SUMMARY:

• Qualified UNIX administrator offering 6 plus years of experience working with IBM AIX Operating Systems
• Attend project kick-off meetings, understand customer requirements, provide the technical expertise and architectural guidance.
• Building the Team Room Database by writing the process and technical documents.
• Training new team members on process flow and giving knowledge transfer on account specific applications.
• Attend account specific meetings to review the status of current and feature projects.
• Attend meetings to discuss Weekly Failed Changes and review on High Risk Changes.
• Advisory on work assignment with level skilled team member and review whether the documentation in change management application is properly updated.
• Handling escalations from account teams such as Customer Relationship Manager, Service Delivery Manager, and Customer.
• Writing the Root Cause Analysis if there was any outage that occurred due to an issue caused by the servers supported by the Team.
• Analyzing the problems and resolving the issues with zero or minimum down-time.
• Identifying, researching, and recommending the improvements to the existing processes based on best practices with repeatable standard configurations.
• Working Long hours, off hours, weekends and over time to meet project goals, IBM Service Level Agreement and share the work load.
• Rotating on-call pager duty with Other Team members.
• Maintaining 24x7 availability over phone if other Team Members has high severity issues to aid them in resolving the issue.

TECHNICAL SKILLS:

LANGUAGES : C, C , java, servlets, jsp, ejb, vb, javascript, html, perl and shell programming.

OS : ibm aix 5.0 , linux redhat, suse , windows 2000/nt4.0 windows 2003, sun solaris, mac8.1/9/10 and os2.

IDE : visualage3.5/4.0, websphere application studio4. jbuilder, code warrior, clearcase,clearquest and rationalrose.

WEB TECHNOLOGIES : html, dhtml, xml, java script, jsp, servlets, ejb.

APPLICATION SERVERS : websphere application server 3.5/4.0, netscape/iplanet server, mqseries, weblogic server, ibm http server.

NETWORKING : tcp/ip, nis, nfs, dns, dhcp, cisco routers/switches, lan.

RDBMS : ibm udb2, oracle 7.x/8.0/9i, ms-sql server 7.0/6.5 and ms-access 97/95.

OTHER SKILLS : hacmp, samba, tivoli tsm , veritas netbackup, veritas volume manager.

WORK EXPERIENCE:

Confidential

Role : AIX/Unix Administrator

Responsibilities:

• Involved in the project in Life Cycle Management activities for AIX 5.3, 6.1, 7.1 OS Migrations, TL upgrades, ISEC Security Patches.
• Maintain the NIM server to update the repository with latest Aix TL and OS versions.
• Worked on IBM power systems p5 p6 p7 frames , configuration and maintenance
• Responsible for deploying Emdeon Application on Aix server in Test Development and environment.
• Successfully deployed the latest Virtual technologies in the environment including VSWITCH, VFCHOST, NPIV, SEA, VlAN Tagging, VHOST and VSCSI to make full usage of the virtual technologies from VIO servers on Power7 servers.
• Configured Ether channel and link aggregation modes, configured Shared Ethernet Adapter successfully tested failover modes on VIO servers.
• Worked steady state incident tickets including Sev1, Sev2and Sev3 troubleshoot and keep the servers for Hospitals and Pharmacy applications available and meet the SLA.
• Worked with storage team to configure adapter settings on VIO servers mapped and troubleshoot issue in NPIV SAN environment.
• Adding Memory and CPU to lpars using DLPAR
• Executing perl scripts for automation of work.
• Worked on TCPIP assignment on the server , Assigned IP on the adapter , Assigned default gateway , netmask on aix servers
• Created volume group filesystem logical volume, mirroring
• Created two filesystems
• Created system backups using mksysb
• Configured NFS for file sharing between AIX servers
• Start and stopping services on AIX servers as needed
• Performed AIX migration from version from 5.3 to 6.1 using NIM

Confidential

Role : AIX/UNIX Administrator

Responsibilities:

• Worked as AIX/Linux Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Provided UNIX infrastructure, operations and support for IBM RS/6000 p770,p750,p650, p670, p690 IBM Blade HS20, JS20 servers running AIX.
• Responsible for creating LPAR, DLPAR and micro partitioning and creating new partitions, assigning resources between LPAR using Websm tool.
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Responsible for performance tuning of AIX systems, applying upgrades to AIX current version 5.2 to upgrade 5.3 .
• Installed, configured, and managed IBM WebSphere Application Server v 6.1/6.0/v 5.0 with IBM HTTP Server and Process Server on AIX and Windows.
• Configured volume groups and logical volumes, extended logical volumes for file system growth need using Logical Volume Manager LVM commands.
• Setup and maintained NFS, NIS network, configured DNS and LDAP Server.
• Configured backup/archive policies using Tivoli Storage Manager Backup utility to meet data archiving requirements and disaster recovery readiness.
• Setup and configured Network TCP/IP on AIX and LINUX servers including RPC connectivity for NFS. Created mount points for Server directories and mounted directories on the servers.
• TCP/IP configuration like assigning IP addresses, configuring network interfaces, assigning static routes, hostnames etc.
• Responsible for event processing, change management, and problem determination in HACMP environment.
• Developed Perl and Korn shell scripts for admin tasks like customizing user environment, performance monitoring, platform independent wrapper scripts, pushing changes through cron, security management, etc.
• Worked in the project of configuring NIS Servers Master and Slave and NIS clients and maintained system and custom configuration files in NIS maps.
• Worked on applying RMP packages and Yum updates for linux servers
• Installed Samba server Clients
• Evaluating security controls on new and existing UNIX servers Sun Solaris, HP-UX AIX to access compliance to policies and standards and practices for the industries.
• Maintained availability and increased capacity and performance of production machines by upgrading their hardware Disks, CPU, memory, I/O board, power cooling unit, mother board etc firmware.
• Systems administrator providing support for production and development systems. Environment consisted of multiple IBM RS/6000's and X-Window terminals.
• Performed HACMP failover testing and fix failover and performance tuning issues on production servers to keep servers available.
• Worked on Large Enterprise applications including, MQ, WebSphere.
• Provide administrations and maintenance support to multiple IBM machines p5-520, p5-550, p5-570, p5-595, p7 750s and 770s running AIX 5.3/6.1/7.1.
• Responsible for the operation, maintenance, and integrity of a distributed networked AIX based environment.

Confidential

Role : AIX/UNIX Administrator

• Created and configured dynamic VIO servers 1.3, 1.5 and VIO 2.1, 2.2.
• Configuration management including the building of LPARs using HMC version 3.1, 6.1, 7.1,7.3 and configuring the hardware devices that support them.
• Package, build, integrate, and deploy enterprise J2EE applications on WebSphere 3.5/4.0/5.0 that involves EAR, JAR, and WAR files.
• Successfully upgrade DB2 versions and patch levels on Aix servers.
• Successfully installed, upgraded vender software including Powerpath, Tivoli endpoint Monitoring, TSM Client, Tivoli Workload Scheduler on Aix severs.
• Applying software maintenance program fixes and keeping the system software releases current.
• Installation/Administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
• Configured mutual takeover, and rotating modes of operation of the HACMP and HACMP/ES products.
• Configured HACMP 6.1 to monitor, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
• Experience in setting up clusters and creating repository queue managers for load balancing.
• Responsible for configuring User Authentication for the AIX systems using LDAP.
• Experience in analyzing logs, problem determination, and Recovery and restart.
• Worked closely with DBAs to install raid, disk areas for Oracle database instance installations, created Bourne shell database startup and shutdown scripts for UNIX servers. Wrote shell scripts for automated installations, to extract logs.
• Working on Solaris servers to monitor memory and cpu usages
• Developed Perl and Korn shell scripts for admin tasks like customizing user environment, performance monitoring, platform independent wrapper scripts, pushing changes through cron, security management, etc.