Summary:

• Over 6 years of IT experience in setup, installation and administration of IBM WebSphere Application Server 5.x, 6.x, 7.x, 8.x, Apache Tomcat 4.x/5.x/6.x Base, Network Deployment.
• Proficient in Architecture, Installation, Setup and Configuration of IBM WebSphere Application Server 7.0/6.x/5.x/4.0, TOMCAT 4.x/5.x/6.x, IBM Http Server 1.3/2.x/6.x/7.0. Involved in configuring J2EE Enterprise Applications on heterogeneous platforms under multi-cell and multi-node environments.
• Experience in installing mod jk plugin for Tomcat, Expertise in setting up Database and MQ configurations in Tomcat.
• Expertise in Administering IBM WAS 5.x,6.x and 7.0, Network Deployment and Portal Server on various Operation Systems like SUN Solaris 2.8,solaris 9, AIX 5.1/5.2, RedHat Linux9.1, and Windows 2000/2003 Server.
• Installed and Configured WebSphere Extended Deployment manager XD VE 5.1/6.0.2/6.1.
• Created build definition file to generate customized installation package for WebSphere XD.
• Contributed to the evolution of the technologically advanced internal mortgage web application by adding capabilities and fixing bugs using Lombardi Teamworks, JavaScripts, Ajax, YUI, GWT, XMl, Java, Hibernate, and Oracle 10g in windows and Linux environments.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Configuration of Network Deployment for Centralized Management of Applications.
• Configuring of JDBC Providers, Data Sources, Virtual Hosts, Global Security, SSL, and LDAP.
• Expertise in Configuring IBM Workspace Web Content Management 6.0.
• Troubleshooting Production issues, Worked on resolving Application Server Hang issues and High memory and CPU issues in WebSphere Application Server 5.x, 6.x, 7.x.
• Tuned the JVMs by analyzing the Must Gather information for Application Server Hangs on AIX, Z-Linux, Linux and Solaris.
• Used Heap Analyzer and thread Analyzer to tune the WebSphere JVMs.
• Used Tivoli Performance Viewer and IT CAM to monitor the performance.
• Tuning the Prepared Statement Cache for WebSphere Application Server, this resulted in very large Application Server memory footprints and Out Of Memory errors or crashes of the Java process.
• Resolved deadlock issues in Dynamic cache when processing the batch operations for WebSphere Portal Server.
• Experience in configuring Cluster server groups for improved availability and fail over redundancy
• Experienced in Installing Fix Packs and Cumulative fix packs and Migrating to latest versions.
• Worked as a SiteMinder, LDAP and Webserver administrator for more than 3 years. Worked exclusively on the end-to-end implementation and maintenance of Single Sign ON.
• Experienced in Installing the security certificates and installing Siteminder for single sign on SSO
• Migrated existing applications from WebSphere 5.x to 6.0.x and from 6.x to 7.x on UNIX and Windows Platforms.
• Created Centralized Installation Manager CIM to install product components, apply various types of maintenance, and monitor submitted requests and to create additional installation packages.
• Creating management profiles for job managers setting up a job manager environment and Experience in working on job manager and its security, targets, resources.
• Synchronizing the clocks on all environment computers, and then registering the targets.
• Worked on Apache Ant 1.6.5 and Apache Ant 1.7.0 tool to build ear and jar files
• Experience in Installing, Configuring and Administering Web Servers like IBM HTTP Server1.3.x, 2.0.x.x, Sun One Web Server, Apache, IIS.
• Good at Performance monitoring using Resource Analyzer and Tivoli Performance Viewer.
• Working on various components of Websphere such as Workload Management WLM , Websphere Administration, Configuration, Tuning, Clustering and troubleshooting WebSphere related problems.
• Provided on-call Production Support 24x7 , monitoring and maintaining multiple Applications in Development, TEST, QA, Staging and Production Environments.

Technical Skills:

Professional Experience:

Confidential

Middleware Administrator

Responsibilities:

• Installed, configured and administered IBM WebSphere Application Server 6.x/7.x/8.x and IBM HTTP server 6.1/7.0 on AIX/Windows platform.
• Installed Websphere Application Server ND 7.0, refresh packs, fix packs, and interim fixes using Central Installation Manager.
• Installation and configuration of Tomcat 5.x,6.x and deployment of EJBs on Tomcat.
• Responsible for 24x7 production support of mission critical applications running on Websphere and Apache/Tomcat.
• Setup and configured SSL on Websphere and Apache/Tomcat servers.
• Installed and Configured Apache/Tomcat 5.x, 6.x according to application requirements.
• Configured Security realms on Websphere and Tomcat servers to enable LDAP authentication.
• Compiled Apache for CLED a legal app that runs webtop over TOMCAT 5.x and protected the site with SSO.
• Worked closely with the Application development/ QA team to resolve application issues deployed on Websphere and Apache/Tomcat servers.
• Managed the security and performance optimizations for EJB containers and Web applications in IBM WebSphere, IHS and Apache WebServer.
• Worked closely with developers to define and configure application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Enabled WebSphere global security using Local OS and LDAP/LTPA mechanisms.
• Tuned the JVMs by analyzing the must gather information for Application Server Hangs.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs.
• Created Self Signed and digital certifications using Ikeyman.
• Generated Propagated plugin-cfg for web servers and troubleshooted plug-in regeneration problems.
• Deployed enterprise applications from Admin console.
• Worked on troubleshooting applications using logs, traces, Log Analyzer and Tivoli Performance Viewer.
• Experienced in Installing the security certificates and installing Siteminder for single sign on SSO
• Configuring of JDBC Providers, Data Sources, Virtual Hosts, Global Security, SSL, and LDAP.
• Responsible for support and reliable maintenance of the applications on different platforms for on-going application development.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
• Created IBM PMRs and worked closely with IBM for resolving multiple issues.

