SUMMARY

• Over 8+ years of strong experience in the installation, configuration and migration of IBM WebSphere Application Server 6.x/7.x/8.x, WebSphere MQ, JBoss EAP 5/6, IBM HTTP Server, Apache, IIS with strong knowledge of operating systems including Windows, AIX, Linux, and Solaris.
• Experience in transforming the traditional Development and Operations to a DevOps culture and implemented CI/CD process through Jenkins, Shell, Jython and Chef.
• Extensive, specialized and detailed knowledge of Administration and Production Support in Application Server for various platforms including issues related to Migration, Packaging and Deployment of applications, Performance Tuning, Security management, Troubleshooting, and Work load Management.
• Installed and maintained IBM WebSphere Application Server on different Windows, UNIX platforms (AIX, Linux and Solaris) and deployed enterprise applications; also handled administration of resources associated with the deployed application in all environments which included development, integration, testing and Production environments.
• Migrated enterprise applications from WebSphere Application Server to JBoss EAP.
• Experience in configuring mod jk/mod proxy/mod cluster on Apache HTTP Server to connect to Tomcat container and JBoss EAP 6.
• Hands - on experience in compiling Apache HTTP Server from source with openSSL for various customizations requested by application and security teams.
• Experience in Integrating IBM HTTP Server, Apache HTTP Server, Microsoft Active Directory, DB2/UDB/LUW and Oracle with IBM WebSphere Application Server on AIX, Linux, Solaris and Windows platforms.
• Extensive Experience in optimization of JEE Applications deployed on WebSphere Application server, JBoss, Tomcat
• Automated most of the Middleware administrative tasks like application deployment, resource configuration and log rotation using SHELL, WSADMIN, Jython, jboss-cli.
• Experience setting up WebSphere Global Security with Federated Repositories using Microsoft Active Directory.
• Experience in system administration on Linux (Redhat, CentOS), Windows Server 2012/2008 and VMWare ESXi.
• Extensive experience with MQSeries Clustering, MQClient/MQServer setup and Administration.
• Experience in creating and configuring MQ Objects like Queue Managers, Remote queues, Local Queues, Queue Aliases, Channels, Clusters, Transmission Queues, Performance Events, Triggers, Processes, MQ error trapping applications and performance tuning/monitoring.
• Monitored all MQ Objects using MQ supplied utilities and various support packs.
• Converted an existing network of Queue Managers into a Clustering environment for load-balancing using MQ Clustering and High availability using Hardware clustering
• Installed and Configured IBM HTTP Server for WAS, Internet Information Services (IIS) 5.0/6.0, Lotus® Domino® Enterprise Server 6.5.4 or 7.0, Sun Java™ System Web Server 6.1.
• Well experienced in all stages of implementing the workload Management (WLM) using cloning and clustering.
• Applied Fixpacks / eFixes / Refreshpacks / cumulative fixpacks for WAS using IBM Installation Manager.
• Good working experience with Secured Socket Layer (SSL), creating self-signed certificates, generating certificate requests, Import/Export certificates and creating key databases.
• Highly skilled in updating plugin and config file for troubleshooting and improving performance.
• Hands on experience using IBM Support Assistant for problem determination, troubleshooting and resolution PMRs, running and submitting, gathering scripts and log info, tuning, trace, verbose-gc, taking thread and heapdumps.
• Highly experienced integrating WAS-ND and related software including WMQ, SunONE Web Server, IBM IHS, IBM TAM, IIS, iPlanet, Netegrity SiteMinder, LDAP, IDS, JProbe and Wily Introscope.
• Good hands on experience in using clearcase tools and Well experienced in writing shell scripts in bourne and korn shells, wrote JACL, Python, Jython scritps to automate most of the WebSphere administrative tasks via the wsadmin.
• Extensive use of Tivoli Performance Viewer for Performance Monitoring Infrastructure (PMI) data and setting the JVM heap size and cache size.
• Worked in day & night shifts and provided on-call support for Production Support and Maintenance team in very high availability environment.

