Summary

• Over 8 years of rich experience as a AIX System Administrator including extensive working knowledge of Power HA HACMP , LPARs/DLPARs, VIOs, HMC.
• Extensive experience in Administration of AIX 5.1, 5.2, 5.3, 6.1. 7.1
• Having good understanding in SAN and TCP/IP architecture including hardware knowledge in power systems.
• Hands-on experience with installing AIX on LPAR, VIO server and client using NIM.
• Experience with SMIT, LVM Logical Volume Manager , and Mirroring, User System Resource management, Paging Space management and job scheduling.
• Good understanding of error logging subsystem and Performance Monitoring tools like topas, vmstat, iostat, sar, netstat on AIX.
• Extensive knowledge of Installation, configuration and maintenance of HACMP V5.4, Power HA v5.5, v 6
• VIO SERVERS: All Kind Of Works Of VIO Servers And Clients
• NIM: Installations, Configurations, Maintenance and Troubleshooting.
• PROFILE: Software P Series Hardware Complete Troubleshooting, Replacing Cards all Kind Of Cards Ex: Ethernet, SCSI, Dims Memory, Cables, Configuration of P Series Power 5 and Power 6.
• HMC: Configuration and Setup, Trouble Shooting. Advance System Management ASM .
• RAID: Configure of Raid Levels.
• Experience in installing, configuring, managing, maintaining and developing AIX Systems, Linux RedHat , Windows 2003 server and Solaris
• Expertise in creating scripts from scratch with Korn, Perl, Shell, Ruby, UNIX which would help in automation and simplification of jobs.
• Installation and configuration of NIM master server and clients
• Migration of AIX OS from to 5.1, to 5.2 to 5.3 and 5.3 to 6.1 on pSeries servers.
• Migration of AIX Systems from old p4, p5 to p6 hardware.
• Experience working on P550, P560, P595, P570, P575 P720 and P740.
• Experience in working with Live Partition Mobility to perform migration from one frame to another.
• Configuring I/O drivers for Power 720 and Power 740 servers.
• Racking and Stacking of PSeries and Blade Servers.
• Installing PowerVm on P520, P720 and P740 boxes.
• Setting up Dual Vio on Power 740 Boxes.
• Installing Aix and Linux Servers on PowerVM Environment.
• Experience in MICRO-PARTITIONING on P series servers.
• Configuration of HACMP 4.5, 5.1, 5.2, 5.3 as well as performing failover and failback of HACMP Clusters on a regular basis as per the application requirement.
• Experience in Migration of HACMP 4.3.1/4.5 to 5.1 and 5.1 to 5.2, 5.3 using Node-by-Node migration without changing the cluster setup.
• Also have experience in SRDF , Vplex Type 1-Disks are not directly zoned, Type 2-Disks are directly zoned and Type 3-Host based mirroring with powerpath and TSM Migration as well.
• Installation, administration and configuration of VIO Server and VIO client LPAR'S through HMC.
• Experience in performing DLPAR on VIO servers.
• Experience in working with Shared Ethernet Adapter, Link Aggregation and NPIV concepts associated with VIO server technology.
• Installed DB2, Web Sphere Application Servers on Linux and AIX.
• Experience with LVM, NIM, User System Resource Management, Job Scheduling and Paging Space Management.
• Experience in creating CRON jobs to automate various system administration tasks using Crontab Utility
• Experienced and familiar with tools like SMIT, configured public network with mktcpip and backup network with smitty chinet
• Worked on IBM, EMC Clariion, Symmetrix, VMAX and Hitachi storage solutions.
• Extensively worked on SAN migration from EMC DMX to VMAX.
• Installing new software on AIX 4.3/5.2/5.3/6.1 Boxes, Upgrading the Maintenance Levels as per application requirement
• Experienced in monitoring system performance and check the status of the system using utilities such as TOPAS, GLANCE, NMON, VMSTAT, IOSTAT, etc.
• Peripheral Experience in EMC Storage Arrays, ADIC tape libraries, Veritas Netbackup.
• Experienced in configuring SSH, DNS, NIS, NFS, LDAP, sendmail, ftp.
• Worked 24X7 and on-call in production support and trouble shooting on AIX pSeries servers.
• Good working knowledge on IBM HACMP 5.x and NIM Master and Clients.
• Experience in migration from AIX 4.3.3 to 5.3 TL6
• Performance and fine-tuning, Applying patches and fixes.
• Installed, configured and supported Web Sphere Application Server, IBM HTTP/ Apache Web Servers in AIX and Linux environments. Good knowledge of Samba server.
• Possess the enthusiasm for work, strong desire to succeed and commitment to continuous skill development that help build confidence and high level motivation to achieve desired results.
• Excellent presentation, analytical, documentation and interpersonal communication skills.