Environment: IBM WebSphere application Server 6.0/6.1/7.0, Tomcat 5.x, 6.x, IBM HTTP Server 6.1/7.0, Apache Tomcat 6.0, ITCAM 6.1/7.0, LDAP, TCP/IP, Java, J2EE, JSP, Servlets, EJB, JDBC, JavaScript, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, Shell Scripting, Python Scripting.

Confidential

WebSphere Administrator

Responsibilities:

• Installed WebSphere Application Server 6.x/7.x XD and created dynamic clusters and configured ODRs. Applied iFixes on ODR.
• Installed and Configured Apache/Tomcat 5.0, 6.0, 7.0 according to application requirements
• Installed Integrated Apache web server with Tomcat application server using mod jk Modules. Have experience in compiling/installing php as module in Apache.
• Worked closely with the networking team to configure F5 load balancer to route requests to the Websphere and Apache/Tomcat server
• Provided technical assistance for Web Hosting team on various Application servers an Web Servers including IBM HTTP Server, Apache Web Server, and IIS Server.
• Configured Security realms on Websphere and Tomcat servers to enable LDAP authentication
• Installed WAS 6.1 base on Z-Linux, AIX, Windows 2000 platforms and upgraded to fix pack 1 cumulative fix level 8.
• Installed and configured IBM HTTP Server 6.1 and IIS 6.0. Worked on IBM WebSphere Lombardi Edition 7.1-7.2.
• Handled and resolved the issues in all areas of WebSphere v6.x and 7.0 including installation, applying patches, configuring SQL Server ,DB2, Portal, Security, EJBs, Servlets, application deployment, WSADMIN JMX scripting, work load management, clustering, plug-in, IHS, web servers and Migration.
• Wrote Jython scripts to administrate Websphere configuration.
• Worked on Web Incidents such as creating IBM Problem Management Records PMR to report WebSphere Application Server problems.
• Migrated to WAS 6.0 Network Deployment and Base on AIX 5.3/Windows platforms and installed fix packs 2 and cumulative fix 8.
• Installed and configured IBM HTTP Server 2.0.42.2. Using Deployment Manager implemented load balancing through clustering. Migrated all the applications and tested them successfully.
• Used Heap Analyzer and thread Analyzer to tune the WebSphere JVMs.
• Used Tivoli Performance Viewer and IT CAM to monitor the performance.
• Upgraded to JDK 1.3.1 SR6 / JDK 1.4.2 SR 7 or higher to resolve memory leaks.
• Designed the Single-Sign ON functionalities using SiteMinder
• Own SiteMinder / LDAP and Web Infrastructure related production issues, incident reports Streamline SiteMinder policy migration using SiteMinder Java SDK.
• Responsible for upgrading Policy server to SiteMinder 5.51 and later on to SiteMinder version 6.0
• Worked closely with developers to define and configured application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Worked on RAD to design, develop, assemble, test, profile and deploy high quality Java/J2ee, Portal, Web, Web services
• Implemented Horizontal and Vertical Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 6.1.
• Handled staging and production environments as part of the application deployment.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSCP/Wsadmin scripts.
• Used command line tools WSCP and XMLConfig occasionally as an alternative to the Admin Console.
• Configured JDBC providers, Data Source, Virtual Hosts, Global Security, LDAP and SSL
• Worked on Change Management tool Service Center to address specific business problems and evolve their IT service and asset management practices for reduced costs, improved productivity and service, and lower risk.
• Assembled and Deployed the application in staging, in productions, following change management practices and 24/7 support, worked in shifts.

Environment: IBM WebSphere Application Server 6.x/7.0, Tomcat 5.x, 4.x, IBM, IIS 5/6, DB2 7.x/8.x, IWWCM 6.0, z-linux, IBM HTTP Server 1.3.x/2.0.x/6.0, Netegrity SiteMinder Policy Server 5.5, 6.0, AIX 5.3, Solaris 2.8, Windows 2000, IBM Directory Server 5.1, HTML, Java Script, XML, JSP, Servlets, ANT.

