SUMMARY

• An IBM Certified Specialist in UNIX/AIX Administration with 8+ years of experience with UNIX operating systems such as IBM AIX, Sun Solaris, LINUX, HP - UX and Windows Servers.
• Worked on various IBM p-Series servers p795, p770, p595, p590, p570, p550 and p520, JS21 Blade, JS20 Blade and have extensive experience in Configuration, Installation and Administration of AIX 4.3.x/5L/6.1 and Linux(Red Hat),SunSolaris Operating Environments.
• AIX 5x and 6x installation, upgrading, migration and troubleshooting.
• Applying patches, fixes, TL to OS and upgrading p4, p5, p6, p7 and HMC hardware firmware.
• Experience in managing, troubleshooting P4, P5 and P6 series hardware.
• Knowledge in working with Fiber Channel and SCSI Storage Area Networks (SAN).
• Performed hardware maintenance tasks which involved expanding system resources.
• Veritas File System (VxFS) for Disk Management, Volume Management & increased disk availability.
• Performed migrations from 5.3 to 6.1 and 7.1.
• Created Disk groups and File Systems using Veritas Volume manager
• Experience in creating standard Virtual I/O client LPAR using HMC.
• Knowledge and hands on experience on Advanced Power5, Power6 and power7 and Vmware Esx and Esxi server for virtualization.
• Installation and configuration of VIO 2.1, 2.2
• Migration of VIO form 2.1 to 2.2
• Partitioning and management Virtual I/O servers and clients
• Expertise in creating Dual Virtual I/O servers with SEA failover, MPIO and link aggregation.
• HMC migration from version 6x to 7x
• Extensive experience in creating NIM environment which includes creating the NIM master and installing the operating system on NIM clients.
• Experience in Server LPAR Migration From one hardware to another (p4 to p5 or p5 to p5) and AIX OS migration from Lower level to Higher Level, using NIM server, and different type of Migration methodology.
• Creating and maintaining Users, Disk space, LVMs and Process Monitoring in Linux.
• Proficient with user account maintenance, backup & recovery, Auto-mounting.
• Experienced with Storage Administration like EMC SAN Administration.
• Replaced H/W (Motherboard, Memory (DIMM’s), Media-Drives, NIC Cards, HBA) by coordinating with onsite team/vendor..
• Hands on experience with NFS administration, File system management.
• Experience in planning, implementation and Administration of HACMP systems.
• Hands on Experience in Installation, configuration, maintenance and Administration of HACMP on AIX V5.1/5.2/5.3
• Well versed in creating and configuring volume groups and file system suitable for use in an HACMP resource.
• Experience in using the cluster snapshot utility to record the HACMP ODM configuration information.
• Hands on experience in performing routing administrative changes using CSPOC in a HACMP environment.
• Experience with NPIV.
• Good understanding of error logging subsystem and Performance Monitoring tools like vmstat, iostat, netstat, topas, and lparstat on AIX Version 4.3/5L.
• Extensive use of Resolved Application Startup problems, PATH problems, Name conflicts, TCP/IP and Networking Problems in AIX.
• Planning and implementation of backup/recovery using Commvault/NIM/Sysback5.6.
• Experience of Shell scripting
• Provide support to SAP applications.
• Switch/Storage Migration, storage allocation, IO performance tuning.
• On call support for Prod/Dev/QA environments.
• Good communication skills & well versed with group work.

TECHNICAL SKILLS

Operating System: AIX 4.3/5.1/5.2/5.3/6.1 , Solaris 10/9/8 and Red Hat Linux 6.29.0, Windows NT/2000/XP/98/1995, MS Dos

Hardware: IBM RS/6000 P-Series servers (p795,p770,p595, p590, p570p550, p520) JS21 and JS20 Blade Servers, HP, Sun Enterprise 450/420R/250 server, Sun Sparc Ultra.

