EDUCATION: Bachelor in Software Engineering.

CERTIFICATIONS: IBMCertified - pSeries AIX System Administration

SUMMARY:

• Over 5+ years of specialized experience in AIX Administration.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX, Win NT/2000 Server, Linux (RedHat & SuSE) in a very large environment.
• Performed partitioning and configuring with HMC.
• Experienced in all aspects of AIX System Administration and support for all RS/6000 servers such as: OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance, etc. Most of these tasks are performed using native Korn Shell scripts.
• Experience in Installation and configuration of Flash copy and LAN.
• Supported Matrix for Aix and Hp.
• In depth knowledge in server buildups , cloning.
• Configured and migrated virtual machine from one host to other.
• Worked on Vmware virtualization platform.
• Managing and mounting file systems (using NEWFS, FORMAT, FSCK, MOUNT, VOLD) ufs. And Installing the Solaris operating system.
• Created Flash copy volumes.
• Good knowledge in IBM AIX hardware components (RS/6000, pSeries), trouble-shooting and maintenance of PC's
• Installation and configuration of VIO Server with AIX 5.3 on client LPAR's on 520 and 570 models
• Installation of web sphere on aix server.
• Installed Veritas Cluster Server on Solaris, with Oracle agent.
• Backup and restoration process in solaris.
• Experienced in implementing the workload Management (WLM) using cloning and clustering.
• Experience in monitoring the availability & performance of AIX Servers through tools like vmstat, netstat, vmstat and iostat.
• Experience in clinet/server based ERP solutions.
• Migrating AIX OS from 5.1 to 5.2, 5.3 on 520, 550, 610 ,RS/6000
• Expertise in migration from HACMP V4.4 to HACMP V4.5 and migrations of data center
• Experienced in Installation, configuration, maintenance and troubleshooting of HACMP 4.5 on AIX 5
• Well Versed in Installing, Configuring and Trouble-Shooting Application Servers like IBM Websphere 3.5/4.0/5.0, BEA Weblogic and Web Servers like IBM HTTP Web Server, iPlanet WebServer, Apache WebServer on, AIX and Windows 9X/200X.
• Extensive Experience in optimization of Enterprise Applications using WebSphere Application server 5.0/4.0/3.5, XML Config, Workload Management (WLM), WAS Resource analyzer, WebSphere Test Environment (WTE), IBM Visual Age for Java 4.0/3.5, EJB, JNDI, LDAP, JMS, Oracle 9i/8i/7.x, DB2 UDB on, AIX and Windows 2000.
• Configuration management including the building of LPARs and configuring the hardware devices that support them.
• Disaster Recovery Planning.
• Adept at Monitoring and altering file system usage, hardware and system process failures.
• Proficiency with configuration and maintenance of NFS, DNS, NIS/NIS+, DHCP, SMTP, and Networking with TCP/IP.
• Skilled at IBM-AIX kernel Tuning, Performance Analysis and Load Balancing.
• Everyday Network administration tasks - adding and removing users file and share permissions, trust management, replication management, server backups, and server setups.
• Performed user tasks including submitting and managing parallel, serial and interactive jobs.
• Proven ability to define System requirements, recommended solutions, analyze capacity and make appropriate modifications
• Excellent team worker and ability to quickly adopt and work under minimal supervision.

TECHNICAL PROFICIENCY:

Hardware : IBM RS/6000, pSeries 650, 630, 670, SUN Enterprise 450 Operating Systems: Windows 98/NT/XP/2000, AIX 4/ 5L, 5.1, 5.2, 5.3,6.1. Servers : IBM Websphere, Weblogic, Apache Web Server, Netscape Enterprise Server (3.6.3/iPlanet), IBM HTTP Server and Netscape LDAP server. Storage HW: :Hitachi Data System, EMC Clariion, EMC Symmetrix, HP Storage Works Storage SW: :Dynamic Path Manager, EMC ESN Manager, HP Secure Path, EMC Recover Point Databases :Oracle 9i/8i, IBM DB2, MS-SQL Server, MS-Access Languages :Java2, C, C++, SQL and PL\SQL Protocols :TCP/IP, HTTP/HTTPS, FTP, SMTP and SOAP. Others :HACMP 4.5, Veritas Volume Manager, LDAP, RAID, Site-Minder, IBM Edge Server, TSM

EXPERIENCE SUMMARY:

Confidential, Texas Apr'09-Sep'09 AIX Administrator

Role & Responsibilities:

• Provide onsite and remote support for AIX Server's.
• Provided 24x7 on call server support for UNIX environment including AIX, Linux, HP-UX, and Sun Solaris.
• Configured IBM p-series 550,570,590,595,690 machines, for production, staging and test environments.
• Worked on Support for Aix matrix sub system device drivers.
• Worked on Virtualization of different machines.
• Worked on Vmware bench marking tools and troubleshooting devices on multiple servers.
• Responsible for designing the loadable path control module for in the multi path configuration.
• Responsible for Auditing Server build's, to ensure security compliance, and SOX compliance.
• Worked on with the computing by both physical and virtual form the desk top to the data center using the SUSE Linux.
• Expertise in Build, Install, load and configured the boxes 550,520,560,570,590,595.
• GSD331 troubleshooting, find any incompliant servers are Remediate GSD331.
• Worked on with the team members to create , execute and implement the plans.
• Worked on with IBM P5,P6 hardwares .
• Installation and configuration of LPAR's with AIX 5.3, 6.1 on p5 servers.
• Experience in Installation, Configuration and Troubleshooting of Tivoli Storage Manager (TSM).
• Remediating failed backups, Take manual incremental backups of failing server's.
• Upgrading TSM from 5.1.x to 5.3.x.Worked on HMC Configuration and management of HMC Console which included up gradation, micro partitioning .
• Installation of adapter cards cables and configuring them.
• Provided net backup for different servers.
• Worked on Integrated Virtual Ethernet and building up of VIO servers.
• Install ssh Keys for Successful login of srmdata into the server without prompting password for daily backup of vital data such as processor utilization, disk utilization, etc.
• Installation and troubleshooting of IBM Director and Tivoli Endpoint.
• Hardware troubleshooting, Maintenance and replacement of failed hardware.
• Provide redundancy with HBA card, Ether channel configuration and network devices.
• Coordinating with application and database team for troubleshooting the application or Database outages.
• Coordinating with SAN team for allocation of LUN's in order to increase filesystem space.
• Configuration and administration of Fiber card Adapter's and handling AIX part of SAN.
• Configuration of VIO server and VIO clients from Hardware Management Console.
• Upgrading HMC version and Firmware.
• Administration of multiple AIX machines, AIX clusters, and SP nodes from any client platform through WebSM.
• Good LVM skills, used LVM, created VGs, LVs, and disk mirroring.
• Responsible for Installing Security fixes and APAR's in Servers.
• Installation and configuration of NIM master server and clients.
• Implemented PLM (Partition Load Manager) on AIX 5.3. and 6.1
• Installing OS on NIM clients using NIM Server.
• Upgrade vio from version 1.4 to version 2.1

Confidential, Washington, DC Oct' 07-Feb'09 AIX Administrator

Role & Responsibilities:

• Provided server and applications administration including IBM AIX P-Series and P5 systems.
• Installed open ERP client/server based on the client requirements.
• Performed automation,trouble shooting and monitoring of the client/server ERP solution.
• Installed and managed the system with HMC .
• Configured and instaleed the web based system manager using the HMC.
• Installed Vmware server 2 on the systems.
• Worked on Vmware bench marking tools and troubleshooting devices.
• Worked on running the virtual machines from one server to other.
• Migrated virtual machines between the servers.
• Filesystem management on various platforms.
• Created Copies of Logical volumes on different physical volumes in rootvg or as requested by the application team.
• Worked on the web services apache and J2EE servers.
• Created active and passive clusters in HACMP.
• Extended failover to backup resources at remote sites using optional PowerHA
• Preparation and execution of server patching and upgrade on more than 200 servers including HP-UX, AIX, Solaris and Red Hat Linux servers. Servers included AIX HACMP and HP-UX MC/ServiceGuard clusters.
• Installed and configured LAN and Flash copy.
• Performed server buildup , cloning of LINUX servers.
• Setup and configured vmware guests.
• Performed administrative tasks such as System Startup/shutdown, Backup strategy, Documentation, User Management, Security and Network management.
• Provided UNIX infrastructure, operations and support for IBM P-Series 650, 670,690 and P5 servers P570/590/595 running IBM AIX 5.X.6.1.
• Performed installation, periodic maintenance updates and apply APAR fixes.
• Configured IBM RS 6000,550,520,610 machines for production, staging and test environments.
• 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.
• Configured and administrated Lpar's.
• Configured and administrated VIO server and Lpar clients.
• Administration Taskes included User administration, Performance,Sendmail,weekly mksysb
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 (online).
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN's back.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Dealing with user id deletion with removing entries from CRONTAB.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Installed and configured AIX 4.3, 5.0, 5.1 on RS-6000's, creating the root volume group application/backup volume groups, logical volumes, and filesystems (JFS) 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.
• Designed and configured ethernet VLAN's with RS/6000 IBM Servers, Cisco Routers (2500/2600 series) and Cisco Switches (Catalyst 2912) utilizing RJ45 CAT5 cables for the internal LAN, and a T1 fiber uplink across a Cisco backbone for connection on the WAN.
• Configured Work Load Management (WLM) for IBM Websphere Application Server.
• The migration task from websphere application server 5.1to web sphere application server 6.x was taken up on stand alone systems .
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and recovering
• Installed and configured Sudo for users to access the root privileges.
• Installed application connectivity software to enable IBM print services. Configured and administered firewall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.