Confidential

AIX / UNIX System Administrator

Responsibilities:

• The Project involves a great responsibility and a high level task with time constraint
• DR site design, virtual implementation and setup.
• Installation, migration, Configuration and Administration of AIX 5.1, 5.2, 5.3, 6.1 7.1.
• 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 .
• Extensively worked on Server Consolidation and Disaster Recovery
• Decommissioned old frames and migrated servers on to each lpar in high end p7 frames as part of consolidation strategy.
• 24x7 on call production support.
• The Project involves a great responsibility and a high level task with time constraint
• DR site design, virtual implementation and setup.
• SAN migration for servers for p595, p740 and p770 to new EMC VMAX.
• Worked on EMC DMX -4, DMX -3, VMAX, 6633, System administration.
• Migrated data from Clarion, Symmetrix DMX3 and DMX4 to VMAX.
• VMAX Migration - EMC symmetrix was slower, we decided migrating to VMAX, and it requires both ODM definition and powerpath upgrade. Migration using logical volume manager. Allocated disks to servers, mirroring and un-mirroring operation.
• 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 Missouri data center.
• Maintaining the NIS user administration account
• Running to the supporting Unix scripts for the application support.
• Working on the backup and restoration of data by using SNAP.
• Working on the errors on daily basis.
• Working on Weekend Health check reports on all prod and PT servers.
• Monitoring systems, cpu, memory and disk utilization.
• Analysis the NMON data and observe the spikes of the system performances issues.
• Worked on the HACMP 5.4 version, failover the RG to the next node, start and stop the cluster services and HACMP
• Supported to the Oracle cluster ware, stop and start the Oracle rac1 services and status check.
• User Management - Creating, maintaining, and removing users and groups. Security settings on user accounts and groups.
• Trouble shooting HACMP related issues, going through the log files Taking HACMP snap using snap utility and using snaps to recover HACMP topology in case of any disaster
• Defining shared volume groups and working on different operations such as creating sharedfile systems, increase or decrease file system sizes and adding disks to the volume groups.
• Configuring system dump devices, taking system dump, estimating system dump, uploading the system vmcore files to IBM ftp site.
• Troubleshooting from system performance related issues.
• Handling the server hardware related issues with IBM CE coordinate with the IBM CE for hardware replacement.
• Using alternate disk installation method when upgrading or installing TL or ML on AIX Operating system.
• Installation of emergency fixes and supporting fixes for the applications.
• Troubleshoot the system boot related issues and corrupted filesystem by using fsck through maintenance mode.
• Network configuration of tcp/ip Ether Channel Ling Aggregation , online troubleshooting for network and system, ensuring connectivity between servers
• Performed the HMC up gradation to 7.7.2 version.
• Responsible for maintaining and administering 600 production IBM p770, 780, 590, 570, 550 and RS6000 AIX UNIX based servers.
• Responsible for installing configuring, migrating and maintenance of GPFS version 2.1 and 3.3
• Managed and used NIM server to install, migrate and creating backups
• Experienced on Peregrine Ticketing tool and solving P1/P2/P3/P4 tickets
• Built VIO servers and vio clients on POWER6, p5 P520, P550, P570 and p595s.
• Installing and configuring LPARs, and VIO Server in pseries servers through HMC.
• Created and configured dynamic VIO LPARs on p5-520, p5-550, p5-570 and p5-595
• Adding, increasing the file system space in HACMP environment.
• Performed mksysb restores
• Setup HACMP clusters for high availability of servers and to face any unexpected outages.
• Troubleshooting BOS installations, Boot Failures, monitoring systems performance using nagios, sar,vmstat, netstat, iostat, perfpmr and systems tuning.
• Performed Installation and Configuration of NIM. Installed BOS, upgrades, migrations of AIX on each node using NIM.
• Included upgrading NIM master, alternate NIM master, creating the SPOT, lppsource mksysb NIM clients.
• Installed Veritas clustering on oracle and websphere server.
• Worked in NFS/NAS, Storage Area Networks SAN , SSA disk storage environment.
• Developed and modified UNIX Shell scripts

