SUMMARY:

• A Seasoned AIX System Administrator with over 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 5.1/5.2/ 5.3/6.1/7.1.
• AIX System Administrator with expertise on IBM Blade Server JS22, JS23, JS42 pSeries 590 RS6000 Servers
• Worked with Power7/Power6/Power6/Power4 RS6000 Servers.
• Build countless VIOS and LPAR's on p - series p550, p570, p590, p780. Configuration and installation.
• 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 p 0 p 0 servers connected to NETAPP SAN. Configured and assigned hardware resources within LPARS, installed AIX 5.3/6.1/7.1 and installed patches.
• Creating Logical Partitions of VIOServers, Dedicated LPARS and VIO Servers on pSeries frame .
• Forecasting TSM infrastructure capacity needs.
• Built HACMP Clusters from the scratch.
• Single point of contact for HACMP Cluster issues support
• Designed built a five node HACMP cluster from scratch and added nodes to two different existing clusters.
• Strong understanding of VMware Networking concepts like creation of vSwitches, different types of port groups, NIC Teaming and VLAN
• Design, build, install and configure Red Hat Enterprise Linux servers workstations
• Create and administer RedHat Enterprise Linux operating systems to implement on the existing network.
• Experience configuring and supporting IBM clustering products PowerHA formerly HCMP and GPFS.
• Troubleshoot and Trouble Analysis of system issues.
• Worked on Live partition mobility AIX 6.1 / 7.1
• Determine issues and resolutions for Systems and Servers installed.
• 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.
• Performed User Account management, data backups, and user logon support.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX, Solaris 7/8, Win NT/2000 Server, Linux RedHat SuSE .
• Expertise on Tivoli Storage Management, Administration support.
• Extensively worked on advanced areas of IBM AIX such as PowerVM, LPAR, HACMP etc
• Experienced in configuring and supporting Logical Partitions/Micro Partitions LPAR/DLPAR, via HMC Hardware Management Console .
• Experienced in implementing the Workload Management WLM
• Installation of VIO Server on IBM p6 p5 systems
• Proven ability to Define System requirements, recommended solutions, analyze capacity and make appropriate modifications.
• Extensively worked on Oracle RAC requirement, allocated 3.2TB of EMC SAN Storage which was to be added to Oracle ASM including the ownership being given to DBA. RAC disks were to use ASM and not AIX LVM.
• Experience in manipulating UFS Solaris, GPFS AIX, JFS AIX file systems includes creation / modification / deletion. .
• Perform periodic file system GPFS tuning and monitoring jobs to enhance system/complex performance.
• Installation, administration, configuration and testing of VIO Server and VIO client LPAR'S.
• Extensive experience with Virtualization
• Experienced with the installation, configuration of volume management using Veritas Volume Manager and Solstice Disk Suite on Solaris and experienced in RAID 0, 1, 5, 10 configurations.
• Day to day administration of the Development environment and Production and Test environment systems. 24x7 on-call support
• Strong appetite for learning new technologies with positive attitude
• Demonstrated success many times under aggressive project schedules and deadlines. Flexible, result oriented and adapt to the environment quickly to meet the goals of the product and the organization

Core Technical Competencies:

Operating Systems

AIX 4.x/5.x/6.x/7.x, HP-UX 11.x, Sun Solaris 7/8, Linux, Windows 95/98/XP/NT Server.

Hardware

IBM p-series p620, p630, p650, p690, p5-series p570, p575, p590 RS600043p, 44p servers/workstations. EMC SAN Clarion Symmetrix, FAStT

Languages

C, Java, Java scripts, Perl and Shell Scripts

Databases

IBM DB2, MS-SQL Server, MS- Access

Tools: Developer, J2EE, WSAD, TPM, Resource Analyzer, Log Analyzer.

Web/App Servers IBM WebSphere 3.5/4.0/5.0, Weblogic, Netscape Enterprise Server 3.6.3/iPlanet, VMware. Apache, IBM HTTP Server, Tomcat, HACMP 5.4, PowerHA, PowerVM, Veritas Cluster, Oracle RAC, GPFS, HMC, VIO, DMX, VMAX, VNX, IVM, VMware vSphere client 4.X, LVM

Networking

TCP/IP, DNS, DHCP, HTTP, SSH.

Other Skills

VIOS, HACMP 4.3.1, 4.4, HACMP/ES 4.5, 5.X, Samba, TWS Veritas Volume Manager, TSM, Tivoli Storage Management.

