC V6 (websm) later upgraded the HMC V6 to HMC V7 (GUI).
• Archived 7TB of data to TSM server then copied to tape drive and migrated to Texas data center.

Project # 2:- Coram project:
Server Build & Virtualization of IBM pSeries (550, 570, 590 & RS6000)
This is the core of the project

• Building of new VIOServers and clients from p-series p550, p570, p590 using HMC
• Creating Logical Partitions of VIOServers and VIOClients on pSeries frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC (LPARS).
• Installation of VIOS 1.5.2.5, VIOS Fixpack 11.1 Service Pack via NIM Server.
• Installation of AIX 5.3 on all VIOC/LPAR Clients, installation via NIM Sever
• Each VIOS were allocated with 2 NIC’s and were suppose to create 2 Virtual Ethernet Adapters
• Creating Ether Channel by Link aggregation of two physical NIC’s
• Creating SEA “Shared Ethernet Adapter” to bridge between Ether channel and Virtual Ethernet Adapters
• Setup of VIOClients/LPARS sharing Ethernet Adapters and SCSI’s
• All SAN luns were allocated to VIOS which were virtually allocated to client lpars (VIOC’s) by Creating Virtual Disks/Virtual Target Devices (VTD) as per the disk requirement of each client LPAR (VIOC)
• Restoring the mksysb (operating system) from NIM server (Network boot).
• AIX OS standards and Security remediation. Websphere application installation.
• High level security remediation for the utmost security to the environment.
• Security enhancing and auditing, critical assessment and OS standard configuration
• Disabling and enabling daemons and services and configuring them.
• User creation and deletion, user’s history, parametric changes in /etc/security/passwd files. Network files system mounting with exceptions.
• Password change policy such as user ideal day’s limit is set to 90 days. Password characters and setuid.
• Remote services configuration in /etc directory and /inetd.conf files.
• The management demands an additional monitoring tool for ulimit values so have installed and configured LSOF (list of files).

Responsibilities:

• AIX Server build and administration of p-series p590, 570, 550 RS6000 Servers, installing, configuring and maintaining Websphere Application Server.
• Configuration and Installation of VIO server POWER Virtualization on IBM P6 & P5 System also on Blade server which have POWER 6 processors.
• Installation of VIOS 1.5.2.5, VIOS Fixpack 11.1 Service Pack via NIM Server.
• Installation of AIX 5.3 on all VIOC/LPAR Clients, installation via NIM Sever
• Installed, configured, administered and supported Web Sphere Application Server 6.1/6.0/5.0/4.0.
• Application deployment, testing and performance tuning
• Seamless support during application deployment in to websphere application server
• Created filesystems for websphere application team
• Edited various application scripts and rc.shutdown script to add shutdown script of Websphere application server and DB2 database, edited server startup script to add the startup script of Websphere application server.
• Disaster Recovery of Servers through TSM, SAN Backups.
• Involved in writing DR scripts which will gather information about multiple servers and used the diagnostics in creating a backup server incase of a disaster
• Managed Netapp 840/740 filers using Data Ontap CLI and FilerView. Involved Storage Allocation, Reporting and Monitoring.
• Managed Netapp 940c/960c filers using Data Ontap6.4/7 CLI and Filerview, also completed a project to implement Netapp 960c filers using NFS
• Coordinated with SAP team while performing Oracle patches for SAP applications, Coordinated with the SAP team on SAP migrations.
• Coordinated with the SAP team on a daily basis to fulfill their UNIX needs, assisted in installation, configuration and maintenance of SAP environments.
• Experience working in a SAP Environment and building the servers for SAP.
• Troubleshooting SAP issues from the O/S level.
• Coordinated for seamless installation and configuration of SAP R/3.
• Supported SAP Applications Group as a single point of contact from UNIX Server Side
• Performed Day-to-Day changes per request of SAP Group
• VM Tuning for Performance enhancement of SAP Applications
• Coordinated with TSM Administrators to take backups and used the backup images in case of recoveries
• Disaster Recovery Planning, setting up platform and implementing DR standards
• Extensively worked on Mirroring of local disks as well as SAN disks to maintain Data Redundancy and performed Data Replication
• Extensively worked with SAN storage IBM SVC and DS series, EMC Clariion, Symmetrix and Hitachi storage solutions.
• Configured 4.1TB and 3.2 TB of EMC SAN Storage for HACMP Cluster nodes and extended physical volumes on VG’s and increased filesystem sizes
• Zoned and configured SAN Storage and extended LUNS VG’s in vanilla and Cluster environment.
• Extensively worked with SAN storage EMC Clariion, Symmetrix and Hitachi storage solutions.
• Configured SAN Storage in vanilla and Cluster environment.
• Configured EMC SAN for HACMP Clusters and ensured the luns are zoned as shared between the nodes
• Extended SAN LUNS to VG’s in Vanilla and Cluster environment.
• IBM’s SVC and DS series, Power Path installation and involved in Storage Area Network (SAN) administration.
• Performed Disaster Recovery using mksysb and restored the system within 2 hours
• Installation, configuration and management of TSM Servers.
• Monitor components of TSM, including databases, logs, tape libraries, messages and backups.
• Define and manage storage pools in line with standards.
• Define and manage retention policies, management classes and copy groups.
• Administer TSM server environment(s) to monitor and manage enterprise data management processes. Monitor TSM application server processes and errors to ensure overall system performance and stability.
• Monitor and ensure that backup server maintenance tasks are successful on a daily basis, correcting any errors when necessary.
• Developed shell scripts to change prompt change of password after expiration
• Extensively worked with SAN storage IBM SVC and DS series, EMC Clariion, Symmetrix and Hitachi storage solutions.
• Zoned and configured SAN Storage and extended LUNS VG’s in vanilla and Cluster environment.
• Configured IBM SAN for HACMP Clusters and ensured the LUNS are zoned as shared between the nodes.