TECHNICAL SKILLS

Application Servers: IBM WebSphere Application Server 5.x/6.x/7.x/8.x, WebSphere Virtual Enterprise 6.1/7.0, WebSphere Portal Server 5.1/6.0/6.1, Tomcat Application Server

Databases: ORACLE 12c/11g/10g/9i/8i, DB2/UDB 7.2/8.0, SQL Server, MS-Access

Languages and Scripts: Java, J2EE, C++, C, SQL/PL SQL, HTML, DHTML, XML, CSS, JACL, Jython, ANT,, WSCP, wsadmin, Shell scripting, Perl, JavaScript

Web Servers: IIS 4.0/5.0/6.0, IBM HTTP Server, Apache HTTP Server, Sun One/ iPlanet Web Server

Operating Systems: UNIX, Linux, OS/390, AS/400, HP-UX (including Service Guard), Solaris (Including Veritas), IBM AIX (V4.3.3 and 5L V5.1, HACMP)

Network /Protocol: TCP/IP, HTTP/HTTPS, SSH, Telnet, FTP, RMI/IIOP and WAP (WTP/WSP)

Tools: Tivoli Storage Manager, Clear Case (Version Control Software), SSO (Single Sign On), SSH

PROFESSIONAL EXPERIENCE

Confidential, Cincinnati, OH

Senior Middleware Engineer

Responsibilities:

• Lead engineer for Production Support for all technical support relating to WebSphere Application Server 8.5/7.x versions on Linux and AIX environments. Production support for all issues relating to WebSphere MQ and DataPower.
• Lead Engineer for Middleware Support team supporting applications running on WebSphere Application Servers versions 8.5, 7.x, 6.x, JBoss EAP 6.4 and Tomcat 6/7.
• Migrated WebSphere Application Server from 7.x to 8.5.5.x and few applications from WebSphere application server to Jboss EAP 6.
• Lead Middleware and Production Support Engineer for Confidential Disaster Recovery exercise for year 2014 and 2015 that lasted for one week. Provided support on all the applications running on WebSphere, Datapower and MQ.
• Providing On call support 24*7 for any production and maintenance activities off Business hours and weekends.
• Responsible for any changes, deployments and incidents persisting to existing production servers.
• Responsible for getting all the production and non-production servers patched bi-weekly for any vulnerabilities.
• Installed and configured Jenkins. Created jobs for build and deploy through a CI/CD pipeline.
• Developed Chef Cookbooks for various Apache HTTPD, Jboss and Tomcat deployments.
• Installed and configured JBoss EAP 6 in both domain and standalone modes.
• Lead and applied patches from Red Hat security updates based on mitre CVE db.
• Implemented horizontal clustering of HTTP Server using F5 Load Balancer and clustering of application servers using HTTP Servers with WebSphere plugin, mod jk and mod cluster.
• Configured mod cluster for JBoss EAP 6 and configured JGroups for enabling TCP based communication between cluster members.
• Configured Queue Connections Factories, Queue Definitions, and Listener Ports in order to provide connectivity to Enterprise MQ infrastructure.
• Compiled Apache HTTP Server from source with openSSL, worker and disabled directory indexing on RHEL.
• Configured IP based and named based Virtual Hosts for collocating multiple sites for lower environments and writing rewrite rules using mod rewrite in Apache HTTP Server 2.x
• Configured resources like JDBC Data Sources, JDBC Providers and Connection Pooling to connect to the DB2, Oracle and SQL.
• Used ikeyman/gskcmd to create .kdb and .sth certificates for IHS servers and keytool for JBoss and tomcat.
• Configured siteminder agents for enabling Single sign-on and authentication of enterprise applications.
• Analyzed System logs, heap and core dumps to perform RCA of various issues like Out of Memory, Thread Hung, Connection timeout, SSL HANDSHAKE ERROR, etc.
• Worked with IBM extensively opening PMR’s as required and resolved issues for all the production servers.
• Created new IHS instances to existing servers for new functionalities.
• Responsible for openings change tasks and requests for changes and modifications to new and existing production servers.
• Responsible for making sure all the file systems are well within the threshold to avoid any outage.
• Responsible for creating filesystem, port monitors, URL monitor alerts for warnings and errors in Sitescope monitoring tool.
• Responsible for automation of stopping/starting servers for a project with BigFix patching to reduce involvement from the middleware team.
• Created scripts for stopping the servers once the servers are ready to patch and start them once the patching of servers is completed.
• Worked hand in hand with DevOps, Non Production Middleware and application teams in obtaining valuable information for making changes in existing infrastructure, automation and hot deploys.
• Responsible for making sure the documentation is in place for making changes to production environment to avoid unanswerable questions put forth by the IT audit team.
• Worked on two weekends every month for CHANGES and INCIDENTS on applications which have platinum customer impact.