Domain Knowledge

Insurance, Banking, Manufacturing, Automobiles, Engineering

PROFESSIONAL EXPERIENCE:

Confidential

Senior AIX Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Configured IBM P-series 770, 750, 595, 570,550 and RS 6000 machines for production and test environments
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment
• Worked on VIOS and NPIV client Storage migration.
• Performing Migration and/or Preservation Installations and upgrades from AIX 5.3 to AIX 6.1and AIX 7.1.
• IBM Power VM experience including setup and management of VIO partitions and performance tuning on IBM hardware specifically, 9117-MMA.
• Setup and installation of VIO servers, VIO clients, setup of network and disks in virtual environment. Virtual server backup and restoration.
• Implements and managing resources in VIO server for client LPAR's.
• Host based Migration, Performed Disk mirroring, backup and restore for better data availability and Disaster Recovery.
• Perform Real time troubleshooting of VMware, windows Server and Network.
• Migrated Linux based machines and Power off Machines to virtual machines using VMware converter boot CD.
• Storage Migration moving storage from EMC to SVC and upgrade sddpcm driver and micro code. SVC to SVC Migration on VIO and upgraded sddpcm drivers
• Lpar firmware upgrade.
• Perform periodic file system GPFS tuning and monitoring jobs to enhance system/complex performance.
• Production environments were generally clustered with HACMP/powerHA or Veritas Cluster Server VCS for AIX. Versions of AIX some LPAR, some physical servers ranged from 5L in legacy environments to 6.x in production
• Supported in configuring backup IP or commvault IP and worked closely with firewall and n/w team and helped in trouble shooting if issues arise.
• Responsible for installing configuring, migrating and maintenance of GPFS version 2.1 and 3.3
• Responsible for Implementing Cloning, Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 4.0/5.0.
• Design, build, install and configure Red Hat Enterprise Linux servers workstations
• Create and administer RedHat Enterprise Linux operating systems to implement on the existing network.
• Troubleshoot and Trouble Analysis of system issues
• Determine issues and resolutions for Systems and Servers installed.
• Involved in Building up of servers from the scratch and testing the same.
• Extensive experience creating LPAR DLPAR using HMC.
• High availability setup for two different clusters.
• Designed Build a five node cluster from scratch and added nodes to two different existing clusters.
• The task includes the following steps as to ensure all DBA/Apps accounts exist with unique IDs on both production and failover servers.
• Renaming Logical volumes, JFS log, VG names, assigning new major numbers, VARYOFF VG, export VG and import VG with new major numbers.
• Migrating user's home directory and applications file system to SAN disk for failover.
• Wrote korn shell scripts for HACMP to automatically start, stop the database and application when the server failover or fallback.
• Extensively involved in Backup Restores.
• Third party software installation and upgrades, scheduled system health checks, S.A. procedure documentation, New system planning, Customer support, System related problem determination and resolution.
• System Performance, Monitoring and Tuning
• Responsible for installation, upgrade, and Migration for AIX 5.3/6.1/7.1.
• Responsible for the operation, maintenance and integrity of a distributed, networked
• Performed package installations, maintenance, periodic updates and patch management.
• Installation/Administration of TCP/IP, NIS/NIS, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
• Managing and monitoring all TSM server operational processes.
• Defining, scheduling, and monitoring backup and Admin jobs.
• Work on performance issues in TSM environment.
• Provide reports for the overall TSM environment.
• Oversee maintenance and performance of tape drives and tape library infrastructure.
• Managing the onsite/offsite tape inventory and movement with tape operations.
• Participating in disaster recovery exercises and events.
• Forecasting TSM infrastructure capacity needs.
• Responsible for configuring LPAR for Production/Test environment and configured disks/storage/DS4000 connections
• Configured NIM server, Alternate NIM server and NIM client's and performed OS installation and OS backup mksysb for the clients from NIM server.
• Installed VIO server Advanced POWER Virtualization on IBM P 6 570 and created virtual resources scsi Ethernet adapters and allocated the same to client lpars
• Configured SAN storage to VIO servers and allocated the Luns to vio client lpars using mkvdev command
• Responsibilities include day to day tasks such as file transfer, creating account, creating logical blocks, monitoring the server and application, running the script. Solving the hardware issues
• Patching, applying efixes, APARs and upgrading TL and SP to latest levels
• Extensively worked on creating VIO's and client LPARS
• On- call production support 24/7
• Configured SAN storage to VIO servers and allocated the Luns to vio client lpars using mkvdev command.
• Written Perl scripts to collect server statistics
• Installed VIO 1.5 on VIO server and AIX 7.1/5.3/5.2 on vio client's from NIM master
• Used HMC to create partitions, change LPAR properties and to perform dynamic lpar operation
• Responsible for Upgrading the HMC from 6 to 7.3.2 to 7.3.3. and performed Firmware upgradation by Upgrading the server from TL5 to TL7
• Extensive experience in using Ticketing tool IBM remedy
• Installed various modules of SAN on the AIX servers and tuned parameters to have a seamless SAP installation
• Configured Fiber Channel Switch for SAN usage, zoning included
• Installed/updated firmware on the controllers/drives/expansion cabinets
• Created Arrays and Volumes for production use
• Monitored performance and recommended changes to enhance as required

