SUMMARY

• Over 6 years of IT experience in AIX and Administration.
• Experienced in installing, configuring, administrating, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX 4.3/5.1/5.2/5.3/6.1/7.1.
• Experience in IBM AIX hardware components (RS/6000, pSeries, system - p), trouble-shooting and maintenance of PC’s.
• Experience in Installing, Configuring and Trouble-Shooting Application Servers like IBM Websphere 6.1/7.0/8.0 BEA Weblogic and Web Servers like IBM HTTP Web Server.
• Configuration Management including the building of LPARs and configuring the hardware devices that support them.
• Experienced in installing and configuring.
• Adept at Monitoring and Altering file system usage, hardware and system process failures.
• Experience in Installation, configuration, maintenance and troubleshooting of PowerHA/HACMP on AIX 6.1/5.3/5.2.
• Experience in migration from HACMP V5.4 to PowerHA 6.1.
• Proficiency with configuration and maintenance of NFS, DNS, NIS/NIS+, DHCP, SMTP, and Networking with TCP/IP.
• Experienced with support 24/7 on AIX Administration.
• Everyday Network administration tasks - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups.
• Experience in installation, configuration, tuning, optimization, security, backup recovery and upgrades of IBM AIX.
• Performed user tasks including submitting and managing parallel, serial and interactive jobs.
• Performed HACMP to cluster multiple IBM RS/6000 nodes work to provide a highly available application.
• Proven ability to Define System requirements, recommended solutions, analyze capacity and make appropriate modifications.
• C/C++ Programming for System Optimization.
• Expertise in creating and maintaining and managing LPAR, DLPAR, VIO.

TECHNICAL SKILLS

Operating Systems: IBM AIX, Solaris, Linux, HP-UX, Windows03/00/NT4.0.

Hardware: IBM RS/6000, IBM Power 5, Power 6 and Power 7 (510, 550, 570, 590, 595, 740, 770).

Web Servers: IBM HTTP Server, Iplanet Web Server, Netscape Enterprise Server.

Languages / Databases / Networking: C and C++ (Optimization), VC++, Shell Programming, TCP/IP, DNS, LDAP, SSH, DHCP, LAN, WAN.

PROFESSIONAL EXPERIENCE

Confidential - Raleigh, NC

Sr. AIX Administrator

Responsibilities:

• Administration and Support and Maintenance of IBM Power hardware (Power5, Power6 and Power7) using HMC and ASMI. Building standalones/LPARs, Installation AIX 5.3/6.1.
• Relocating PCIs’ on virtual I/O, hardware error logs using HMC.
• Installation and building of NIM Setup from the scratch.
• Responsible for installation, configuration and maintenance of PowerHA/HACMP cluster.
• Responsible for creating LPAR/DLPAR/VIO.
• Analyzed problems on RPC (remote procedure call), security Fixed bugs using IPtrace tools, core dump analysis tools and memory leak tools, worked with DMZ firewall.
• Configured and Installed System Monitoring tools docitweb, OVO. BindView.
• Backup and Restore of mksysb Images on DVD and tape devices.
• Scheduled Backup of HMC on DVD’s and Restored HMC from its backup.
• Build and configured new HMC from Scratch. Updated HMC from version 7.3 to 7.7 and 7.7.4 and installed specific fixes.
• Installation and configuration of New Managed Systems making them whole single partition or with Different partitions.
• Day to day System Administration tasks recovering failed hardware and software problems. Monitoring the errors configuring syslogd daemons and working on led error on different boxes..
• Troubleshooting networking and hardware failure.
• HACMP upgrade from v5.4 to PowerHA 6.1 configured cluster to keep applications running.
• AIX 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 StorageArea Network (SAN).
• Setup System Accounting and Proactive Patching and Upgrades on DB, Web, TSM and Mail Servers using industries best practices.
• Extensively used Aix LVM, Backup Utilities and Printer Server.
• Logical Volume Management (LVM) administration of AIX.
• Performance Management & Tuning of AIX UNIX Kernel.
• Developed Shell scripts (Korn/Bourne) for automating the batch jobs.
• Extensively used LVM, created VGs, LVs, and disk mirroring.
• 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.

Environment: AIX, Solaris, LPAR, DLPAR, VIO, HACMP, Windows 2000,, SAN Copy, IBM HTTP Server, LDAP, Web Sphere.

Confidential - Raleigh, NC

Unix/AIX Administrator

Responsibilities:

• Responsible for installation and maintenance of AIX 4.x servers.
• Administrator of IBM RS/6000 servers running AIX 4.3.3 for support of PeopleSoft Financials and HRMS Environment on Oracle 7/8.
• Configured 3494 Tape Libraries on RS/6000’s, Reviewed Design and Documentation confirming to Data Requirements.
• System & backup management using IBM ADSM Backup Server.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Logical Volume Management (LVM) of AIX.
• Involved in developing various scripts to automate the day to day administration activities including C and C++ scripting languages, optimization and utilities.
• Performance Management, Optimization & Tuning of AIX UNIX Kernel.
• Managing cron jobs, batch processing and job scheduling.
• Performed daily maintenance operations on the RS/6000 servers such as adding users, regular check-up of filesystems and general system health, and problem analysis.
• Intensive Performance and Tuning utilizing both standard UNIX tools (iostat, vmstat, sar) and IBM AIX specific tools (netpmon, tprof, 3dmon, xmperf) for long term historical data gathering and application volumetrics.
• Networking service, performance, and resource monitoring.