Environment: IBM WebSphere Application Server 7.0/8.5.5, WebSphere MQ, Data Power, RedHat JBoss EAP 6, Apache HTTP Server, IBM DB2, AIX, Linux, IHS, Tivoli Performance Viewer, Sitescope Monitoring, CA Siteminder 12.x

Confidential, Folsom, CA

WebSphere Administrator

Responsibilities:

• Installation, Configuration and Administration of IBM Websphere Application Server 8.5/8.0/7.x versions on Windows Environments and Linux Environments with WebSphere MQ Series
• Migration from WebSphere Application Server 8.0 to WebSphere Application Server 8.5.
• Developed web applications using Rational Application Developer (RAD) 8.0/8.5 and deployed it in WebSphere Application Server 8.5.
• Experience in working with different IDE tools Eclipse, My Eclipse,RADand Jbuilder
• Leveraged BMC Marimba, Blade Logic, IPSwitch, WhatsUp, and NetIQ for Application monitoring and alerting.
• Used WebSphere Admin Console and wsadmin - Jython scripting to install and update enterprise EAR.
• Wrote Jython scripting for start/stop clusters, servers and for auto deployments.
• Installed, configured and propagated IBM HTTP server and its Plugins for managed and unmanaged nodes
• Maintaining updated documentation of all the Servers and the installed applications and patches.
• Monitoring Application log files, Application Server Performance.
• Involved in configuring the Web Directory access protocols like LDAP for different levels of access at the site
• Configured a virtual host for Development and Test environments.
• Creating profiles for deployment manager and node agents. Configured databases separate from the Websphere administrative repository database
• Experience in creating and configuring MQ Objects like Queue Managers, Remote queues, Local Queues, Queue Aliases, Channels, Clusters, Transmission Queues, Performance Events, Triggers, Processes, MQ error trapping applications and performance tuning/monitoring.
• Monitored all MQ Objects using MQ supplied utilities and various support packs.
• Converted an existing network of Queue Managers into a Clustering environment for load-balancing using MQ Clustering and High availability using Hardware clustering.
• Involved in developing backup and recovery procedures.
• Experience in applying CSDs, Hypers, hot fixes, PTFs. Upgrading MQ versions by manual process or automated processes using scripts.
• Defining channels using SSL certificates. Designed MQ applications supporting application level security and delivering MQ infrastructural solutions using link level security.
• Using Websphere Advanced Administrative Console configured JDBC driver and data source.
• Workload management using Websphere Modeling and Clustering on Application Servers.
• Diagnosis and repair of the Websphere Environment.
• Responsible for scheduling the installations and upgradation, and maintains them in accordance with established policies and procedures
• Created scripts for Automatic deployment of new WAR files in to the Environment
• Configured Virtual hosts and associated them with web modules.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling.
• Tuning the JVM based on performance testing /monitored the results on Wily.
• Written ANT scripts to build .JAR, .WAR and .EAR files.
• Investigated, troubleshoot and resolved application and configuration issues.
• 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 class path issues by checking the JVM logs, plug-in logs and the web server logs.
• Wrote UNIX Shell scripts to monitor installed enterprise applications and to get information from the logs and database in the required format and other daily activities and jobs.
• Used WebSphere Admin Console and wsadmin/JACL/Jython scripting to install enterprise EAR, WAR files or for hot deployment.
• Created new groups and added users to those groups in LDAP for different environments.
• Provided different levels of access to different users in the Admin console as per the request.
• Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system - caching, queuing, JVM parameters, DB Connection Pooling
• Experience in using Log Analyzer and Thread Analyzer tools to analyze service logs and java core files.
• Performed Application-data backup & recovery, local backup/restoration of the WebSphere Environment - configurations and applications
• Performed daily housekeeping functions, such as establishing new accounts, creating and resetting passwords, developing scripts, performing system backups and recovery, and installing software patches and updates.
• Involved in opening and working on PMR’s with IBM to solve various issue related to the environment.
• Developed Cron jobs and Shell Scripts (Jython, Perl, ksh) for automating administration tasks like file system management, process management, backup and restore.
• Extensive hands on WebSphere Administration using command line tools like wsadmin, dump Namespace (for JNDI)
• On-call Production Support (24x7)

Environment: IBM WebSphere Application Server 5.x/6.x/7.x/8.x, IBM DB2, AIX 5.1/5.2, Linux, Solaris, Sun ONE Directory Server 5.1, IHS WebServer 2.0/2.1/6.1, Tivoli Performance Viewer, Wily Introscope 7.x, Oracle 10g, Sybase, DB2.