Environment: Hardware: IBM p5-520, p5/p6-550, p5/P6-570, p5/p6-595, p7-750, O/S: IBM AIX 5.1, 5.2, 5.3, 6.1, 7.1, VIO 1.3, 1.5, 2.1, Storage: EMC Symmetrix, EMC Clarion, DS8000, TSM

Confidential

AIX Administrator

Responsibilities:

• Administered multiple IBM power 5 and power6 p520s, p550s, p570s and p595s running AIX 5.3/6.1/7.1
• Co-ordinated application team to Upgrade AIX 5.2 to AIX 5.3, AIX 5.3 to 6.1, AIX 6.1 to 7.1
• Built VIO SERVER and VIO clients on P7 750 server
• Extensively used LVM - created VGs, LVs disk mirroring for IBM p-series servers
• Built VIO servers and VIO clients on POWER6, p5 P520,P550.P570 and p595s
• Configuration management including the building of LPARs using HMC, IVM and configuring the hardware devices that support them.
• Documented the standard procedure for installation and deployment of VMAX Migration and logical volume manager.
• Assigned the storage to servers using NPIVs Virtual Fiber Channel
• Supported the sap and database team for the SAP upgrade project.
• Created and configured dynamic VIO LPARs on p5/P6 520, p5/P6-550, p5/P6-570 and p5/P6-595.
• Configured the HACMP clusters to keep the high availability applications running on IBM pSeries.
• Administered the UNIX System for clustered AIX Servers running HACMP and dynamic LPARs with fiber attached SAN storage.
• Installed and configured VIOS servers and related LPARs through HMC.
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM
• Solely Responsible for Building the LPARS, Allocating storage NETAPP and BROCADE and OS AIX 5.3/6.1/7.1 installation through NIM.
• Worked with IBM p590 p570 p550 p520 servers connected to NETAPP SAN. Configured and assigned hardware resources within LPARS, installed AIX 5.3/6.1/7.1 and installed patches.
• Provided support for other UNIX based applications and servers on an as needed basis.
• Active involvement in monitoring server performance, network traffic to reduce performance bottleneck.
• Involved in implementation of EMC Power path for load balancing and redundancy in data path.
• Configured NIM, NFS and NIS and standardization of all the systems.
• Activities include user administration startup and shutdown scripts crontabs, filesystem maintenance and backup scripting and automation.
• Applying software maintenance, file sets, program fixes and keeping the system software releases current.
• Administration responsibilities include user, group, disk, printer and security management, File sharing Permissions.
• System Backup management using IBM TSM Backup Server and using Tape libraries.
• Installed and configured IBM Tivoli Network Storage Manager TSM client Server software backup and recovery solutions
• Coordinated server maintenance through a well defined change control process including after hours and weekend Sunday work as necessary to support systems.
• Generated reports to show the trends of resource utilization user/CPU/network load.
• Performance Management Tuning of AIX /UNIX Kernel.
• Configuration and Administration of DNS, NFS, DHCP, FTP, Samba Servers and clients. Security layers like SSL, SSH, HTTPS, SFTP.
• Installation and configuration and maintenance of Netscape and Apache web server.
• Wrote shell scripts for automated installations, to extract logs.
• Responsible for migrating and decommissioning of the system Creating Disk groups and volumes, plexes using VERITAS Volume Manager 5.0, Managing disks and file systems using VERITAS Volume Manager 5.0
• Installing and configuring Legato Netbackup 7.3.3, VERITAS NetBackup 5.0/6.x and Tripwire
• Creating UNIX file system, VERITAS File System and configuring VG's and LV's using LVM.
• Worked extensively on HA/ Disk Volume Management with VERITAS Volume Manager/ SVM VCS
• Installed Veritas clustering on oracle and websphere server.
• Installed and configured Solaris 10 Zones and containers on Solaris Enterprise server like M4000, M5000, T5220, T5240
• Updated documentation of all the Servers and the installed applications and patches.
• Assisted other Unix administrators when help was needed i.e., creating UNIX accounts, writing scripts to perform system administrator functions, responding to trouble tickets, etc .

