SUMMARY:

• Over 7 years of IT experience including 6 years of experience in administrating IBM WebSphere Application Server on multiplatform environments consisting Windows 2003/2008/NT and UNIX AIX5.3/6.1, Solaris10/9, Red Hat Linux 5/4, HP-UX .
• Expertise in installation, configuration, clustering and administration of WebSphere Application Server on various platforms.
• Well versed in installation, configuration, and maintenance of the IBM Web sphere Application Server, IBM Web Sphere MQ, Web sphere MB on Solaris, AIX, Windows 2008, LINUX platforms and setting up the development, testing and production environments.
• Experienced in configuring and managing secured environments using SSL and digital certificates.
• Expertise in the Administration, Installation and Configuration of Web Servers like Apache 2.0, Sun One 6.1, Web Server planet , Apache Tomcat 6.0, Microsoft IIS Server.
• Configured and administered JDBC Connection Pools, JMS Connection Factories, WebSphere queues and topics and implemented other services like JTA, JNDI, Virtual Hosting and SNMP.
• Good Knowledge in Creating Dynamic Clusters in WebSphere Extended Deployment XD for execution environment and long-running applications.
• Well versed in Shell Scripting and performance tuning of UNIX systems with proven skills in UNIX System Administration.
• Experience in configuration and day-to-day tasks associated with ensuring the smooth and efficient operation of Network Deployment WebSphere Application Server runtime environment.
• Expertise in deploying Enterprise Java Beans and J2EE Applications WAR, JAR, and EAR on Websphere ND v5.x/6.x/7.0/8.0 and Tomcat Application Servers.
• Solid experience in deploying the application on multiple Web sphere Servers and maintaining Load balancing, High availability and Failover capabilities.
• Applied various critical patches and fix packs to overcome problems with Application server and HTTP Servers.
• experience with JEE application servers
• Expertise in Tuning of Application Servers by Tivoli Performance Viewer like setting the dynamic cache size and setting the JVM heap size using collected Performance Monitoring Infrastructure PMI data.
• Well experienced in trouble shooting and Performance tuning using Resource analyzer and log analyzer.
• Implemented security and configuration of LDAP, Netscape Directory Server, and Siteminder single sign-on configurations.
• Extensive experience in creating and managing Websphere Environmental variables for Data Sources and JDBC Driver paths
• Extensive experience in providing 24/7 on-call support for applications running on IBM Websphere Application servers.
• Experience in Problem Solving, Backup and Recovery Procedures for WebSphere Application Server.

Technical Summary

PROFESSIONAL EXPERIENCE:

Role: websphere middleware

Confidential

Responsibilities:

• Responsible for creating and reviewing the implementation plans for mega events.
• Worked on implementing the changes on the new and existing environments.
• Co-ordinate with Application teams during the change implementation
• Performed Installation, upgrade, configuration, deployment and administration of Wesphere application servers and Apache Jboss Systems and applications.
• Installed and configured arguments of the servers for optimum throughput and tps.
• Extensively worked on securing the application at multi level through SSLl and SSO.
• Hands on experience with multi tier architure.
• Supported varios applications running on websphere application server in DEV,QA and prod
• Worked closely with architect and developers to detect the bottle neck while configuring the applications.
• Troubleshooting the issues with respect to configuration, deployment and resolving them.
• Involved in installation and deployment of Java enterprise applications connection to back-end resources For Network Deployment Design and implement scalable infrastructure solutions to support a growing emphasis on web based solutions.
• Involved in performance tuning through Wily Introscope.
• Configured the Application server software to each individual applications requirements Services Integration Bus JMS / services.
• Managed and maintain web-based environments for Network development activities to support various phases of the software development cycle. These phases would include Development, integration testing, load testing, user acceptance testing, and production. Installed and maintained multiple Apache, Tomcat server instances and managed WAS plug-in configurations
• Act as point of contact for making changes to the middleware components.
• Configured the required web server IIS, iPlanet, IHS with the Application server software
• Plug-in.
• Participated in discussions about capacity planning of environments with commerce servers.
• Participated and drive calls during the implementation change window.
• Maintained centralized location for storing all the documentation related to WebSphere Application server and commerce server.
• Attended various training sessions to familiarize with the Firm standards and process and documented it for best practice.
• Worked on 24/7 rotation.

Environment: WAS 6.x/7.x/8.0/IBM HTTP Server, ND7.X ANT, WTX, Tomcat, JMS, JDBC apache, IIS AIX, JBoss application server Solaris, Linux, Tivoli Performance Viewer, IBM Directory server, UNIX, LINUX and Windows.