Confidential, San Diego, CA

WebSphere Administrator

Responsibilities:

• Expertise in installation, configuring and monitoring WebSphere Application Server v6.1/7.0.
• Installing IBM HTTP Servers and integrated with WAS for load-balancing and fail-over using generated plug-in.
• Installation and configuration of IBM WebSphere VE 6.1 and 7 to utilize LDAP, DB2 as user registries. Deployed Applications (WAR, JAR, and EAR) in Domain and Clustered environment.
• Implemented horizontal, vertical & multiple clustering of application servers for achieving work load management (WLM), HA Manager, Scalability and avoiding single point failure.
• Good Knowledge of Edge Components Failover (Active/Standby), HTTP Server Failover (Active/Active), Web Container Failover, EJB Container failover, Session Affinity, Session Persistence.
• Enabled Security features using LDAP user registry for authentication and authorization privileges for Admin console.
• Expertise in enabling SSL Certificates at the IHS and Application Server using Ikeyman tool and gsk7cmd.
• Configuring Class Loaders and Shared libraries depending on the application.
• Generating Heap Dump and Thread Dumps during Out of Memory Exception. Analyzing the generated Dumps using IBM tools like Heap Analyzer, Thread Analyzer.
• Expertise in using Willy Introscope to monitor the Environment.
• Administration of service integration buses, servers, and to balance workload through clustering and high availability configurations
• Configured the adapter for Event processing that can be synchronous or asynchronous, and listeners within the adapter to provide support for SOAP over HTTP, HTTPS, and JMS transports.
• Involved in writing UNIX Shell scripts, JACL and Jython to automate the maintenance process of the WebSphere and recovered the backed up Web Sphere configuration using wsadmin, backupConfig and restoreConfig.
• Extensive experience with MQSeries Clustering, MQClient/MQServer setup and Administration.
• Enabling the MDB Listener Ports to the Applications.
• Troubleshooting Application & JVM errors and configured tuned JVM for optimum performance.
• Provided Netegrity Siteminder and Identity Minder Identity Management solutions for the client Option.
• Configured WebSphere resources including JDBC providers, JDBC data sources and Connection Pools.
• Installed Fixpacks, eFixes, and cumulative fixes to the existing infrastructure and new environment.
• Migrating applications from WebSphere Application v6.1 ND to WebSphere Application Server v7.0 ND.
• 24/7 on call production support and troubleshooting problems related to WebSphere Application Server.

Environment: IBM WebSphere Application Server ND 6.1/7.0, WebSphere VE 6.1/7.0, Solaris 8/9, AIX 5.3, Red hat Enterprise Linux 4, Site minder, WCM, Apache WebServer v2.0, IBM HTTP SERVER v6.1, Wily Introscope, Oracle 9i/10g, DB2, Java/J2SE 1.4, J2EE 1.3, IBM Directory Server, BMC Application Release Automation Tool, BMC Bladelogic, IBM Rational ClearCase.

Confidential, San Jose, CA

WebSphere Administrator

Responsibilities:

• Involved in providing support to wide variety of applications in a diverse setup which includes WebSphere Application Server ND/XD v6.1/7.0 and WebSphere Portal Server 6.0/6.1 on AIX 5L 5.3 and Red Hat Enterprise Linux 4.
• Installation and configuration of IBM WebSphere Portal Server 6.0 and 6.1 to utilize LDAP, DB2 as user registries and portal data storages.
• Deployed Applications (WAR, JAR, and EAR) in Domain and Clustered environment.
• Involved in monitoring the JVM performance by Web Sphere Heap Size, garbage collection and JDBC Pools.
• Troubleshooting Application & JVM errors and configured tuned JVM for optimum performance.
• Intensively involved in IBM WebSphere Application Server troubleshooting scenarios like Out of memory, using IBM tools like Heap Analyzer, Thread Analyzer.
• Involved in setting up JVM tuning parameters after extensive R&D on trial & hit basis specifically parameters to enable inter core-group communication (for affective WLM) such as garbage collection.
• Installed Fixpacks, eFixes, and cumulative fixes to the existing infrastructure and new environment.
• Implemented horizontal, vertical & multiple clustering of application servers for achieving work load management (WLM), HA Manager, Scalability and avoiding single point failure.
• Involved in writing UNIX Shell scripts, JACL and Jython to automate the maintenance process of the WebSphere and recovered the backed up Web Sphere configuration using wsadmin, backupConfig and restoreConfig.
• Migrating applications from WebSphere Application v6.1 ND to WebSphere Application Server v7.0 ND.
• Enabled Security features using LDAP user registry for authentication and authorization privileges for Admin console.
• Provided Netegrity Siteminder and Identity Minder Identity Management solutions for the client Option.
• Configured WebSphere resources including JDBC providers, JDBC data sources and Connection Pools.
• Configured Session Persistence using different RDBMS Databases.
• Installing IBM HTTP Servers and integrated with WAS for load-balancing and fail-over using generated plug-in.
• Analyzed the problems using IBM Support Assistant (and/or interact with IBM support to solve the problems by sending IBM Problem Management Records (PMR).
• Monitored Log analyzer, Product logs, Installation logs, Administer server logs and Application server logs during troubleshooting for reported errors.
• Analyzing the scalability of the applications with the help of tools like IBM Tivoli Site Analyzer, Tivoli performance viewer.
• Responsible for supporting the existing portal Applications like Member portal and Group Portal and Managing the themes and skins, Deploying the portlets and virtual portals.
• 24/7 on call production support and troubleshooting problems related to WebSphere Application Server.

Environment: IBM WebSphere Application Server ND 6.1/7.0, WebSphere Portal 6.0/6.1, WCM 6.x., Solaris 8/9, AIX 5.3, Red hat Enterprise Linux 4, Site minder, WCM, Apache WebServer v2.0, IBM HTTP SERVER v6.1, Wily Introscope, Oracle 9i/10g, DB2, Java/J2SE 1.4, J2EE 1.3, IBM Directory Server.

Confidential, Phoenix, AZ

WebSphere Administrator

Responsibilities:

• Installed, configured, and maintained IBM WebSphere Application Server 7.0/6.0, IBM HTTP Server, iPlanet.
• Deployed application EAR’s on WebSphere Application Server Network Deployment in QA, Staging and Production environments on a daily basis and troubleshoots various configuration and application issues.
• Setup Cells, Nodes and Clusters.
• Worked on Session management, Session tracking mechanisms like SSL ID and enabling Cookie.
• Created Replication Domains and worked on Memory to Memory replication mechanism for enabling session persistence under centralized Network Deployment Environment.
• Developed Cron jobs and Shell Scripts (tk, Jython, Perl, ksh) for automating administration tasks like file system management, process management, backup and restore, automate application install, uninstall and application enhancements through shell scripts WSCP, JACL, Jython scripts
• Extensive hands on WebSphere Administration using command line tools like wsadmin, dump Namespace (for JNDI)
• Worked with IBM Support and development teams in resolving issues related to application memory leaks, analyzing java cores and heap dumps using Thread and Heap analyzer tools.
• Package, build, Integrate and deploy enterprise J2EE applications on WebSphere 6.1.0.9/6.0.2.13/5. x that involves EAR (Enterprise Archives) and WAR (Web Archives) using ANT.
• Used RAFW for installation and setups, action commands and guided activity.
• Involved in troubleshooting and performance tuning using Resource Analyzer and Log Analyzer.
• Used IBM WebSphere Process Server V6 to develop and modify integration applications dynamically.
• Profiled all the J2EE Applications and worked with Application Development, and QA teams to resolve possible memory leaks, improve application integrity, performance and resolve all issues, bugs before deploying in Production
• Performed WebSphere Configuration backup and restoration using scripts
• Utilized skills in shell and wsadmin/JACL scripting to automate deploying, updating applications, migrating data and automating batch jobs
• Monitoring application log files, Application Server Performance, Servlet Status, Active Sessions and DB Pool connections
• Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• Configuring WebSphere Application Server on multiple platforms for both horizontal and vertical scaling for Work Load Management.
• Knowledge of Java Servlets, JSP, EJB development and deployment concepts and database skills.
• Performed Application-data backup & recovery, local backup/restoration of the WebSphere Environment - configurations and applications.
• 24x7 on-site operations support in an environment with over 200 Servers