Web /Application Server: IBM Web sphere, Tomcat, Apache, and Web Logic

Cluster server: HACMP Clusters

Scripting Languages: Korn shell, Born shell

Programming Languages: C, C++, Java

Network Protocols/ Services: TCP/IP Suite, UDP, HTTP/HTTPS, SSL, SMTPLAN/WAN, TCP Wrappers, SSH, VPN

RDBMS: Oracle 8i/9i, DB2/UDB 7.2/8.0, MS Access 2000, Sybase 10.x, 11.x, SQL Server 2000

DR Project: Rebuilt the Complete AIX Architecture on different site in Dallas, recreate the volume group structure, restore the AIX operating system on DR systems and restore the data from TSM (Tivoli Storage Manager)

PROFESSIONAL EXPERIENCE

Confidential

Sr.AIX/Unix, Administrator.

Environment: IBM-AIX 6.1, 5.3, 5.2, 5.1, HP-UX 11.0, Sun Solaris, Red Hat LinuxVmstat, NIM, HMC, Shell/perl scripting, VIO Server, virtualizationLPARS, Foundstone, HACMP 5.1, 5.2, IBM Pseries IBM RS6000, AS/400SAN, ODM, Tivoli (TSM)3.5, Veritas, Blade firmware /microcodeVmware, SMITTY

Responsibilities:

• Installed and configured AIX 6.1,5.3, 5.2, 5.1 on RS-6000's, creating the root volume group application/backup volume groups, logical volumes, and filesystems (JFS & JFS2) on RAID Level 5 with appropriate data stripping for protection, and for the optimal performance of the RS-6000 Servers within a High Availability system using DASD, DCE and DFS services.
• Daily roles included dealing with LVM extensively, strong hold of LVM.
• Involved in designing source to target mapping Using Advanced Navigation and Mapping Options.
• Built cut over plan.
• Performed Migration from HACMP 4.5 to HACMP 5.1
• Installation/administration of AIX, Linux, Solaris Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mails and file servers.
• Responsible in working on slow servers and increasing performance through performance monitoring tools like vmstat, iostat, sar, nmon. Also used additional tools like vmo, ioo, no.
• Installed & Configured OS/400 on IBM AS/400Systems.
• Setup RHEL Satellite Server to maintain Licensing and Patches.
• Involved in migration of disks from SSA to NetApp storage
• Deploying RHEL 5, 6 Servers using Cobbler kickstart server on VMware virtual machines.
• Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environments.
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 (online).
• Worked with standard AS/400 command interface to drive the conversion utility.
• Extracted screens from the Wang program and created native AS/400 DDS source code.
• Developed Shell scripts (Korn) for automating the batch jobs.
• Configured IBM RS 6000 series 550,520,630, 650, 660, 670, 970 machines for production, staging and test environments.
• Installation of patches, packages on AIX, Linux and Solaris Servers.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Installing OS on NIM clients using NIM Server.
• Installation, managing and supporting GPFS cluster on AIX server
• Tuning, troubleshooting GPFS cluster on AIX server
• Involved in configuring and tuning HP-UX operating system and devices (including SAN).
• Provided UNIX infrastructure, operations and support for IBM RS/6000 (7026-M80) servers and pSeries servers running IBM AIX 6.1,5.3, 5.2, 5.1,4.3
• Installation and configuration of NIM master server and clients.
• Worked with SAN management team for high speed network by attaching servers and storage devices.
• Designed SAN volume controller to combine storage capacity to manage SAN more effectively and created LUNS with SAN management team.
• Creating lppsource and SPOT for client on NIM server.
• Ensured server data integrity by evaluating, implementing and managing software solutions like Tivoli Storage Manager.
• Configured backup/archive policies using Tivoli Storage Manager (TSM). Backup utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
• High Availability: Worked in designing and implementing a highly available corporate infrastructure utilizing Amazon Load Balancing/Auto Scaling, GlusterFS, Hadoop, HDFS, Power HA System Mirror, Oracle RAC, Veritas Cluster Server/GCO, Volume Replicator, EMC Recoverpoint /Replication Manager/SRDFScheduled with Ksh Script backup of Clients from NIM server. Restored mksysb images with NIM
• Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Data Warehousing and System Backup using tar, cpio for local systems and Veritas Netbackup for enterprise wide backup and recovery and to centrally manage storage resources through a single console.
• Predefined and Customized Volume Group management on AIX.
• AIX systems administration and Disk Management using SMIT.
• Responsible for installation and maintenance of 4.3 AIX servers.
• Installed patches, packages on AIX.
• Performing upgrades of OS and applications.
• Created users, manage user permissions, maintain User & File System quota.
• Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environments.
• Administering and troubleshooting of AIX HACMP Cluster.
• Administrator of IBM RS/6000 servers running AIX 4.3.3 for support of HRMS Environment on Oracle 9i, DNS, FTP