Environment: Hardware: IBM p5-520, p5/p6-550, p5/P6-570, p5/p6-595, p7-750, O/S: IBM AIX 5.1, 5.2, 5.3, 6.1, 7.1, VIO 1.3, 1.5, 2.1, Storage: EMC Symmetrix, EMC Clarion, DS8000, TSM

Confidential

Sr. AIX System Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Provided 24x7 on call server support for UNIX environment including AIX, Linux, HP-UX, and Sun Solaris.
• Provided 24x7 supports on shift rotation basis.
• Centralization Thomson Reuters decided to go for centralization of user administration, we want to have authentication and LDAP for authorization, and individual user restriction to host. I was able to accomplish this and established a centralized method on UNIX platform for VPLEX VMAX AIX NPIV authentication and authorization of users.
• Migration from DMAX to VMAX EMC storage using host based mirroring for AIX servers. This task involved making recommendations and implementing the solution with help of onsite and offshore resources.
• Configured IBM P-series 570,550 and RS 6000 machines for production and test environments.
• Installed, configured and tested Logical Partitions technology LPARS
• Experience in LPAR planning and virtualization
• Installed and configured VIO server via HMC
• Extensively used LVM, created VGs, LVs, and disk mirroring.
• Responsible for Installing Security fixes and APAR's in Servers.
• Installation and upgrade of OpenSSH 4.3p1 on AIX 5.2 and 5.3, OpenSSH 4.1p1 on AIX 5.1 servers.
• Installation and configuration of NIM master server and clients.
• Creating lppsource and SPOT for client on NIM server.
• Installing OS on NIM clients using NIM Server.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Configured Work Load Management WLM for IBM Websphere Application Server.
• Clustered multiple RS/6000 machines on AIX 5.1/5.2 using HACMP, configured HACMP cluster to keep applications running.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Performing Failovers in HACMP / cluster environment, monitoring servers.
• Installed and configured DCE and DFS services.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Installed and configured Sudo for users to access the root privileges.
• Applying software maintenance, program fixes and keeping the system software releases current.
• Installation/Administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Migrated database applications from Windows 2000 Server to Linux server.
• Installing and setting up Oracle10g on Linux for the development team.
• Wrote shell scripts for automated installations, to extract logs.

Environment: AIX 5.x/4.x, pSeries 550, 570, RS6000, HACMP, WINDOWS 98, WINDOWS NT, AIX4.2.1, HP-UX 10.02, Solaris 5.7.

Confidential

AIX/Unix/Linux Administrator

Responsibilities:

• Responsible for Installation, Configuration, Support and troubleshooting existing systems in AIX 5.2 and 5.3 operating environment.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment
• 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 .
• Have upgraded servers from AIX 5.1 and 5.2 to 5.3.
• Experience with installing and upgrading powerpath, SYMCLI and ECC Master Agent.
• Have extensively performed IP Migration for the servers in various UNIX platforms AIX, Linux so that servers having similar applications are on same domain.
• Responsible for implementing multi path i/o MPIO for high availability of application and data.
• Configuration management including the building of LPARs using HMC and configuring the hardware devices that support them.
• Extensively used LVM - created VGs, LVs disk mirroring for IBM p-series servers.
• Experience in studying the kernel performance issues using various utilities like topas, vmstat, svmon and iostat.
• Responsible for backing up the system image mksysb and restoring them during the system recovery process.
• Capacity planning of disk space and hardware resources required for production and developments.
• Installed and configured Sudo for users to access the root privileges.
• Utilized the crontab utility to schedule various System admin tasks.
• Have performed network backup, restore and archiving of network clients using TSM.
• Have installed and configured Tivoli Monitoring Agent on AIX/LINUX.
• Strong Shell programming for application management, performance and security monitoring including their maintenance.
• Responsible for migrating and decommissioning of the system

