Career Objective

To enhance my technical experience and keep up with the cutting edge of technologies while using my skills in achieving the company's goals.

Executive Summary

• 6 years of experience as a UNIX/Linux Engineer and Administrator with AIX 5.x, 6.1, 7.1, HP-UX 11i, RHEL 5.x, 6.x, SLES 11.x
• Experience in installing, configuring, maintaining and troubleshooting AIX, Linux and HP-UX servers in large environments
• Extensive experience with IBM PowerVM technologies such as Micro Partitioning, DLPAR, Shared processor Pools, VIO, VSCSI, NPIV, Live Partition Mobility LPM , Active Memory Sharing/Expansion AMS/AME , Shared Ethernet adapter SEA , Virtual Switches
• Knowledge of VMware virtualization, ESX/ESXi 4.x, 5.x, vmware vsphere, vcenter, vmotion and DRS
• Experience with volume management technologies such as AIX LVM, Veritas Storage Foundation VXVM , HP-UX LVM, LINUX LVM
• Hardware experience with IBM P Series P4, P5, P6, P7 , IBM X series, HP 9000, Proliant DL series
• Extensive experience with automated installation and system management technologies such as AIX NIM, HMC, Redhat Kickstart, HP-UX Ignite
• Experience in Upgrading/Patching AIX Servers using NIMADM, Alt disk update, multibos, instfix, installp
• Experience in High Availability Technologies such as HACMP/PowerHA 5.x, 6.1, 7.1 Veritas Cluster Server VCS , Redhat Cluster, HP Service Guard
• Experience in working with SAN/NAS technologies such as EMC vmax, dmx, clariion , IBM Data storage DS 8k, 6k, 4k , Hitachi, Netapp
• Worked with Multipath technologies such as EMC powerpath, AIX MPIO, SDDPCM, Veritas Dynamic Multipathing vxdmp , Redhat DM-Multipath, HP-UX Native Multipathing
• Performance monitoring using vmstat, iostat, svmon, sar, topas, nmon, top, glance
• Experience in Shell scripting using Korn, bash and Perl
• Proficient in working with TCP/IP, DNS, NFS, NIS, SSH, SAMBA, LDAP, SFTP, SNMP, Sendmail
• Installation configuration and administration of VIO Servers 1.5, 2.1, 2.2
• Excellent presentation, analytical, documentation and interpersonal communication skills.
• Experienced in 24X7 on-call for unix/linux support

Technical Expertise

Professional Experience

Confidential

Unix/Linux Administrator

• Performed Operational support for over 200 AIX lpars
• Installed, configured and maintained several AIX and RHEL servers
• Installed and configured 50 lpars aix 6.1 on P770 using NIM
• Worked in planning,sizing, designing and deploying vio servers, lpars, virtual switches, NPIV, LPM on several P7 servers for a SAP project
• Performed AIX server migrations in a data center consolidation project using different migration techniques including EMC SRDF
• Performed lpar migrations using different techniques including live partition mobility LPM
• Performed AIX migrations from 5.3 to 6.1 and 7.1
• Performed TL and SP upgrades on AIX 6.1, 7.1 using alt disk install and multibos
• Built and configured new VIO servers with VIOS 2.2 on P770 using NIM
• Upgraded vio servers from 1.5 to 2.1 and 2.2
• Setup weekly OS backups using mksysb
• Provided support for SAN migrations from IBM to EMC and DMX to VMAX
• Configured fiber channel connections and Zones on EMC switched Fabrics
• Planned, installed, configured, tested and documented 2 node powerha clusters using powerha 6.1
• Supported large db backup solutions using IBM flash and EMC Timefinder Cloning
• Installed and configured Commvault client 9.0 on several AIX and RHEL servers
• Provided break/fix incident support including hardware replacements
• Performed tuning on aix for oracle, db2, sap, RMS
• Created and maintained scripts for support of application and AIX/Linux automation
• Installed, configured and maintained several RHEL servers 6.x
• Performed routine security patching of AIX and RHEL servers for known vulnerabilities
• Provided support by 24x7 shift rotation basis and pager support.

Confidential

UNIX/ AIX System Administrator

Responsibilities:

• Responsible for regular enhanced Migration of AIX p5, p6, P7 series servers from one data center to another and migrations within the data center which also included using Live Partition Mobility.
• Responsible for Remote AIX Support With more than 1250 servers.
• Installed racked and configured IBM pseries p4/p5/p6/P7 p595, p590, p570, p561, p560, p550, P770 for production, staging and test environments.
• Installation and configuration of LPAR's with AIX 6.1 on p6, P7 servers.
• Responsible for performance monitoring using AIX utilities and nmon, Site view.
• Performed HACMP failover and failback as per the user's requirement.
• Experience of configuring 4 nodes cluster with multiple RG configuration.
• Extensive working experience on LVM. Creating VG, LV and FS.
• Upgrading and updating TL, APAR and patches on AIX 5.3 and 6.1.
• Perform User Account management, data backups, and users' logon support.
• Installation and configuration of NIM master server and clients.
• Creating lpp source and SPOT for client on NIM server.
• Experience of upgrading and updating frame and device firmware using HMC
• Provided UNIX infrastructure, operations and support for IBM RS/6000 7026-M80 servers and pSeries servers running IBM AIX 5.2, 5.3, 6.1.
• Performed installation, periodic maintenance updates and applied APAR fixes.
• AIX systems administration and Disk Management.
• Experience in creating and installing standalone client LPAR and VIO client LPAR using on VIO versions 1.5 and 2.1.
• Upgraded and upgrading HMC from version 6 to 7.
• Installation and configuration of VIO Server 1.5,2.1 and AIX 5.3,6.1 on client LPAR's for p 5 595, 590 and p6 570, 590 servers.
• Upgrading TSM Client from version 5.2 to 5.5
• Managing various scripts to start up and shutdown databases and SAP systems.
• Installed and configured Sudo for users to access the root privileges.
• Define/setup network protocols, Network File Services NFS , and Network Information Services NIS .
• Provided support by 24x7 shift rotation basis and pager support.

Confidential

System Administrator

• Responsible for installation and maintenance on p 5 520,560,570 hardware with AIX 5.3
• Installation of patches, packages on AIX, and Windows NT/2000 Servers.
• Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environments.
• Installation, Administration and configuration of LPAR's with AIX 5L on p5 servers
• Experience of creating and installing standard LPAR and VIO client LPAR using HMC
• Installation, configuration and administration of IBM Web Sphere Application Server V4.0, on AIX along with DB2 UDB IBM HTTP server with SSL for secure communication providing technical support to users
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Network management of TCP/IP networks, IP address management.
• Performing upgrades of OS and applications.
• Tested products for evaluation purposes and documented for necessary changes required as per environment
• Korn C shell scripting, mainly for scheduling jobs CRONTAB
• Inventory management for Software and Hardware.
• Disk Replacement Strategy on AIX.
• Logical Volume Management LVM of AIX.
• Performance Management Tuning of AIX UNIX Kernel
• Security, users and groups administration
• Provided support by 24x7 shift rotation basis and pager support
• Monitored trouble ticket queue to attend user and system calls.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.