SUMMARY

• Over 7 years of IT experience, includes 6 years of specialized experience in UNIX/AIX System Administration.
• Configure redundant VIO servers, create ether channel, Shared Ethernet adapter, Network Interface backup.
• Extensive experience in installing, configuring, maintaining, design, development, implementation, and support on Confidential AIX 5.2/5.3/6.1/7.1 Operating system Environments.
• Experienced in creating maintaining and managing LPARS, LPARS and VIO with HMC console
• Installed VIO server Advanced POWER Virtualization on Confidential P5 and P6System. Assigned resources by making six partitions LPAR client of VIO server and clients Installation.
• Expert in Virtualization, VIO - vitalizing network interface cards, and disks.
• HMC backup on DVD RAM disk. Configuring new HMC including network configuration.
• Performing different operations on LPARs - assigning /removing/moving resources to partitions dynamically.
• Good working knowledge of HACMP, Virtual I/O
• Experienced in 550,570,575,590,595, P6 (550,570,690) and P7 System Software Maintenance.
• HACMP Cluster Configuration, Setting up new HACMP environment, Planning, Design, Configuring HACMP networks, Failover testing and verification, Cluster Synchronization, performing HACMP health checks - looking at cluster statistics, observing resource group status.
• Participated in new HACMP build project. Have configured two node HACMP cluster from the scratch.
• Good at configuring resources, resource groups in HACMP. Have configured non ip heart beat networks.
• Expertise in Planning, Installation, Configuration and Maintenance of Confidential HACMP on AIX.
• Extensive experience with Informatics tool set with good working experience in Abinito.
• Experience in installing and administering any EAI tool such as Tibco, WebMethods, WebSphere, SAP PI or Progress on UNIX.
• Experienced in DNS, NIS, NFS, LDAP, Sendmail, ftp, remote access, security management, and system troubleshooting skills
• Performed migrations from 5.3 to 6.1 and 7.1
• Experienced Confidential and EMC San.Sizing and configuring SAN on AIX, Solaris and Linux Servers.
• Provided production support in an on-call rotation in a 24x7 environment and Datacenter Support.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• 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.
• Experienced in installing and supporting Power path and SDD drivers on Aix servers.
• Experienced in documenting the physical server position in Datacenter.
• Experienced in planning the space for new AIX and LINUX Servers in the Datacenter and updating the Excel Sheet with the LPAR configuration and physical location in the Datacenter.
• Experienced in EMC clarion, Symmetrix, Confidential DS400, DS 6000, DS 8000.

TECHNICAL SKILLS

Operating Systems: Confidential AIX 5.x/6.x, 7.1

Platform: Confidential, PSeries P4, P5, P6, P7 - 550, 570,575,590,595,660, 670, 690,750,770

Other Skills: HACMP, VIO, TSM, DB2,Oracle, WebSphere, HMC, NIM

PROFESSIONAL EXPERIENCE

Confidential, Detroit, MI

AIX/System Administrator

Responsibilities:

• Worked as Aix Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Provided UNIX infrastructure, operations and support for Confidential RS/ 26-M80) servers and pSeries servers running Confidential AIX 5.2, 5.3.6.1,7.1
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Responsible for performance tuning of AIX systems, applying upgrades to AIX (current version 6.1x to upgrade 7.1).
• 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.
• Installed SYSMON software on Solaris 7 and monitored the system performance.
• Configured and installed servers for Solaris 7 using Custom jumpstart installations for the workstations through jumpstart server.
• 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.
• Reconfigured Confidential Total Storage SSA Raid arrays ( /O20), periodically updated macrocodes for array components, performed problem determination and advanced diagnostic procedures using diag and SSA service aids.
• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out

Confidential, Dubuque IA

AIX Administrator

Responsibilities:

• Setup and configured network TCP/IP on LINUX and AIX servers including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on the Servers.
• Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Configured Confidential P6 and P5 for production, staging and test environments
• Logical Volume Management (LVM) administration of AIX.
• Provided remote technical support for the AIX software team.
• Responsible for determining hardware and compatibility requirements for installation of application software and different tools.
• Analyzed problems on RPC, security & directory services of DCE/DFS. Fixed bugs using IPtrace tools, core dump analysis tools and memory leak tools.
• Performance Management & Tuning of AIX UNIX Kernel.
• Expertise in LDAP Installation, Configuration and troubleshooting.
• Responsible and expertise in installing and configuring and trouble shooting apache and samba server
• Extensively used LVM, created VGs, Lv’s, and disk mirroring.
• Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Installing and configuring LDAP on AIX and windows Expertise in making user groups
• Responsible for conformance, regression and performance testing of the Mirapoint LDAP Directory Server Appliance
• Experience in setting up clusters and creating repository queue managers for load balancing.
• Experience in analyzing logs, problem determination, and Recovery and restart.

Confidential, Naperville, IL

AIX Administration

Responsibilities:

• Responsible for installing, configuring, maintaining, design, development, implementation, and support on Confidential AIX 4.3.x/ 5.1/ 5.2/5.3/6.1/7.1 Operating System Environments.
• Responsible for in creating maintaining and managing LPARS, LPARS and VIO with HMC console
• Experienced in Confidential RS/6000, P4, P5, P6 and P7 System Software Maintenance.
• Installed and build from scratch complete NIM Setup. Added different clients to NIM server and their Backup.
• Performed migrations from 5.3 to 6.1 and 7.1
• Scheduled with Ksh Script backup of Clients from NIM server. Restored mksysb images with NIM
• Installation, configuration, Performance Tuning of Sun Solaris, HP UNIX & Confidential AIX
• Installed VIO server Advanced POWER Virtualization on Confidential P5 and P6System. Assigned resources by making six partitions LPAR client of VIO server and clients Installation.
• Good working knowledge of HACMP, Virtual I/O.
• Responsible for Enterprise Application Integration Toolset Administration.
• Responsible for Supporting as a secondary administrator to Linux and Sun Solaris.
• Ability to provide direct support for storage administration of FAStT/DS4800, USP600, AMS500 and SAN Fiber director is needed.
• Extensive Experience in Installing and Building AIX Micro Partitioning Virtualization
• LPAR System using AIX Ver5.3 and Confidential p5 Hardware such as p550, p570, p590 and p595. Using the NIM Server.
• Responsible for Building and Installing the VIOS Servers Storage and Network using VIOS AIX 5.3 and VIO Software ver2.1 with SSH capability.
• Responsible for Converting Existing Standard LPAR build in p5 systems with AIX Version 5.3 to VIOC (Virtualized Micro partitioning LPAR) with SAN Boot LUNS or Local Disk boot
• Experience in Building new Confidential LPAR eServer Machines installing and configuring AIX from the scratch on (p650, p690, p550 and p570) using NIM installation
• As a senior systems administrator, lead and manage special projects for the team, built and maintain mission critical and non-mission critical UNIX servers, proficient in communication, negotiation, and scheduling activities to accomplish objectives. Other main responsibilities:
• Work with VIO by creating clients on the VIO servers.
• Experience with ITSM Change Management database for tracking statistical information
• Experienced in documenting the physical server position in Datacenter.
• Experienced in planning the space for new AIX and LINUX Servers in the Datacenter and updating the Excel Sheet with the LPAR configuration and physical location in the Datacenter.
• Experienced in the network upgrade project where we moved the Ethernet cables to run from ceiling rather than underneath the servers.
• Responsible for creating maintaining and managing LPARS, LPARS and VIO with HMC console
• Responsible for disaster recovery from TSM and net backup
• HACMP upgrade from v4.5 to 5.1 and then 5.1, 5.2, 5.3 to 5.5 configured HACMP cluster to keep applications running.
• AIX 5L v5.3 MPIO support for multi-path Fibre Channel storage subsystems, as well as AIX servers configured with multiple Fibre Channel (FC) Host Bus Adapters (HBA) on a Storage Area Network (SAN).
• Monitoring the system like performance CPU, memory and disk utilization using topas, sar, vmstat, netstat, svmon, etc
• LUN mapping - Requesting LUN for storage team and mapping LUN from VIO client to LPAR.