Environment: Solaris, Windows 2000, Oracle 7.x, Visual Basic 5.0, Developer 2000, Apache, Mail Servers, Unix Shell Scripting.

Confidential - Durham, NC

Unix/AIX Administrator

Responsibilities:

• Worked as Systems in-charge for the servers running 24/7 in Production environment comprising IBM p4 and p5 servers.
• Installed and configured enterprise applications on IBM WebSphere Application Server 4.0/5.0, IBM HTTP Web Server in AIX, Sun Solaris, and Linux and Windows NT/2000 environment.
• Draft the plan for AIX migration and identify activities and role played by team members.
• Migrate Control Workstation, SP wide silver nodes from AIX 4.3.3 to AIX 5.1
• Gather performance statistics on the nodes and tune them to meet the requirements document modified configuration.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• System & backup management using MKSYSB.
• AIX systems administration and troubleshooting AIX 4.3, 5.1.
• Logical Volume Management (LVM) of AIX.
• Predefined and Customized Volume Group management on AIX.
• Performance Management & Tuning of AIX UNIX Kernel.Backup and Restore of mksysb Images on DVD and tape devices.
• Scheduled Backup of HMC on DVD’s and Restored HMC from its backup.
• Build and configured new HMC from Scratch. Updated HMC from version 5.1 to 5.2 and 6.1.2 and installed specific fixes.
• Day to day System Administration tasks recovering failed hardware and software problems. Monitoring the errors configuring syslogd daemons and working on led error on different boxes.
• Troubleshooting networking and hardware failure.
• GISHACMP upgrade from v4.5 to 5.1 and then 5.1 to 5.2 configured HACMP cluster to keep applications running.
• Storage subsystems, as well as AIX servers configured AIX 5L v5.2 MPIO support for multi-path Fibre Channel with multiple Fibre Channel (FC) Host Bus Adapters (HBA) on a StorageArea Network (SAN).
• Performance Management & Tuning of AIX/UNIX Kernel.
• In conjunction with the database administrator, established and managed user access, and designed and implemented user environments.
• Monitor error log(s), database and log space, user activity and resource utilization of production environment.
• Worked with application programmers to insure that application problems do not adversely affect production operations.
• Responsible for Monitoring system resources of database servers to assure production systems meet availability requirements and hardware enhancements are scheduled in a timely fashion.
• Provide after hours on-call support for critical database issues on a rotational basis.
• Provide expert assistance in setting up instances, table spaces, tables, indices and views and in conjunction with programmer/analysts, define new objects or modifications to existing objects.
• Responsible for writing, maintaining and documenting UNIX scripts needed in support of applications.
• Monitoring disk usage; plan acquisition and replacement of disk devices as needed.
• Updated documentation of all the Servers and the installed applications and patches.
• Exposure on C and C++ languages with exposure to STL (Standard Templates Library).

Environment: AIX, Solaris, Linux, LPAR, HACMP, Windows 2000, Oracle 8, DB2, IBM HTTP Server, IBM BladeCenter, LDAP, Web Sphere Application Server.

Confidential

UNIX/AIX Administrator

Responsibilities:

• Responsible for Installation and Maintenance of Solaris 8.0/AIX 5.2/4.3 servers.
• Upgrading/ Maintain of AIX Maintenance Level & Version.
• Responsible for all OS patching, hardware and software upgrades and new design concepts as well as all troubleshooting on all RS/6000, pseries.
• System & backup management using IBM ADSM Backup Server.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending Sytem Dump to AIX System Support Center.
• Responsible in writing C and C++ Script.
• Logical Volume Management (LVM) of AIX.
• Disk Management on AIX using SMIT.
• Planned, setup, and tested all Disaster recovery procedures.
• Expertise in installation and configuration of HACMP.
• Responsibility of troubleshooting as a secondary administration for HACMP.
• Disk Replacement Strategy on AIX.
• Set up, maintained, and performed troubleshooting of Internet connectivity including Domain Name Services (DNS) and frame relay WAN connections to the internet provider.
• Performance Management & Tuning of UNIX Kernel.
• Managing Cron jobs, at Jobs, batch processing and job scheduling.
• Networking service, performance, and resource monitoring.
• IBM AIX, Sun Solaris IBM HTTP Server, IBM DB2, Tivoli Storage manager.

Environment: IBM, AIX 5L, Windows 2000, HACMP Clusters, IBM HTTP Server, Logical Volume Manager, Shell scripting.