Confidential, MI Feb' 06- Sep'07 AIX Administrator

Role & Responsibilities:

• Responsible for Installation, Configuration, support and troubleshooting existing systems in AIX 4.3.3/4.5/5.1L operating environment
• Responsible for the operation, maintenance and integrity of a distributed, networked UNIX based environment.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers.
• Upgraded an AIX server, added another hard-drive to the AIX Server and used the logical volume manager (LVM) to create a volume group, which was then partitioned into logical volumes
• Implemented and managed resources in VIO server for client Lpar's.
• Implemented, installed and supported high availability (HA) cluster on IBM pSeries (p690) platform (HACMP for AIX).
• Expertise in setting up clinfo daemon to monitor the HACMP clusters using Clstat application. Responsible for testing a manual takeover configuration in a HACMP environment.
• System administration including user, system & group management, system updates, performance monitoring, backup/recovery, disk & storage management.
• IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
• Implemented Cloning, Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 4.0/5.0.
• Active involvement in monitoring server performance, network traffic to reduce performance bottleneck.
• Managing cron jobs, batch processing and job scheduling.
• Maintaining network inventory, data backup and documentation for all hardware & software
• Performed the SRDF migration of AIX.
• Added patches and upgraded firmware on AIX 5.1 and 5.2
• Did pre-migration checks and downloaded the requisite patches before actual SRDF migration and checked for primary and alt disk issues.

Environment: Managed servers including AIX 5L, Windows 2000, HACMP Clusters, IBM HTTP Server, Tomcat Server, DB2, Oracle8i, IBM WebSphere AppServer 5.1/4.0Veritas Volume Manager, Shell scripts.

Confidential, AR Jun' 04 - Jan' 06 AIX/System Administrator

Role & Responsibilities:

• Administration, Installation and maintenance of AIX.
• Experience in administration of enterprise applications with emphasis on IBM WebSphere Application Server 3.5/4.0/5.0, IBM HTTP Web Server Workload Management (WLM) in AIX, Sun Solaris, Linux and Windows NT/2000/XP environment.
• System & backup management using IBM ADSM Backup Server.
• Creating user profiles including groups and user accounts, assigning them passwords periodically and allotting them the required permissions. Changing the permission specifications as per requirements depending on User Administration duties
• Installation/administration of AIX, Linux and NT/2000 Servers on a LAN.
• Installation and Administration of TIVOLI Service Desk.Disk Replacement Strategy on AIX.
• Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
• Performance Management & Tuning of AIX/UNIX Kernel.
• Security, users, groups' administration and daily backup and restore operations.
• Package, build, integrate and deploy enterprise J2EE applications on WebSphere 3.5/4.0/5.0 that involves EAR, JAR, and WAR files.
• Networking service, performance, and resource monitoring
• Systems administrator providing support for production and development systems. Environment consisted of multiple IBM RS/6000's (SP, R-series) and X-Window terminals.
• Maintaining updated documentation of all the Servers and the installed applications and patches.

Environment: Managed more than 50 AIX, Solaris, Linux, Windows 2000 servers, Oracle 8, DB2, IBM HTTP Server, Apache Web Server, WebSphere Application Server 4.0 and UNIX Shell scripting.