Confidential, San Francisco, CA

AIX 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 Confidential HMC,WSM, including LPAR configuration, NIM and CSM to install and manage the LPAR Good understanding in Advanced POWER Virtualization on Confidential 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
• Responsible for Installation, up gradation, Configuration Management, Maintenance and Systems Development of AIX Systems, using NIM.
• Responsible for the installation, setup, configuration, security administration and maintenance of all HP UX servers.
• Handle user account management on all HP UX servers.
• Responsible for the system patch installation and management of all HP UX servers.
• Disk mirroring and backup the data using BACKUP devices.
• Worked with DBAs on installation of RDBMS database, restoration and log generation
• Management of Health checking issues and actions
• System Administration and performance monitoring tasks on AIX servers.
• File system management using LVM
• User, Patch and Security Management, Problem Determination.
• Checking whether Scheduled backups are running or not.
• Disk replacement techniques-replacing rootvg mirrored disks.
• Restoring the files from one server to the Another Server Using Tar backup
• Server monitoring and their performance tuning.
• Identifying and analyzing CPU intensive programs; monitoring CPU, memory, disk usage and finding and fixing if any bottlenecks.
• AIX Operating System Migration - Have migrated from AIX 5.2 to AIX 5.3
• Working on LPAR using HMC (Hardware Management Console).
• Creating LPAR (Logical Partitions) and moving resources from one partition to other

Confidential, Corona CA

AIX administration

Responsibilities:

• Planned, sized, customized the new installations and installed the applications on AIX servers.
• Created LPAR’s Using HMC on the P5 and P6 hardware, executing troubleshooting, supporting and hardware replacement of the mid-range AIX Servers
• Installed, configured and supported the NIM Server and NIM Clients
• Planned and documented the process and the New Servers Builds in the environment
• Upgraded HMC and Firmware of the AIX servers
• Installed, administered and supported VIO Server and VIO client LPAR’s
• Experienced in creating a dual VIO server Setup with an Confidential HA Clusters
• Supported full life cycle of the project from build, configuration, development, testing and post-production support
• Ensured that all installations were Sarbanes Oxley compliant developing required scripts, passwords, user access and security
• Analyzed existing servers to ensure the same standards for the enterprise network
• Tested volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands and SMIT
• Tested the installation of Patches/APARs related to OS and proactive maintenance which involved suggesting upgrading the latest patch
• Performed testing day-to-day system administration tasks including server monitoring, back up, patch management and performance tuning
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of Confidential AIX and LINUX
• Exported file systems, working nest daemons and fixing any mounting issues.
• Support of Confidential RS6000 servers, AIX OS installation/Migration/Cloning, PTF installation and management.
• Server restoration using mksysb and savevg, using other backup commands such as backup, restore, tar etc.,
• File system - creation and managing, checking file system integrity, working with fsck, logical volume planning and configuration.
• File system house keeping activities such as log files house keeping, increasing file systems if there is any data growth.

Confidential, Phoenix, AZ

AIX administration

Responsibilities:

• Exported file systems, working nest daemons and fixing any mounting issues.
• Created LPAR’s Using HMC on the P5 and P6 hardware, executing troubleshooting, supporting and hardware replacement of the mid-range AIX Servers
• NFS/NIS management and supported the NIM Server and NIM Clients
• Upgraded HMC and Firmware of the AIX servers and UNIX servers.
• Installed, administered and supported VIO Server and VIO client LPAR’s
• Migrate OS from LINUX to AIX and from AIX 5.3 to AIX 6.1.
• Supported full life cycle of the project from build, configuration, development, testing and post-production support
• Ensured that all installations were Sarbanes Oxley compliant developing required scripts, passwords, user access and security
• Analyzed existing servers to ensure the same standards for the enterprise network
• Tested volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands and SMIT
• Tested the installation of Patches/APARs related to OS and proactive maintenance which involved suggesting upgrading the latest patch
• Performed testing day-to-day system administration tasks including server monitoring, back up, patch management and performance tuning
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of Confidential AIX and LINUX
• Server restoration using mksysb and savevg, using other backup commands such as backup, restore, tar etc.,
• File system - creation and managing, checking file system integrity, working with fsck, logical volume planning and configuration.
• File system house keeping activities such as log files house keeping, increasing file systems if there is any data growth.