Summary

• Over 6 years experience in IBM WebSphere Application Server with primary expertise in Installing Upgrading and Configuration of WebSphere Application Server 5.x/6.x/7.x on Linux Solaris and Windows Platform.
• Experience with creating JVMs clusters configuring web container session management configuring web server plug-ins IBM HTTP Server Tivoli Directory Server LDAP setting class path JVM heap and log rotation enabling verbose garbage collection GC diagnostic trace creating JDBC providers data sources J2C auth entries Resource adapters virtual hosts and WebSphere variables enabling monitoring.
• Web server setup including complex secure sockets layer SSL configuration on IHS and Apache using both hardware and software certs
• Expertise in Design Maintenance Security Recovery and Support of Windows and Linux environments.
• Experience in installing patches and fixes for WebSphere Application Server.
• Experience in working with logs traces and messages using tools such as Log Analyzer Resource Analyzer and Admin Console.
• Used Wily Performance tools for monitoring and tuning the WebSphere environment like configuring Heap size Thread pool size Session Management connection pool size.
• Experienced in analyzing Java cores Heap dumps Hung Threads Deadlock and Memory Leak.
• Good Hands on experience in Java programming.
• Hands-on experience with databases including Oracle DB2 SQL Server PL/SQL and SQL involving stored procedures triggers functions indexes and packages.
• Involved in developing JACL Jython ANT and Shell scripts to administer and automate batch job scheduling including backup and recovery processes.
• Extensive work experience through all phases of Software Development Life Cycle SDLC starting with project initiation requirement gathering requirement analysis functional design detail design development and implementation of multi-tier enterprise web based and distributed applications.
• Possesses good communication skills strong presentation skills excellent analytical and problem solving skills.

TECHNICAL SKILLS SUMMARY

• Languages Java 5.0 J2EE SQL XML
• Technologies Web Sphere Application Server JNDI JDBC.
• Application and Web servers IBM Web sphere application server Apache Tomcat
• Operating Systems Windows Unix Linux
• IDE Eclipse Netbeans

WORK EXPERIENCE

WebSphere Administrator

confidential

Responsibilities

• Installed and configured Web Sphere Application Server 6.x on UNIX Platforms and used Update Installer to update with fix packs.
• Maintained Web Sphere Application Servers in development testing and staging environments for on-going application development.
• Implemented creation of Server groups and clusters in WebSphere Application server and cloning of servers and provided extensive support in deployment change management and application level troubleshooting for the Dev Test Pre-Prod Production environment.
• Highly experienced in administering Unix/Linux Shell scripts to monitor installed J2EE applications and to get information from the logs and database in the required format and other daily activities.
• Installed and configured IBM WebSphere Portal Server on Unix Servers created Portal Clusters using horizontal vertical clustering.
• Experience in configuring SSL for web servers requesting and installing secure certificates enabling global security using LDAP registry and single sign on.
• Managed the security and performance optimizations for EJB containers and Web applications in IBM WebSphere IHS and Apache WebServer.
• Configured WebSphere resources like JDBC providers JDBC data sources and connection pooling and tuning it and monitoring it using Tivoli Performance Viewer by enabling PMI.
• Automate application install uninstall and application enhancements through Shell scripts and wsadmin scripts.
• On-call production support 24X7 and troubleshooting problems related to Web Servers WebSphere Application Server Plug-ins and Database.
• Environment IBM WebSphere Application Server 6.x AIX IHS Web Server 6.1 Tivoli Performance Viewer Wily Introscope 7.x .

