SUMMARY:

• UNIX System Administrator with 9 years of specialized experience in Technical support, maintenance, upgrades, installation, configuration and tuning of UNIX AIX/Linux operating systems, worked in Manufacturing, Banking, Healthcare, Software, and Retail industries, Worked with other technical teams members and customer service teams to schedule implementations around the needs of business and provide clear technical documentation to ensure other team members can assist in monitoring, troubleshooting and changing complex customer environments, Ability to work well in a fast paced environment and direct customer communication.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBMAIX 5.1, 5.2, 5.3, 6.1 7.1 Red Hat Linux ES/AS 4, 5 6
• Experience in Configuration of multiple logical subsystems utilizing IBM HMC with Micro-partitioning onpSeries servers, NIM to install and manage LPAR. Good understanding in Virtualization on IBM P5, P6 and P7 systems.
• Installation of patches, packages and application software on AIX 5.3/6.1/7.1 and LINUX Servers
• Experience in Creating and ManagingLPAR's, Dynamic LPAR on different IBM servers like p550, p570,p590,p595,p630, p650, p670, p690, p710 and p770
• Good understanding of Partition Migration on IBM P6 and P7 machines.
• Installation, administration of VIO Server and VIO client LPAR'S using HMC.
• Installation and administration of VIO server and VIO client LPAR'S 1.3, 1.5, 2.1, 2.2
• Configuration management including the building of LPAR's and configuring the hardware devices that support them and Configuring VIO clients
• Setup and installation of VIO servers, VIO clients, setup of network, VSCSI and disks in virtual environment, Configured VIO Clients on NPIV configuration. Upgrading the VIO server from 2.1 to 2.2 version
• Built new managed system using AIX provision tool kit provided to us by the IBM ATS LAB Services team.
• Experience in taking backup of VIO servers.
• Experience in patching RHEL servers from 5.2 to 5.10 and 6.2 to 6.5, upgraded RHN Satellite Server from 5.5 to 5.6
• Migrated WebSphere RHEL 5 i386 to RHEL 6 x86 64 bit architecture by cloning VM using Golden template.
• Responsible for building, moving and de-installing servers/managed systems based on End of lease agreements.
• Good knowledge in User account administration, adding/creating devices, patching, setting up cron jobs, UNIX backup/restore and changing kernel parameters
• Experience in configuration of HACMP servers and Oracle Rac Servers.
• Experience in Shell scripting Korn to automate system administration jobs as per the customer request and applying the changes after creating a change control and getting the approval according to customer requirements.
• Expertise in creating logical volume filesystems and paging space.
• Experienced in creating CRON jobs to automate various System administration tasks using the crontab utility
• Experienced in installing APAR's, upgrading TL Technology level and firmwares.
• Good understanding of error logging subsystem and performance monitoring tools like vmstat, iostat, sar, topas, nmon, glance, vmo, ioo, no on AIX.
• Responsible for monitoring, management and performance analysis of storage SAN hardware and software
• Experience implementing Fiber attached SAN storage connected to EMC, IBM SAN Volume Controller using SDDPCM, MPIO and EMC clarion
• Involved in planning and configuring SAN/NAS storage and assigned storage to 600 servers, sized LUN's as required
• Responsible for performing LUN Consolidation on SVC Host reaching MAX SVC limits
• Configuring and administration of NFS server and NFS client
• Experience in Shell scripting to automate system administration jobs as per the customer request and applying the changes after creating a change control and getting the approval according to customer requirements.
• Expertise in taking backup and recovery through mksysb and savevg on AIX servers.
• Adding network printers and checking print queues and start and stop spooler, also deleting long print queues on slow servers
• Experienced with installing the operating system and applications on AIX 5.2/5.3,6.1 and 7.1 using NIM installation method by creating NIM master and client with lpp source and spot
• Proficiency with configuration and maintenance of NFS, DNS, NIS/NIS , DHCP, SMTP, and Networking with TCP/IP
• Excellent presentation, documentation,creating process flow using Visio and communication skills, quick learner and team player with strong analytical, trouble-shooting and communication skills.
• Day to day administration of the Development, Production and Test environment systems
• Work with team members to schedule and implement installs and configuration around the needs of business and provided 24X7 supports on pager rotation basis.