Confidential

Web Administrator

Responsibilities:

• Installed WAS 6.1 base/ ND and created cell, dmgr and appserver profiles on AIX 5.2 and Red Hat Linux and z-Linux platforms.
• Installed and configured WebSphere 5.1 and applied the fix packs 5.1.1 and 5.1.1.1, jdk refresh 1.4.2.1 and DB2 V8.1 on several Lab Machines.
• Installed and Configured WebSphere Extended Deployment manager XD 5.1/6.0.2/6.1.
• Transferred cloudscape database to MS SQL Server database.
• Worked on WebSphere components such as Work Load Management WLM , Servlet Engine, Session Manager, Admin Client and Http-Web Admin tool thin client .
• Developed many WSadmin scripts and shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration.
• Used JACL scripting extensively for managing production environments
• Created, tested deployed J2EE applications on Websphere Application Server using WSAD tools.
• Administration of Working Application, Application performance monitoring - starting and stopping the application server, Installed plug-in for IBM HTTP Web server, co-ordinate with Database Admin Team to create databases for storing the Websphere application repository.
• Involved in deploying the EAR files and scripting automated deployment of the applications.
• Used IBM Edge Server and Network Dispatchers for load balancing.
• Configured the web server interfaces, session management, virtual hosts and transports for WebSphere.
• Configured Wily Introscope to all lower environments and also to the production environment.
• Occasionally used Resource Analyzer/ Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes.
• Perform advanced SiteMinder / LDAP and Web Infrastructure troubleshooting and interfaces directly with various IT teams to resolve technical issues in production environment
• Creating the users and groups in LDAP Servers and mapping them to the enterprise applications running on WebSphere Application Server.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling, and Java Mail sessions.
• Implemented creation of Server groups and clusters in Websphere Application server
• Configured horizontal scalability of WebSphere through a mechanism called as Cloning of multiple JVMs with independent Java Virtual Machines-JVMs, for each clone.
• Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer.

Environment: IBM WebSphere Application Server 5.x/6.x, IWWCM 6.0, DB2 7.x/8.x, IBM HTTP Server 1.3.x/2.0.x.x, AIX 5.2/5.3, z-Linux, Solaris 2.8, Siteminder6.x, Windows 2000, IBM Directory Server 5.1, HTML, Java Script, XML, JSP, Servlets, ANT.

Confidential

Websphere Administrator

Responsibilities:

• Installed, configured, upgraded and troubleshooted WebSphere Application Server v5.1 and WebSphere ND v6.0 in a federated multi-node environment and web servers Apache 1.3
• 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.
• Configured the extranet Web Servers and intranet application servers using the firewalls between the Web Servers and application servers DMZ model .
• Responsible for building Application Servers and Web Servers on Solaris and Linux.
• 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 opening and working on PMR's with IBM to solve various issue related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the logs and traces to IBM.
• Involved in migrating 100 applications from WAS 4.5.x to 5.1.
• Used WebSphere plug-in for load balancing across the cluster members and manually updated it for remote webservers in the DMZ.
• Enable global security for application servers and applications using Single Sign on SSO by LTPA mechanism on Secure Way LDAP User Registry.
• Written JACL Jython scripts for deploying J2EE EJB, JSP, HTML, and XML based applications.
• 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.
• Responsible for monitoring, troubleshooting and load balancing of several critical e-Business servers.
• Successfully tested and upgraded various third party softwares Ultraseek, Siteminder, Nessus, Opendeploy, Wily, etc., on several critical servers with zero impact to business on Solaris 8 and Redhat AS3.0.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the webserver logs.

Environment: Java2EE, WAS 5.1, IBM WebSphere Application Server ND 6.0, SunOne 6.1, Actuate, LDAP Server, IBM Blades centers, Redhat AS3.0,DB2 UDB, , Windows NT and Solaris 8.

Confidential

WebSphere Administrator

Responsibilities:

• Installed WebSphere 5.x and deployed applications in Linux and Windows environments.
• Deployed the applications in formats of WAR, JAR and EAR.
• Developed Jython scripts for deploying the applications on Application servers.
• Configuring, Installing and Administering of Websphere Application Server 5.x.
• Installed upgrades and fix packs to the runtime environment as required decreasing vulnerability to production environment
• Responsible to regularly take backup of all the Servers.
• Responsible for application changes across different platforms in development, testing and production environments.
• Configured Work Load Management WLM using clusters clones.
• Configured WebSphere resources including JDBC providers, JDBC data sources, connection pooling.
• Deployed Session and Entity EJB's in WebSphere.
• Involved in securing the J2EE applications by implementing Single Sign On by using LTPA.
• Experienced in Adding Fix packs and Cumulative Fix packs and migrate the versions of WebSphere application server 5.0 to 5.1.
• Responsible for analyzing the client request and resolving the issues by setting up conference calls in severity1 issues.

Environment: IBM WebSphere Application Server 5.x, IBM HTTP Server, LDAP Server, DB2 UDB, Oracle, Windows NT and Sun Solaris, Java, Java2EE, WSAD 5.0.