Confidential

UNIX Aix Admin

Responsibilities:

• Managing SAP environment which includes AIX servers and using AIX 6.1 TL5, TL6.
• Test and configure AIX 6.1 on different applications including SAP.
• Managing and support 200+ VIO server 2.1 and 2.2
• Responsible for installation, configuration, support and troubleshooting existing systems in AIX 6.1/5.3
• Performed Storage Allocation/Deallocation according to the requirements using ESN Manager LUN/Meta mapping, implementing LUN security for the EMC Storage SAN.
• Upgraded Solaris 10 U3 to Solaris 10 U4 with Solaris Live upgrade utility in large scale production environment.
• Upgrade EMC Powerpath 4.3 to EMC Powerpath 5.2 in Solaris.
• Installed and racked p6-570, p7-770/795 servers from the scratch, cabled and documented.
• File System (VxFS) for Disk Management, Volume Management & increased disk availability.
• Install, configure and testing the VIO servers fail over.
• Created Disk groups and File Systems using Veritas Volume manager
• Decommissioning of Sun servers, by removing SAN filesystems, HBA cards, formatting disks, shutdown system and return it to vendor Sun .
• Created disk groups, volumes, volume groups and configured RAIDs using VERITAS Volume Manager.
• Worked on Vmware Esx and Esxi virtualized environment.
• Created guest and assigned N/w and Storage on Esx farm
• Created/Installed/Configured eight Dual Virtual I/O servers on p6-570 with SEA failover, MPIO and link aggregation on p6-570. Performed testing to verify failover and fallback of Dual VIO server.
• Create standard LPAR and DLPAR operations.
• Create, Installed, Configured Virtual I/O server with NPIV configuration.
• Configured Link Aggregation, Shared Ethernet and MPIO on Virtual I/O server.
• HMC migration from version 6x to 7x
• Sudo setup on AIX 5.0, 5.1, 5.2, 5.3 and 6.1
• Install golden image of AIX 6.1 using Storix System Backup utility.
• Installed AIX 5.3 and 6.1 using Media and mksysb.
• Performed daily housekeeping functions, such as establishing new accounts, creating and resetting passwords, developing scripts, performing system backups and recovery, and installing software patches and updates.
• Key participant in implementation and integration of three new data centers including physical, logical and application level testing and support.
• Decommissioning of Sun servers, by removing SAN filesystems, HBA cards, formatting disks, shutdown system and return it to vendor Sun .
• Managed shared NFS files system, mounting and unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting and stopping the NFS services.
• Installed and maintained security using SSL, sftp, Ssh for SUN & Linux servers, configured the build tools to make builds with make/gcc.
• Upgrade the firmware of managed systems p6-570 / p 5-570/550/520/55 A,
• Upgraded HMC firmware from version 6 to 7.
• Use Avocent KVMs and hardware management console (HMC) to stage and monitor headless NIM installations.
• Installation and configuration of NIM master server and clients, creating lppsource and SPOT for client on NIM server.
• Configure and support power path issues and up gradation.
• Upgrade and install Powerpath version 5.5 on clients
• Planning and implement VIO and AIX server upgrade.
• Experience in manipulating JFS/JFS2 files systems including creation, modification & deletion.
• Created user accounts and groups and performed user account management.
• Provided 24*7 on call production support and resolved tickets.