Environment: IBM pSeries 590, 570, 550 and 505, AIX 6.1/5.3, VIOS 1.5.2.5, HACMP 5.1/5.2/5.3/5.4 LPAR, SAN (IBM, Hitachi, EMC), DB2 UDB, TSM, SAP R/3, Netapps Storage, WebSphere Application Server, Microstrategy, Lawson, Savvion, HTTP Server, Shell Script.

Confidential,Lake Forest, CA Jul 05 – May 07
UNIX/ AIX Production Support Engineer
Responsibilities:

• Administered multiple IBM machines running pSeries Hardware (POWER5 & POWER6) on AIX 4.3/ 5.1/ 5.2/5.3
• AIX 5.2/5.3, Co-ordinated application team to Upgrade AIX 5.1 to AIX 5.3.
• Worked closely with DBAs to install raid, disk areas for Oracle database instance installations, created Bourne shell database startup and shutdown scripts for UNIX servers. Wrote shell scripts for automated installations, to extract logs.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Created and configured LPAR/DLPAR’s on p5-570s and p5-590s.
• Installation and Configuration of NIM.
• VIO server Planning and setup with Micro Partitions, Configuration of Dual VIO servers.
• Perform Field Verification Operation of Windows and Linux Patch in a VMWare ESX Server.
• Configured backup/archive policies using Tivoli Storage Manager (TSM).
• Responsible for Administration of AIX Production, Integration and Development servers (Web/Oracle Environment).
• Migrating older AIX operating System to newer versions.
• Capacity planning of disk space and hardware resources required for production and developments using MRCPM..
• Monitoring system performance and analysis using Statistical Analysis System (SAS).
• Performed routine checks on nodes by monitoring syslogs and error logs for system and hardware errors.
• Responsible for backup and recovery of enterprise data on approximately 300 servers.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Managed backup schedules and storage pools to ensure sufficient number of volumes available for backup.
• Involved in administration, installations, tuning and performance of AIX.
• Involved in preparing disaster recovery plans, organizing tests and evaluating the disaster recovery test results.
• Responsible for backing up the system image mksysb and restoring them during the system recovery process.
• Responsible for migrating and decommissioning of the system.

Environment: Solaris, IBM RS/6000 p595, p575, p550, IBM AIX 5.2/ 5.3, VMWare, EMC Clarion

Confidential,Atlanta, GA Oct 04– Jun 05
UNIX/ AIX Administrator/ Development Admin
Responsibilities:

• Performed IBM AIX 5.2/5.3 System installation and configuration, problem determination, solutions design and implementation, maintenance, performance tuning, disk mirroring using LVM, backup, disaster recovery, trouble shooting and user management.
• Setting up NIM servers and clients for New & Complete Overwrite/Migration Installation management and nimadm Upgrade.
• Performed various methods of AIX Installation/Migration using alternate disk installation (NIMADM), Network Installation Manager (NIM).
• Installed software using Installp applying PTF s, Microcodes, updating PMRs, downloading Filesets, ODM, LVM and Disk Management.
• Performed the daily system administration tasks like managing system resources, writing scripts, and end users support, operations and security.
• Performed capacity planning and performance metrics using Statistical Analysis System (SAS).
• Constructing and maintaining responsive and adaptable capacity management standards.
• Responsible in troubleshooting and debuging SAS issues on a UNIX platform.
• Monitored the AIX system error reports and log files and if needed trouble shoot the AIX system in order to maintain efficient operations.
• Responsible for installation and configuration of HMC.
• Responsible for migration and decommissioning of systems.
• Tuned various applications for maximum efficiency and availability using HACMP 5.4.
• Experienced in installing TSM client and taking non rootvg backups on TSM.
• Automated jobs using the shell scripts.
• Utilized the CRON tab utility to schedule various System admin tasks.
• Placing the hardware call and Follow up with IBM Hardware Support to fix hardware problems.

Environment: Solaris, IBM AIX 5.2/5.3, IBM RS/6000p5 550, p5 520, p5 570, HACMP 5.1/2/3/4 LPAR, HMC.

Confidential,Hyderabad, India Jan 04 – Sept 04
UNIX/ AIX Admin/ Unix Developer
Responsibilities:

• Responsible for maintaining and administering 100 production IBM pSeries AIX based servers.
• Giving the Level 2 support and assisting the team members in fixing the AIX software problems.
• Built AIX OS complete/migration/preservation installation for the pSeries & RS 6000 servers.
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
• Installation, Configuration and Administration of AIX 4.3, 5.1 & HACMP 4.4.
• Synchronize the HACMP cluster.
• Migrating AIX 4.3 to 5.1 Operating System.
• Involved in writing of UNIX Shell Scripts as per the requirements.
• Capacity planning of disk space and hardware resources required for production and developments servers (SAS).
• Performed System Administration tasks and ensuring 24*7 System Support for the mission Critical Data in production Environment.
• Ensured the Systems and Data online, offline, archived Backups on Daily and weekly Basis using Crontab.
• Performed the backups of OS using tar/cpio/mksysb.

Environment: Solaris, IBM AIX 5.1/ 5.2/ 5.3, IBM RS/6000 – p5 575, p 650, p 670, EMC Symmetrix DMX 3000