TECHNICAL SKILLS:

PROFESSIONAL EXPERIENCE:

Confidential

Role: UNIX System Administrator

Responsibilities:

• John Deere environment comprising about 1000 AIX Servers at 5.2, 5.3, 6.1 and 7.1, performed new installations, migration, patching, security and tuning on power4, power5, power6 , power7 Servers
• Responsible for upgrade projects of AIX OS 5.2, 5.3 to AIX 6.1 and 7.1 Upgrades
• Patched about 3000 RHEL servers from RHEL 5.2 to 5.10 and 6.2 to 6.5
• Upgraded RHN Satellite from 5.5 to 5.6
• Managed IP addresses and created A records in Infoblox
• Started implementing Puppet configuration management and Pulp repository management
• Migrated WebServices and WAS servers from RHEL 5 i386 to RHEL 6 x86 64 bit architectureusing template and script.
• Live migrated VM's using VMware vSphere 5.1 VM motion without having any downtime.
• Created filesystems, managed Volume Groups and test failover and fallback
• HMC firmware upgrade and HMC upgrades from V6R1.3 to V7R7.8.0.0
• Assistance in migrating storage behind SAN Volume Controller and from IBM SVC to EMC VPlex.
• Configured DualVIO server and created LPAR's via HMCv.6 and v.7 on P590, P595, P570,P550, p630, p650, p670, p690 and p770
• Migrated servers from Power 4 Power 5 to Power 7 and Power7
• Create VIO Clients and tested fail over and fall back of VIO Servers
• Installed new AIX operating system on VIO server from NIM server
• Migration of Dual VIO from 1.3 to 2.1 and update to VIOS2.2.3.1-FP27, Upgraded SDDPCM Drivers, SYMCLI, ODM Def's, and HBA Microcode before performing the VIO migration process.
• Migrated VIO's rootvgfrom SAN to internal SAS disks.
• Responsible in configuring of virtual Ethernet, virtual SCSI/ NPIV and virtual memory.
• Developed both administrative and technical disaster recovery plans and procedures, coordinate disaster recovery testing activities and review results
• Used Inventory Scout tool to upgrade system, device and adapter firmware levels
• Converted lpars from VSCSI to NPIV storage configuration
• Creating and managing LPAR profiles and system profiles
• Building, de-installing, and upgrading servers
• Server migrations from physical to virtual and virtual to virtual.
• Responsible of migrating servers from Power 6 to Power 7 managed system using Live Partition Mobility
• Expertize in using performance monitoring tools like TOPAS, NMON,IOSTAT, NMON analyzer, HMC Scanner and VIO's Advisor
• Perform troubleshooting, performance tuning and capacity planning, and troubleshooting of issues in production environment with minimal down time or no outage during working hours and have backup plan for critical Production Servers
• Allocating Resources like memory, processors to LPAR Dynamically using DLPAR
• Responsible for Installing/ Upgrading of AIX 5.3, 6.1, 7.1 using Alt disk Installation
• Restoring the server from the Tape and creating the File systems
• assistance with Solaris, HP-UX, Netbackup, and storage administration Solaris and Netbackup
• Migration of AIX server from 5.3 to 6.1 and from 6.1 to 7.1, installation of APAR's, security patches andDST patches on IBM boxes
• Created standard AIX image on NIM server according to given specifications provided
• Created SPOT and lpp source on NIM server
• Expertise in user administration, setting up user accounts, giving restricted access to users by maintaining PCI/SOX compliance
• Installing rpm patches and fixes on AIX and LINUX servers
• Worked on LVM, mirror and unmirror the hdisks, migrate the LV's creating Volume groups, filesystems, logical volumesetc
• Installation, administration, patches, upgrade, configuration, performance tuning and troubleshooting ofRedHat Linux 5.x 6.x
• Experience working with Jumpstart, Kickstart, NIM Installation Methods
• Experience in Virtualizing RHEL environments with VMWARE ESX 3.5, 4.0 and vSphere 4.1/5.0 servers
• Experience in creating and tuning RHEL file system Logical Volume Manger LVM
• Expertise in RHEL Volume management, Disk Management, filesystem management, Software and Hardware RAID solutions using RHEL Logical Volume manager.
• Experience supporting Redhat servers in Production and Development environments.
• Experience Virtualizing Redhat servers using vSphere 4.1/5.0 and managed ESX servers using vCenter and also worked with ESX Cluster and vMotion.
• Experience working with Solaris Zones/Containers on Solaris 10 for Virtualization.
• Installedand ConfiguredRedHat LinuxKickstartand booting from SAN.
• Experience in using protocols like NIS, NFS, SSH, SFTP DNS.
• Involved in migration activities using Redhat LVM and AIX LVM
• Involved in migrating different applications like SAP Databases like Oracle, DB2 LUW, Wind chill from AIX to Linux
• Performed configuration and zoning on SAN fabric switches
• Solving tickets assigned from clients service desks to each individual. Worked on Change Requests and create new change controls as required for the Maintenance
• Worked very closely with Network Eng. Team to resolve network issues, like resolving Load Balancer Issues, checking cables adapters verifying network address and gateway, routing tables and speed on the adapters
• Experience in SAP, Java, Windchill, DB2, Profile, Infoleaseand other web applications
• Experience with the process of deploying EAR, WAR, JAR files to application server
• Worked closely with DBA's to resolve the performance issues
• Working with Applications team and making recommendations for the application to improve performance
• Developed Kornshell-scripts to automate routine activities
• Created Cron Jobs routinely to automated system backup and mksysb's on Data Domain
• Maintained documentation of all the procedures, Servers and the installed applications and patches.
• Create SOP's and coordinate projects with offshore team, arrange weekly meetings
• Day to daySupporting of Applications running on the AIX Servers
• Responsible to cross administer, implement, support, and troubleshoot complex problems in following environments: Windows, Linux, AIX, HP-UX, Solaris, and VM Ware 24 7 on the on Call rotation
• Excellent communication skills team player, fast learner and deliver projects on time
• Day to day monitoring of Systems using HP Service Manager and Asset Manager for Incident Management and Change management System for handling priority tickets from P1 - P4 .