Environment: Hardware: IBM RS/6000 p5-550, p5-590, p5-595.M4000, M5000, T5220, T5240

O/S: IBM AIX 5.2 / 5.3.Solaris, 9.10 Storage: EMC Clarion CX700and EMCSymmetrix, TSM

Confidential

Responsibilities:

• As a member of Unix Team my responsibilities includes, installation, migration and administration of Operating System, as well as maintain the infrastructure up to date
• 24/7 support, setup and configuration, AIX OS installation/Migration/Cloning, System support and Administration of IBM RS/6000 and p4 Servers.
• Applied Security Fixes, APARs and Upgraded Maintenance Level
• Backup, System Recovery, Security and Performance Tuning.
• Assist Application department to install application on AIX system. Tune AIX for application requirement. Working with application admin to resolve performances of systems.
• Coordinated team for Upgrade AIX 5.1 to AIX 5.2
• Third party software installation and upgrades, scheduled system health checks. Perl and shell scripting.
• New system planning, System related problem determination and resolution.

Environment: IBM pSeries 550, 570,590, 595, AIX v5.2/5.3/6.1, VIOS, LPAR, HACMP V5.2/5.3, Windows 2000, Oracle 9i,Oracle 10g,

Confidential

AIX/Linux Sys Admin

Responsibilities:

• Building of new VIOServers and clients from p-series p550, p560, 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
• Installation and configuration of VIO servers and updating system firmware by using HMC along with Logical Partition technology LPARs .
• Building and configuring AIX V6.1, 5.3 on LPARs using NIM.
• Responsible for the support of Production, HA, DR, QA and Development environments with over 30 servers v240, v490 and E2900 running on Solaris 8 and Solaris 10.
• Responsible for monitoring systems performance and troubleshoot system / network bottlenecks.
• Performed Security on users, groups administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Installing, upgrading and configuring Redhat Linux ES 4.x/5.x using kickstart installation
• Installation of RHEL 3.3, 3.9, 4.3, 4.4, 4.5, 5.2 on the IBM blades HS20's, HS21's, Hs40's, JS23's , X series 3850's and 3650's ,and on Dell Power Edge servers 1950,2950,2900 servers either by ISO boot or PXE boot using the kickstart server
• Experienced in performing TL upgrades applying service packs on AIX 5.3/5.2 through NIM server.
• 24x7 on call production support
• Shell scripts to gather server resource statistics like available memory, processors etc from multiple servers
• Planned and configured SAN environment for TSM and ESS shark storage servers.
• Written Shell scripts to collect server statistics
• Used svmon command a lot in scripts for memory aspects
• Maintain and Creation of User profile and respective Groups.
• AIX 5.2/ 5.3/6.1 migrations using NIM and local install methods.
• Responsible for mirroring and un-mirroring using logical volume manager LVM .
• Testing the AIX servers for High Availability.
• Experience in Migration of HACMP 4.3.1/4.5/5.1 to HACMP 5.4 using Node-by-Node migration without changing the cluster setup.
• Extending file system and space management in HACMP and non HACMP environment.
• Checking the status of the cluster and monitored the error log files of the HACMP.
• Created and applied a cluster snapshot during cluster failure because of configuration changes in HACMP cluster environment.
• Responsible for adding and setting up the start and stop scripts for the application server in a HACMP cluster environment.
• Wrote shell scripts for HACMP to automatically start, stop the database and application when the server failover or fallback.
• Implementation and Configuration of HACMP V5.2/5.3 clusters.
• Configure File Systems and administer using NFS.
• Documenting each and every procedure and uploading the Documents on the Internal Web Portal of the Company for Team Reference.

Environment: IBM pSeries 550, 570,590, 595, AIX v5.2/5.3/6.1, VIOS, LPAR, HACMP V5.2/5.3, Windows 2000, Oracle 9i,Oracle 10g, Veritas Netbackup Java, DB2r, LVM, SSH,IBM BladeCenter JS22, , FAS3100 ,FAS2000 storage devices, Tivoli, TSM, Web Sphere Application Server.