SUMMARY:

• Over 6 Years of experience in large scale enterprise environment working as an AIX Systems Administrator.
• Experienced in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX, Linux RedHat SuSE ,Windows 2003 server
• Installed and managed several IBM AIX systems which include disk management, user management, network management, performance management, test and development projects running on AIX 6.1/5.3/5.2/5.1
• Installation/Administration of AIX on RISC servers running on a LAN with full setup of network services and protocols, ensuring the proper implementation of the TCP/IP Stack, and ARP/RARP routing, and network functionality
• Installation and configuration of LPARs with AIX 5.3, 6.1 and 7.1 on p5, p7 and Blade servers.
• Installation and configuration of VIO Server with AIX 5.3 and 6.1 on 570,590,750 and Blade servers
• Configured and Administrated HACMP 5.4/5.5/6.1
• Strong understanding of NPIV.
• Expertise in Migrating AIX OS from 5.3 to 6.1 on all pSeries servers.
• Install Linux interactively and with Kick-start.
• Expertise installing, configuring, and support Red Hat,Suse Linux and windows operating system.
• Experience in Tivoli Storage Manager TSM web-based management.
• High Knowledge and hands on experience with Solaris OS, Veritas Cluster Server VCS Veritas Volume Manager VxVM .
• Migrated from HACMP 5.5 to 6.1
• Configuring and administration of weekly mksysb backup on AIX servers.
• Performance monitoring and tuning using monitoring tools like NMON, TOPAS.
• Experience in installation and configuration of SAP AIX servers.
• Installation of patches, Security fixes, packages on AIX, Linux and Windows NT/2000 Servers
• Installation and configuration of NIM master server and clients.
• Expertise in MM management Module IP reset at times of failure master in H-type BladeCenter.
• Knowledge and understanding of AML.
• Implementation of AML apps like Actimize, SAS AML and Detica.
• Working knowledge of EMC Symmetrix, v-max, vnx, Clarion.
• Experience with Real Application Testing RAT
• Installed, configured and maintained Oracle Real Application Cluster RAC
• Automate and schedule batch jobs using CRON.
• Configuration and administration of NFS. Handling automount.
• Configuring and administration of NFS server and NFS client.
• Configuration and administration of Fiber card Adapters and handling AIX part of SAN SAN arrays HITACHI, IBM SHARK .
• Installed and configured IBM Web Sphere Application Server 3.5/4.0/5.0 on AIX and Linux.
• Performed NT and UNIX Network System Administration, including adding NT and NIS domains, creating new users and groups with multi-levels of security.
• Installed and Configured DB2 on AIX OS Server
• Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environments
• Migrating AIX OS from AIX 4.3 to 5.1,5.2and 5.3 on 520, 550, 610 ,RS/6000 Servers
• Expertise in Unix Scripting using C/C and Perl.
• Administering and troubleshooting of AIX HACMP Clusters
• Experienced and familiar with tools like SMITTY
• Installation and support of Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i, SQL Server on Windows and UNIX
• Experienced in implementing the workload Management WLM using cloning and clustering
• Expertise in Ethernet Cabling of pSeries Servers.
• Experienced in writing scripts such as Korn Shell ksh and Perl.
• Experienced in DNS, NIS, NFS, LDAP, sendmail, ftp, remote access, security management, and system troubleshooting skills.

TECHNICAL SKILLS:

WORK EXPERIENCE

Confidential

System Administrator

Responsibilities:

• Installation, configuration and maintenance of IBM AIX / UNIX Operating Systems
• Configured and administrated Lpars.
• Configured and administrated VIO server and Lpar clients.
• Administration Tasks included User administration, Performance, Sendmail, weekly mksysb
• Analyzed and resolved problems associated with the Operating System's Servers, Hardware, Applications and Software
• Performance Management Tuning of AIX UNIX Kernel.
• Installation/Administration of AIX on RISC servers running on a LAN with full setup of network services and protocols, ensuring the proper implementation of the TCP/IP Stack, and ARP/RARP routing, and network functionality
• Install and support Oracle RAC on Linux and AIX
• Installation, managing and supporting GPFS cluster on AIX server
• Tuning, troubleshooting GPFS cluster on AIX server
• Managing cron jobs, batch processing and job scheduling.
• Software installation and maintenance
• Networking service, performance, and resource monitoring
• Daily backup and restore operations.
• Set-up and administration of DNS server
• Automate and schedule batch jobs using CRON
• Have detected, diagnosed, and reported IBM AIX related problems on servers
• Planned and Configured VIO servers 2.1 and LPAR from scratch on frames.
• Administering and troubleshooting of HA Clusters
• Configured and Administrated HACMP 6.1
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Built DR procedures for TSM Server 4/5 on AIX 6.1, updated volume numbers for daily DR backups
• Responsible for determining hardware and compatibility requirements for installation of TSM client software

Confidential

UNIX Engineer

Responsibilities:

• Managing AIX /Redhat Linux/Solaris UNIX servers in Development, implementation and production environment
• Installation, Configuration and Administration of AIX 5.3/6.1, Redhat Linux 5.5/6.0 solaris10 servers
• Performing AIX/Linux administration supporting on pSeries servers 570,595, 770, and 795 and HP prolient/Dell poweredge/Blade centre/IBM iseries
• 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
• Creating Virtual servers on VMWARE ESXI and installing Redhat Linux 5.5/6.0
• Based upon requirement, adding additional resources memory, CPU storage to redhat virtual machine using vsphere/viclient console
• Troubleshooting all vmware related issue
• Planned and Configured VIO servers 2.1 and LPAR from scratch on frames.
• Administration Tasks included User administration, Performance, Send mail. weekly mksysb
• Migrated AIX 5.3/6.1 with HACMP 5.5 to HACMP 6.1 online .
• Performed numerous OS migrations and TL upgrades.
• Configured NPIV on Power6 and Power7 frames for lpars which needed direct attach SAN
• Install and support Oracle RAC on Linux and AIX
• Installing third party application like opnet, sideminder, ESM enterprise security manager , CVS and many more
• Configured interconnects and Shared SAN for Oracle RAC nodes
• Managing, supporting and upgrading GPFS cluster on AIX server
• Performed and monitored daily tasks such as user account management, mksysb, and data
• backups users logon support like failed logins, error report checks/required troubleshooting system performance etc.
• Upgraded HMC from V7R350 to V7R720 and from V7R720 to V7R730.
• Installed configuration and supporting Web application servers like Web Sphere/weblogic/jboss on Linux and AIX on production/non production environment
• Worked with DBAs on installation of RDBMS database, backups and restoration and log generation Configured and maintained TSM Clients on TSM 5/4 servers running AIX 6.1 and IBM HTTP Server.
• Excellent experience in installing ERP application like SAP and oracleapp on AIX.
• Provided HP-UX V5.x to V11.31 , Solaris, AIX and Linux installation, maintenance, upgrade,
• security, performance tuning, and disaster recovery services.
• Responsible for Installation and administrating of Tivoli operation system ITM5 and application ITM6 monitoring tool
• Done Tivoli Monitoring installation of all UX, PX, UD and OR agents also helped in trouble shooting
• Tivoli tape management, troubleshooting tape libraries and drive error, checking tape consistency
• Supported Websphere application on AIX and adept in troubleshooting application issues related to OS.
• Efficient in working with NIS and their user ids and also with NFS and related troubleshooting
• Established WAN connectivity using Cisco 2600 series router for the corporate outlets.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP.
• Installed and Configured Cisco 2950, 3750 series switches
• VLAN and VTP configuration management and troubleshoot.
• Skilled with NIM restores configuration and troubleshooting.
• Experience with EMC SYMMETRIX, V-MAX, VNX, HITACHI, and IBM XIV storage
• Experience with Informix Dynamic Server RDBMS on AIX.
• Experience in working with EMC power path and solution enabler
• Experienced in writing scripts such as Korn Shell ksh and Perl
• Created two node active-passive HACMP clusters and migrated a HA cluster from a power5 to power6 frame.
• Maintain shell scripts to automate the system administration tasks.
• Monitored trouble ticket queue to attend user and system calls.
• Updated data in inventory management package for software and hardware products.
• AIX system optimization over Oracle10/11 applications and utilities
• Giving the Level 2 support and assisting the team members in fixing the AIX software problems.
• Implemented the various security features in the UNIX/AIX environment using LDAP like configuring user authentication, Keonizing.

Confidential

System Administrator

Responsibilities:

• Lead and execute configuration/provisioning assignments
• Primary skills focused on AIX / Linux
• Installed Linux OS, and configured required network on virtual machine.
• Strong understanding of VMware vsphere Centre.
• Configure Linux guests in a VMware ESX environment.
• Strong skills in managing Red Hat Linux servers, SAN Storage EMC, Hitachi ,
• Virtualization. VMware, Red Hat enterprise virtualization preferred , and system security.
• Worked on virtual and physical Linux host for decommission.
• Mentor other systems administrators in engineering, installation, configuration, testing and
• Administration of Linux servers.
• Support Veritas Cluster Server providing high availability environment for critical services
• Configure, and automate the deployment of Linux and VMware infrastructure through our Existing Kickstart/Jumpstart infrastructure. .
• Respond to customer / business partner inquiries and develop solutions to meet their needs
• Create installation and troubleshooting documentation for use by data center operations personnel
• Participate in the development, implementation, and testing of disaster recovery methods and procedures
• Follow change control, incident response, and testing processes for modifications to enterprise server and storage devices and software applications
• Develop, document, and maintain operational processes
• Proactively communicate with the team and manager for issues that may impact the timely delivery of tasks/projects
• Provide support 24x7 on an on-call basis
• Expertise in doing NIM installations on AIX 5.2/5.3/6.1
• Planned and Configured VIO servers 2.1 and LPAR from scratch on frames.
• Experience working with TSM and Veritas Netbackup
• Experience in Veritas RAC Clustering
• Experience supporting Oracle RAC Environemnt running on Linux and Solaris servers.
• Installation, Configuration and Administration of Oracle 11g RAC and Oracle 10g RAC.
• Experience with Real Application Testing RAT
• Administration Tasks included User administration, Performance, Send mail. weekly mksysb
• Performed numerous OS migrations and TL upgrades.
• Installed configuration and supporting Web application servers like Web Sphere/weblogic/jboss on Linux and AIX on production/non production environment
• Excellent experience in installing ERP application like SAP and oracleapp on AIX.
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Creating Logical Partitions of VIO Servers and VIO Clients on pSeries frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC LPARS .
• Setup of VIOClients/LPARS sharing Ethernet Adapters and SCSIs