WebSphere Administrator

confidential

Responsibilities

• Provided Infrastructure solutions for J2EE applications around IBM WebSphere Application Server 6.1/6.0/5.1 IBM HTTP Server on AIX and Windows platforms.
• Responsible for setting up the Dev Test QA Preproduction and Production Environments which includes Installing the WebSphere Creating Profiles nodes federation of nodes was instances Application Server Clusters Cluster members Virtual hosts Data Sources Plug-in configuration.
• Extensively involved in migrating the all J2EE Applications which includes setting up new Research Dev TEST and Production Environments from WebSphere 5.0.2.13 to WebSphere 6.1.0.27.
• Tuning and Monitoring the overall applications and system health with the statistics Average response time Number of requests transactions and number of live http sessions web server thread pools the Web and Enterprise JavaBeans thread pools database and connections pools java virtual memory CPU I/O and System Paging.
• Responsible to create Custom installation packages CIP using Installation factory for WAS 6.1 environment.
• Developed ANT scripts for compile and deployments.
• Capable of successfully manage time projects and multiple priorities provide root cause determination for enterprise-wide issues and able to work well under pressure and time constraints and be able to adjust to a constantly changing fast paced environment.
• Responsible for Documentation of operational environments support procedures Configuration and management of Application clusters and Application load balancing and Application Server tuning and problem isolation.
• Provide 24x7 on-call rotation support.

Environment WebSphere6.1.0.27/6.0.2.13/5.0.2.13 IBMhttpServer6.1/2.0.47WebSphere Web Agent Java 2.0 JSP1.2 EJB 2.0 JDBC 2.0 XML Windows 2003 Server Solaris 10/9 RAD7/6 WSAD 5.0 DB2UDB Oracle10g/9.0.2.5/8.1.7 Remedy User Shell Scripts jython and JACL.

WebSphere Administrator

confidential

Responsibilities

• Installed configured and administered IBM WebSphere Application Server 6.0/6.1/7.0 and IBM HTTP server 6.1/7.0 on AIX/Windows platform.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Created Configured Profiles Nodes Node Groups Clusters for WebSphere Application Server.
• Used Tivoli Performance Viewer and ITCAM to monitor the performance.
• Processing modules and promoted applications customizations using XML Access Release Builder.
• Installed Data Collectors DC Tivoli Enterprise Monitoring Agent TEMA and integrated them with Tivoli Enterprise console.
• Responsible for support and reliable maintenance of the applications on different platforms for on-going application development.
• Used Heap Analyzer and Thread Analyzer to tune the WebSphere JVMs.
• Configured resources for JDBC J2C and JMS based on the application requirements
• 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 class path issues by checking the JVM logs plug-in logs and the web server logs.
• Deployed war files using XML Access and Portal admin console.
• 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.
• 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 IBM DB2 AIX Sun ONE Directory Server 5.1 IHS Web Server 6.1 Tivoli Performance Viewer Wily Introscope 7.x.

WebSphere Administrator

confidential

Responsibilities

• Installed and configured IBM WebSphere Application Server 5.0 on AIX Linux and Solaris and created user roles and groups for securing the resources using local operating system authentication.
• Maintained WebSphere Application server for web applications development and deployment of JSP and EJB components on WAS.
• Involved in deploying the EAR files and scripting automated deployment of the applications.
• Administration of Working Application Application performance monitoring starting and stopping the application server.
• Installed plug-in for IBM HTTP WebServer coordinated with Database Admin Team to create databases for storing the WebSphere application repository.
• Configured WebSphere domains in the administration console and Setting up WebSphere sever instance for Windows services.
• Worked with Application groups in troubleshooting and fine-tuning the application Performance.
• Trouble shooting various problems in different stages of development using log files.
• Worked on WebSphere components such as Work Load Management WLM Session Management. Deployed J2EE applications on Websphere Application Server using WSAD tools.
• Configured J2EE resources like JMS JDBC providers and data sources Resource Adapters URL providers Mail providers Cache instances connection pooling and Java Mail sessions.
• Involved in advanced performance monitoring and tuning on WebSphere application server.
• Implemented horizontal and vertical scaling of WebSphere Application Server WAS in a workload managed cluster.
• Written scripts to handle everyday System Administration tasks such as backup procedure system cleanup everyday system tasks etc.
• Well documented all procedures and any other important issues.
• Provided 24/7 on call support on rotation basis.

Environment IBM WebSphere Application Server 5.0 Apache IBM HTTP Server AAT DB2 Oracle 8.x/7.x J2EE Clear Case AIX 5.1 Sun Solaris 8.0 and Windows.