Environment: IBM P-series 770, 750, 595, 570,550 and RS 6000, VMware, SAN, SAP, SVC, LPAR

Confidential

AIX/Linux Sys Engineer

Responsibilities:

• Administration and technical support of AIX Mutual Fund Database Servers and Server-Clusters eg Veritas VCS, Oracle RAC in close cooperation to the DBA teams and Application Support teams, participation in a huge number of projects in these areas covering AIX aspects
• Documenting the procedures and standards for other administrators to follow.
• Setting up standards and solving complicated issues which were escalated to engineering team
• Discussing with the vendors for new hardware requirements
• Built the AIX 6.1 Golden image and deploying it in the production environment.
• Experienced in building VIOS 2.1.2.12 golden image and installing in production environment.
• 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
• Worked on p RS6000 frames
• Experienced in documenting the standard hardware requirements for POWER7 p750, p770 and installing AIX 6.1 on POWER7 hardware.
• Extensively worked on Mirroring of local disks as well as SAN disks to maintain Data Redundancy and performed Data Replication
• Extensively work with SAN storage EMC VMAX, 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 and increased file system sizes
• 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
• Installation of RHEL on IBM Bladeservers HS21 and JS22
• Day to day support and troubleshooting of RHEL
• Performed basic Troubleshooting.
• Creating the Linux file system.
• Updated the Linux Kernel from an RPM.
• Experienced in performing TL upgrades applying service packs on AIX 5.3/5.2 through
• Zoned and configured SAN Storage and extended LUNS VG in vanilla and Cluster environment.
• 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
• Logical Partitions of VIOS and VIOC on Blade server and pSeries frame
• Working on Veritas Volume Manager
• Installation of veritas volume manager on sun solaris operating system,
• IBM's SVC and DS series, Power Path installation and involved in Storage Area Network SAN administration.
• 24x7 on call production support
• 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.
• Single point of contact for HACMP Cluster issues support
• Designed built a five node HACMP cluster from scratch and added nodes to two different existing clusters.
• 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.
• 24x7 on call production support
• Shell scripts to gather server resource statistics like available memory, processors etc from multiple servers
• Written Shell scripts to collect server statistics
• 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. REDHAT LINUX, ZLINUX

Confidential

AIX/Linux System Administrator

Responsibilities:

• Administration, Installation and maintenance of AIX systems.
• Created LPARs on p frames
• Performed DLPAR operations
• System administration including user, system group management, system updates, performance monitoring, backup/recovery, disk storage management.
• System backup management using IBM ADSM Backup Server.
• Capacity planning
• Day to Day TSM Operations such as expiration, migration, reclamation, collocation etc.
• Handling daily operations with the IBM 3584 LTO Library, and escalation to vendor for hardware problems
• Monitoring daily health of the TSM server environment.
• Solved problems involving DMS dead man switch timeout in HACMP environment.
• 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.
• Worked with Veritas Volume Manager, Veritas Net Backup and Sun Cluster Server in all environments.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Upgraded HACMP V4.3 nodes by doing a node by node migration without changing the cluster setup.
• Configured HACMP 4.5 to monitor, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
• Involved in configuring cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Expertise in using the cluster snapshot utility to record the HACMP odm configuration information.
• Worked on server builds for AIX, SUN Solaris and Windows platforms to achieve 100 acceptance on all the Disaster Recovery projects.
• Install and configure DHCP, DNS BIND, MS, web Apache, IIS, mail SMTP, IMAP, POP3, and file servers.
• Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services NFS, and Network Information Services NIS .
• Performance Management Tuning of AIX Kernel.
• Installation of Printers, Hard disk and Tape Drives etc.
• Security, users, groups' administration and daily backup and restore operations.
• Implemented Crontabs, Shell Scripts for automatic back -up.
• Networking service, performance, and resource monitoring.
• Systems administrator providing support for production and development systems. Environment consisted of multiple pSeries IBM RS/6000's, SP and X-Window terminals.
• Tested products for evaluation purposes and documented for necessary changes required as per environment.