Environment: IBM AIX 5.3, 6.1,7.1 pSeries 770,710,630, 650, 590 ,595,570,550 Solaris, LINUX, EMC Vplex, SVC, NPIV, NIM, Korn Shell, SAP, UDB, Wind-chill, Power HA, Profile, Infolease, Informatica, Middle ware, Oracle, WebSphere, Web Services, NIS, NFS, DNS.

Confidential

Role: AIX Administrator

Responsibilities:

• Expertise in user administration, setting up user accounts, giving restricted access to users by maintaining SOX compliances.
• Installing rpm patches and fixes on AIX and LINUX servers.
• Experience in working with DS8000. Configured RAID 5 on DS8000 and assigned dedicated and shared LUN's to AIX and LINUX servers.
• Installed MPIO and sddpcm drivers on AIX servers.
• Expertise in working with performance issues by using tools like vmstat, iostat, SAR, topasnmon and setting performance tuning using vmo, no and ioo.
• Worked on LVM, mirror and unmirror the hdisks, migrate the LV's creating Volume groups, filesystems, logical volumes etc.
• Configured dual VIO server and created LPAR's via HMCv.6 and v.7 on P590, P595, P570 and P550
• Create VIO Clients and tested fail over of VIO Servers.
• Installed new AIX operating system on VIO server from NIM server.
• VIO Upgrades from 1.3 to 1.5, 2.1, 2.2
• Created standard AIX image on NIM server according to given specifications provided
• Created SPOT and lpp source on NIM server
• Upgraded, Installed and configured HACMP5.3 and 5.4
• Installed HACMP 5.4 on new servers. Worked closely with network teams to define boot IPS, Persistent IP's, Service IP's and the SAN team to get the shared storage allocated. Defined shared and concurrent volume groups. Write scripts to start and stop applications and work closely with the application team for failover testing.
• Excellent knowledge of C-SPOC functionality for HACMP
• Installation of Master Agent, Host Agents, SYM Agents, and NavisphereAgent using EMC Control Center 6.0 ECC .
• Good understanding of storage technologies, e.g., SAN, NAS, etc., as they pertain to VMware environments.
• Experienced in Installing VMware tool on Linux.
• Experienced in archives, running command-line scripts, installing build-essential packages, compiling, and configuring the startup sessions using VMware tool.
• Performed configuration and zoning on SAN fabric switches using Connectrix Manager McData Switches and Brocade Fabric Manager Brocade switches .
• Solving tickets assigned from clients service desks to each individual. Worked on Change controls and create new change controls.
• Worked very closely with network Eng. Team to resolve network issues. Like checking cables adapters verifying network address and gateway and speed on the adapters.
• Worked closely with DBA's to resolve the performance issues.
• Working with Oracle/Applications team and making recommendations for the application to improve performance.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Created Cron Jobs routinely to automated system backup
• Maintained documentation of all the procedures, Servers and the installed applications and patches.
• Excellent communication skills team player and willing to learn more.

Environment: IBM AIX 4.3.3, 5.1.5.2, 5.3, 6.1,7.1 RS/6000 , RS6000 S80, B80 pSeries 630, 650,590,595,570,550 Solaris, LINUX, TSM, NIM, Korn Shell, NIS, NFS, DNS, HP DL 380, 580, 760, ML 570,530, , HACMP, LPAR, Cisco, WebSphere v6.