Confidential

Role: WebSphere middleware

Responsibilities:

• Managing IBM WAS / AIX Unix servers in DEV, UAT/QA and Prod environments Worked with the development staff and application vendors to determine compatibility of upgrades and fixes and implementation plans.
• Installed and configured Websphere Application Server6.0/7.0 in a clustered environment SOA Architecture .
• Installing, Configuring, troubleshooting WebSphere Application server 6.0/7.0, and installation of fix packs.
• Install, configure and maintain Internet and Intranet Applications on WebSphere Application Server, HTTP Server on diverse UNIX flavors that includes AIX, Solaris, Linux and Windows Platforms NT/2000 in a multi clustered high availability environments.
• Managing IBM WAS / AIX Unix servers in DEV, UAT/QA and Prod environments.
• Managing Business Events performed using Java Message Service JMS message queuing.
• Responsible for the client relationships of several ongoing WebSphere Commerce engagements.
• Leading internal improvement programs in the WebSphere Commerce with regards to training, tools, and processes.
• Supporting, monitoring all Applications at Development, Testing and Production environments.
• Deploying application in WAS using admin Console and also through scripts.
• Configured web servers ports and virtual host based on network load balanced URL's.
• Installed and maintained multiple Apache, Tomcat server instances and managed WAS plug-in configurations.
• Upgraded Applications with various patch files JSP's, Class files, changing various properties and property files
• Troubleshooting various problems in different stages of development using log files and with coordination from Development teams.
• Fully automated the build process using ANT script and wsadmin jython .
• Monitoring WAS performance through Tivoli Performance Viewer and tuning the system - caching, queuing, JVM parameters, DB Connection Pooling.
• Wrote Shell and XML build scripts for various automations and reports, etc.
• Diagnosis and repair of the WebSphere Environment. Assisted developers with the diagnosis and repair of WebSphere Applications.
• Implemented industry leading Project Management practices to enhance the efficiency.
• Worked with a Team for Stress tests, Performance tests and identified the bottlenecks of the applications, and set up various monitoring alerts using Wily Introscope.
• Performance tuned the applications by implementing horizontal and vertical scaling.
• Configure SSL for Web Servers and LDAP Security for WebSphere using IBM Directory server.
• On-call Production Support 24x7 , monitoring and maintaining multiple Applications in Development and Test and Production Environments.

Environment: WAS 6.x/7.x, IBM HTTP Server, ANT, jython, websphere Commerce 6.0 Tivoli Performance Viewer, Wily Introscope, IBM Directory server, UNIX, LINUX and Windows.

Confidential

Role: WebSphere/Middleware Administrator

Responsibilities:

• Responsible for building and maintaining Development, QA, Staging and Production environment infrastructure
• Involved in Installation, Configuration and Maintenance of WebSphere Application server 6.x/7.x, in a Network Deployment Environment on UNIX platform - used Admin Console and wsadmin scripting
• Responsible for building Application Servers and Web Servers on Solaris and Linux.
• Installed, configured, upgraded and trouble shooted WebSphere Application Server v5.1 and WebSphere ND v5.1 in a federated multi-node environment and web servers SunOne 6.1 SP5 .
• Involved in migrating applications from WAS 4.5.x to 5.1.
• Involved in Deployment of J2EE Applications, Creating Clusters for Load Balancing and Failover, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
• Involved in applying fix packs and e-fixes to WebSphere Application Server on Solaris and Linux.
• Installed IBM HTTP Server on Solaris and Linux and configured it by changing httpd.conf for IHS, obj.conf and magnus.conf for SunOne and copying the plug-in for WAS.
• Installation and configuration of Apache 2.0. Web server with numerous third-party extensions, including SSL and PHP and Tuned the Apache Tomcat Server to avoid the failures when heavy load hits the sites.
• Used wsadmin.sh for Administration and Maintenance of the Applications.
• Troubleshooting various problems in different stages of development, QA, Staging and Production by analyzing log files.
• Profiled all the J2EE Applications and worked with Application Groups in improving performance of applications and possible memory leaks in applications before deploying in Production.
• Involved in Creating and Managing Nodes, Clusters and Application Servers.
• Responsible for monitoring, troubleshooting and load balancing of several critical e-Business servers.
• Provided Tier-3 hardware and software technical infrastructure support to all the servers in the primary and the satellite datacenters.
• Provided 24/7 system administration and support, ensured reliable operation of the PROD/SAT/DEV/QA environments comprised of Sun and Intel hardware primarily.

Environment: Java2EE, WASND 5.1, IBM WebSphere Application Server4.5/5.1, SunOne 6.1, windows98, Netscape iPlanet, Actuate, Tomcat, Apache, LDAP Server, Red hat AS3.0,DB2 UDB, , Windows NT and Solaris 8.

Role: WebSphere System Admin

Confidential

Responsibilities:

• Installed, configured and maintained IBM WebSphere Application Server 5.x/6.1, IBM Http Server 1.3/2.0, Apache 2.x on heterogeneous platforms AIX 5.3/Sun Solaris 8.5/Linux/Windows NT .
• Involved in migration from WAS 5.1.1 Network Deployment and Base to WAS 6.1 ND on AIX platform. Applied refresh packs, fix packs and cumulative fixes for WebSphere, IHS and plugins.
• Hands on experience in Migrating the existing configuration and applications of IBM WebSphere using WAS Pre Upgrade and WAS Post Upgrade tools on AIX.
• Applied Fix Packs for WebSphere Application Server 5.1/6.1 and hot fixes to various applications and multiple environments as per the change management system request to overcome the functionality and performance issues.
• Worked closely with developers in deploying ears and wars, configuring necessary database resources JDBC Providers, data sources , MQ resources Queue Managers, Queue destinations, Queue Connection Factories qcf's , Message driven bean listener ports .
• Responsible for changing and migrating source code of high profile applications and deployment on WebSphere Application Server.
• Troubleshoot problems on the various environments involving the integrations of WebSphere, IBM Http server, iPlanet Web Servers, TAM and LDAP.
• Configured GC parameters, monitoring the heap sizes by setting verbose GC, fine tuning and fixing memory issues.
• Configured global security on WebSphere using IBM Directory Server and secure the admin console.
• Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around and successfully resolved LDAP, SiteMinder, WAS, MQ, code, and data issues.
• Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using IKEYMAN.
• Installed Configured Apache web server v1.3/2.0.x on Sun E450 servers in Solaris environment and configured configuration file for virtual hosts for all sites.
• Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache web server.
• Provided solutions for clustering at Web Server and WebSphere areas. Worked on Horizontal and Vertical clustering methods providing fail over, effective load balance scenarios and efficient utilization of system resources.
• Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
• Lead role in performance testing and tuning the applications performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds.
• Problem determination using local error logs and by running user traces and service traces.
• Assisted in several thread dumps and heap dumps analysis using IBM Thread analyzer and IBM Heap Analyzer.

Environment: IBM WebSphere App Server 6.1/5.1, IBM Http Server 1.3/2.0, AIX, WSAD, RAD7, LDAP, Heap analyzer, Windows 2000, LDAP,EJB, JDK, J2EE, JNDI.

Confidential

Role: WebSphere Administration

Responsibilities:

• Installed, configured and maintained WebSphere Application Server 6.x on Linux.
• Involved in setting up a new QA environment by creating and managing the Nodes, Application Servers, and Clusters for Load Balancing and Fail Over.
• Did hot deployments without having to shutdown the application using Network Deployment Manager.
• Trouble shooting various problems in different stages of development, QA and production using logs files, JVM Count and JDBC Connections.
• Monitoring WebSphere Application Server performance through inbuilt monitoring tool.
• Performed WebSphere configuration, backup and restoration tasks by using backupConfig, restore Config commands etc .
• Managed multiple high-profile, complex projects and implement with minimal disruption to end users.
• Worked with Security team for possible security threats to WebSphere Platform and configured Web servers to their recommendations and also secured using AD integration..
• Responsible for applying patches and fixes to WebSphere 6.x to bring it up-to-date.
• Supported extensively in troubleshooting the issues and findings out root causes by analyzing core dumps in investigating and resolving system crashes.
• Provided after business hours system supports for the Production Systems Administrators on a rotation basis.
• Environment: WebSphere Application Server Network Deployment 6.0.2.17/6.1, iPlanet 6.1 Web Server, Windows 2000, IHS Web Server 6.0,6.1, Web Portal Server, Netegrity Siteminder 5.X, AIX.

Confidential

Role: WebSphere Administration

Responsibilities:

• Responsible for installation, configuration and administration of different versions of IBM Websphere Application server 3.5/4.0.x on Sun Solaris and windows 2000 servers.
• Installed and configured IBM Http Server 1.2.x with remote plugin
• Installed and upgraded the fix pack and migrated to latest version of IBM Websphere application server.
• Installed J2EE applications using IBM Websphere application server and wsadmin jython and jacl scripts.
• Working with developers to configure virtual hosts, plug-ins, JDBC drivers, data sources, JVM's and application deployments across multiple instances of WebSphere.
• Installed and configured application server 3.5/4.0.
• Involved in migration of applications from WebSphere 3.5.x to 40.x
• Handling 24/7 on call rotation for production issues, perform root cause analysis.
• Working with IBM in opening a PMR for inconclusive root causes, and coordinating the proposed changes with the respective teams.
• Writing scripts to automate application deployments in wscp and configuring crontab entries.
• Performed Backup Recovery for WebSphere.
• Configured Session Persistence using different RDBMS Databases.

Environment: IBM Websphere Application server 3.5/4.0,IBM HTTP Server 1.2.x, Site Minder QMR5/6/7, DB2 UDB 5.1, Oracle, Sybase, SQL Server, SUN Solaris, Windows 2000 and Work Flow Management Tools.

Confidential

Role: WebSphere Administration

Responsibilities:

Installed, configured and maintained Internet, Intranet Application Servers like WebSphere on diverse UNIX platforms that include Solaris, AIX and Linux and Windows Platforms NT/2000 in a multi clustered high availability environments.

• Package, build, integrate and deploy enterprise J2EE application on WebSphere 3.5/4.0/5.0 that involves EAR Enterprise Archives and WAR Web Archives .
• Automate application install, uninstall and application enhancements through Shell scripts and WSCP scripts.
• Managed the security and performance optimizations for EJB containers and web application in IBM WebSphere, iPlanet Enterprise Server and Apache web server.
• Responsible for test planning, development of test cases, test data development, test execution and documentation of test results.

Environment: IBM WebSphere Application Server 4.0.x/5.0, IBM HTTP Server, Java, JSP, Servlets, Sun Solaris 8/7.x and Windows NT/2000, Test Planning.