Environment: IBM WebSphere Application Server 5.0/5.1,IBM DB2, Linux, AIX, Sun ONE Directory Server 5.1, Sun ONE WebServer 6.0, 6.1, Tivoli Performance Viewer, Willy Introscope, SP3, Message Broker, Netegrity Siteminder Policy Server 5.5, 6.0

Confidential, Chandler, AZ

WebSphere Administrator

Responsibilities:

• Responsible for setup, installation and ongoing development of WebSphere Application Server 6.x on UNIX platforms.
• 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.
• Configured the HTTP Server by defining users and passwords, created security certificate, configured secure host IP and defining ports, virtual host structure for secure server and document root for secure server. Created and managed the connection pools of the WebSphere
• Managed the connection between WebSphere and Web Server using Remote OSE agent.
• Extensively involved in management of the Build and Migration Process.
• Involved in Workload (Scalability, Performance testing) Management, Performance tuning and Build Process. Interpreted log files to locate and solve problems such as tracing and debugging facilities.
• Managed the Application Server remotely using WSCP (WebSphere Control Program).
• Used Resource Analyzer to analyze the resources. Analyzed the number of instances of the Servlets created by the App server. Customization and Personalization using Admin Console.
• Troubleshooting and Administration of WebSphere Admin Server, WTP Server and HTTP Server.
• Analyzed the number of instances of the EJBs created by the App server.
• Integrated the Personalization server with WebSphere app server. Configured the application server for different databases. Installed the fix packs for the problems to get solved with the App Server.
• Managed online problems like registering the EJBs, Servlets etc. Integrated Messaging service with the App Server. Load balanced the Application Server with Models and Clones.
• Responsible for maintaining the central repository for all instances of the applications.
• Interpreted log files to locate and solve problems such as tracing and debugging facilities.
• Monitored the performance and behavior of web applications.
• Handled deployment of Java Servlets, Session Beans and Entity Beans for each module
• 24x7 on-site operations support.

Environment: IBM WebSphere Application Server 5.x, IBM HTTP Server, Apache, IIS, Servlets, Sessions, EJB, IBM Db2/UDB, Oracle, AIX, Solaris and Windows 2000.

Confidential

WebSphere Administrator

Responsibilities:

• Installed and configured IBM WebSphere Application Server ND and IHS on Sun Solaris8 and Windows 2003 server in a multi clustered high availability environments.
• Migrated WAS application’s from 5.1 to 6.0 in development, test and production environments.
• Implemented horizontal and vertical scaling of WebSphere in a workload managed cluster to avoid failovers.
• Performed the package, build, integrate and deployment of enterprise J2EE applications on Web Sphere 4.0/5.0 that involved the creation and editing of EAR, JAR, WAR files using AAT.
• Configured WebSphere resources including JDBC providers, JDBC data sources and connection pooling.
• Installed plug-ins and worked on issues related with the AppServer and WebServer connectivity.
• Troubleshooting various issues like Heap size, class path, thread pools and port conflicts.
• Log rotation of web and application server logs on a daily basis.
• Deployed Enterprise applications on clustered Application Servers through admin console and by using automated scripts on UNIX/Windows environment.
• Created users, groups in LDAP (TDS) and mapped them to the enterprise applications running on WAS.
• Generated web plug-in and configured with web servers by doing manual edits.
• Involved in configuration of WebSphere Application Server resources like JDBC, J2C, JMS and Connection Pooling.
• Integrated Enterprise-wide J2EE applications and deployed using Admin console, automated using wsadmin scripts (JACL & Jython).
• Reviewed Web Server, Application Server Performance Monitoring data using both Wily Introscope and Tivoli Performance Viewer and reviewed historical Tivoli logs for root cause analysis, recurring events and involved in troubleshooting.
• Maintained UNIX Shell Scripts, JACL to automate the WebSphere administration (deploying customer applications, logs rotation, monitor applications state etc...).
• Worked on Problem tickets (PMR’s) with IBM to find effective solutions to various problems and performance issues.
• Well documented all procedures and any other important issues.
• Provided 24/7 on call support on rotation basis.

Environment: WebSphere Application Server ND 6.1.x/6.0.x/5.1.x/5.0.x, Sun Solaris 8, Windows 2000, DB2UDB 8.0, IBM HTTP Server 6.x/2.0/1.3, XML, Tivoli Directory Server v5.0(LDAP), Tivoli Performance Viewer, wsadmin, Jacl.