Environment: p570, 590 frames, IBM 3584 LTO Library, IBM ADSM, IBM RS/6000 SP, HACMP 4.5, AIX Kernel, Apache, IIS

Confidential

AIX/UNIX Administrator

Responsibilities:

• Worked as AIX System Administrator to support P 5 550/570/575/595, P6 and Blade Center
• Responsible for Configuration of multiple logical subsystems utilizing IBM HMC,WSM, including LPAR configuration, NIM and CSM to install and manage the LPAR Good understanding in Advanced POWER Virtualization on IBM P5 System
• User Administration password restrictions and security implementations according to Implementation of SOX requirements, LDAP VAS user's administrations.
• Responsible for event processing, change management and problem determination in HACMP environment.
• Security measures blocking unnecessary ports and restriction user's remote logins.
• Provided remote technical support for the AIX software team.
• Installation, migration and maintenance of AIX LINUX operating systems.
• Device management, including adding, changing, and configuring physical and logical devices.
• Zone Creation on Cisco and brocade San switches. Creating, managing and mapping Luns to Servers from DS8K,DS3K,DS4K Storages.
• Configuring Fcip routers and implementing and working on Global mirror between Storages DS8K .
• Installing and Updating Device drivers for Storage, Tape library. SDDPCM, Atape . Firmware Installations on P series servers,Tape library,HMC.
• File system management - Creation, Deletion, File Systems Changes Grow and Shrink ftp access, cron and at job Scheduling.
• Disk Storage Management in AIX Logical and Physical Volume Configuration and maintenance
• Monitoring systems, CPU, memory and disk utilization using topas, sar, vmstat, netstat etc.
• User, Patch and Security Management, Problem determination.
• Troubleshooting booting related issues, creating boot records, working with system maintenance mode, accessing rootvg in system maintenance mode, recovering root password, fixing booting related issues, working with bootlist.
• User Management - Creating, maintaining, and removing users and groups. Security settings on user accounts and groups
• Working on job scheduling tools, managing log files, errpt, daily management activities.
• Performing daily health checks of all supported servers and taking steps proactively if any findings observed.
• Mirroring volumes groups, logical volumes and working ODM and VGDA and fixing related issues.
• Monitoring the system, cpu, memory and disk utilization using topas, sar, vmstat, netstat, nmon, etc
• Working with paging spaces creation, increase, decrease paging spaces as per the requirement.
• Server OS Installation, APAR, PTF and ML, TL installation and management. Installing any third party tools as and when required. Using alternate disk installation method for the same for critical servers to reduce down time.
• Working on System Management Services SMS and changing boot list order etc.,
• Accessing rootvg of the machine that will not boot and fixing any file systems mounting issues.
• NFS Administration, exporting file systems, mounting exported file systems, working nfs daemons and fixing any mounting issues.
• Configuration of new devices using cfgmgr faulty disk Replacement incase of any disaster. Working with mirrored logical volumes. Device management, including adding, changing, and configuring physical and logical devices.
• HACMP Cluster Configuration, Setting up new HACMP environment, Configuring HACMP networks, Failover testing and verification, Cluster Synchronization, performing HACMP health checks looking at cluster statistics, observing resource group status.
• Trouble shooting HACMP related issues, going through the log files, testing HACMP Heart beat i.e. Disk heart beat and RS232 Heart beat and working with different HACMP Daemons.
• Working on HMC, configuration of VIO, LPAR, DLPAR nodes, resource allocation, moving resources as when required dynamically. Mapping vio devices to partitions.
• Working with HMC, creating, configuring logical partitions, performing dlpar operations on dlpar nodes, installing OS on lpars.
• Mapping adapters and allocation LUNs to LPARs.
• Working on Storage, Mapping Luns to the servers, and working on san switch Zoning.
• Configuring NPIV in VIO servers.
• Configure SEA and setup SEA failover in dual VIO environment.
• Configure Virtual repository in VIO server and install clients through virtual cd rom.

Confidential

AIX/System Administrator

Responsibilities:

• Responsible for installation and maintenance of Solaris 8.0/AIX 4.3 servers.
• System backup management using IBM ADSM Backup Server.
• Integrated SUN Solaris, AIX and Windows NT servers.
• Implemented LANs and WAN for Corporate Data Centers.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Logical Volume Management LVM of AIX.
• Disk Management on AIX using SMIT.
• Performed maintenance on AIX RS/6000 machines, such as tape and hard drive replacements, adding print queues, and making and changing logical volumes and file systems.
• Involved in eliminating TCP/IP as single point of failure by implementing serial networks and non-ip based networks.
• Managing cron jobs, at Jobs, batch processing and job scheduling.
• Installed and managed several IBM RS/6000 systems which include disk management, user management, network management, performance management, test and development projects running on AIX 4.1, 4.3.
• Responsible for all aspects of AIX System Administration and support for all RS-6000 servers such as OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance.
• Installation/administration of AIX, Linux and NT/2000 Servers on a LAN, setting up optimal RAID levels fault tolerance for protected data storage in NAS environments.
• Migrated Base Operating System including Network Components TCP/IP, NFS and NIS from v4.3 to v5.1 and also experienced with Alternate Disk installation troubleshooting configuration.
• Applying software maintenance, program fixes and keeping the system software releases current.
• Configured SSH for secure telnet and FTP connections.
• Created users on the server for public and private ftp access to the site.

Environment: IBM ADSM, SUN Solaris, Windows NT servers, IBM RS/6000 SP, AIX 4.1, 4.3.