Confidential

Role: AIX Server Engineer

Responsibilities:

• Creating user profiles including groups and user accounts, assigning them passwords periodically and allotting them the required permissions and changing the permissions as the situation arises as a part of User Administration duties.
• Supported WebSphere Application Server, IBM HTTP/ Apache Web Servers in Linux 5 environment.
• Installed Oracle 9i and DB2 on IBM POWER based p650, 520 , 630 and 550 with AIX OS 5.2 and 5.3.3 and applying patches.
• System Backup and Recovery version 5 upgrade from the older to the latest versions and applying the e-fixes.
• Installed MQ Series v5.3 Server on AIX OS version 5.2 through Custom Installation and configuration of the MQ series including verification of the installation like creating queue managers, starting the queue manager, enabling MQSC commands, defining a local queue, and testing the installation by running MQ commands like amqsput and amqsget.
• In depth knowledge of using the C-SPOC to make changes to the HACMP configurations.
• configured HACMP in both active-active and active passive environments. Tested HACMP on regular basis.
• Configured HACMP on AIX 5.3. Built out the LPAR , loaded OS , installed HACMP file sets,
• Installed and configured HACMPV5.3 and V 5.4 on IBM P590.
• Experience in configuring lppsource and SPOT on NIM server.
• Configuring and administration of NIM server and NIM client.
• Responsible for installing, configuring and maintaining AIX servers including the LPAR's and DLPAR's using HMC on p590,P595, p690, p650 servers.
• Installed and configured VIO server and VIO client LPARS's with HMC v7.
• Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring.
• Performance Management Tuning of AIX 5.2/5.3 UNIX Kernel.
• Implemented TSM backup Solution across the environment to backup the rootvg for all AIX servers.
• Perform User Account management, data backups, and users' logon support.
• Develop Shell scripts Korn for automating the batch jobs.
• Ensured server data integrity by evaluating, implementing and managing software solutions like Tivoli Storage Manager.
• TCP/IP Configuration like assigning IP addresses, configuring network interfaces, assigning static routes, hostnames etc..
• Configured backup/archive policies using Tivoli Storage Manager Backup utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
• Checking error logs and investigating the logs and providing a solution to the application team.
• Installation and replacement of HBAs Qlogic and Emulex on multi-platform hosts including Windows, Solaris, HP-UX. Performed HBA driver upgrades.
• Analyzed Brocade SAN health reports

Environment: IBM AIX 4.3.3, 5.1.5.2, 5.3 RS/6000 , RS6000 S80, B80 pSeries 630, 650, Solaris, LINUX, TSM, NIM, Korn Shell, NIS, NFS, DNS, HP DL 380, 580, 760, ML 570,530, HACMP, LPAR, Cisco, WebSphere v6.

Confidential

Role: AIX/System Administrator

Responsibilities:

• Worked as Unix Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Provided UNIX infrastructure, operations and support for IBM RS/6000 7026-M80 servers and pSeries servers running IBM AIX 4.3.3, 5.1, 5.2.
• Responsible for performance tuning of AIX systems, applying upgrades to AIX current version 4.3.x to upgrade 5.2 .
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager LVM commands.
• Maintained availability, increased capacity performance of production machines by upgrading their hardware disks, cpu, memory, io board, power cooling unit, mother board etc firmware.
• Maintained system security protecting the data on the system by modifying the file and directory permission. Analyzed system performance, Reallocated of kernel resources.
• Performed process automation, scheduling of processes using CRON jobs.
• Installed and configured Oracle 8i in Solaris OS. Worked with DBA team in tuning kernel parameters for database setup and performance.
• Worked in the project of configuring NIS Servers Master and Slave and NIS clients and maintained system and custom configuration files in NIS maps.
• Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients.
• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out

Environment: IBM AIX 4.3.3, 5.1.5.2, 5.3 RS/6000 , RS6000 S80, B80 pseries 630, 650, Solaris, TSM, Korn Shell, NIS, NFS, DNS, HP DL 380, 580, 760, ML 570,530, IBM Netfinity 8500R, HACMP, LPAR.

Confidential

Role:AIX/System Administrator

Responsibilities:

• Administration, installation and maintenance of RS/6000 and pSeries servers running AIX
• 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, disk usage maintenance, etc. Most of these tasks are performed using native Korn Shell scripts.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Defined and setup network printers, and install client/server applications.
• Performance Management Tuning of AIX/UNIX Kernel.
• Security, users, groups' administration and daily backup and restore operations.
• Networking service, performance, and resource monitoring
• Systems administrator providing support for production and development systems. Environment consisted of multiple IBM RS/6000's SP, R-series and X-Window terminals.
• Installing and setting up Oracle9i on Linux for the development team.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Maintaining updated documentation of all the Servers and the installed applications and patches.
• Wrote shell scripts for automated installations, to extract logs.

Environment: AIX, Linux, Windows 2000, Oracle, DB2, IBM HTTP Server, Apache Web Server, Web Sphere Application Server 4.0 and UNIX Shell Scripting