PROFESSIONAL SUMMARY:

• Extensive experience in a wide range of IT disciplines specializing in IBM WebSphere Application Server, WebSphere MQ server, Oracle WebLogic adept in all aspects of administration, maintenance, integration including installation and configuration.
• Strong understanding of IBM WebSphere Application Server family and architecture basis.
• Well versed in installing, configuring, administrating and troubleshooting IBM WebSphere Application Server ND v7.0.0.x/6.1.0.x/5.1.0.x/5.0.0.x
• Expertise in installation, configuration, clustering and administration of WebSphere Application Server on various platforms like Linux Red Hat , UNIX, Aix, Solaris and Windows.
• Troubleshooting and fixing of problems on all the different versions of Application Servers like WebSphere and WebLogic.
• Good Knowledge in Creating Horizontal and Vertical Clustering in WAS and Web logic Application servers for execution environment and long-running applications
• Experience in installation and configuration of Apache HTTP Server, IBM HTTP Server, Sun One Web Server, and Microsoft IIS and also involved in configuration of Virtual Hosts for IBM HTTP Server.
• Experience in applying plug-ins and tuning for WebSphere Application Server with IBM HTTP Server and Apache Web Server.
• Experience in Setting up of Nodes, Data Sources, and Virtual Hosts, configuring Servlet Engines, Session Managers and Environmental Variables.
• Experience in creating resources, modify properties, view runtime attributes, commit modifications and securing administrative server using Authentication, Authorization, Certificates, User Credentials and WebSphere Resources.
• Successful implementations of Workload Management WLM using cloning and clustering techniques including horizontal and vertical clustering for achieving High- availability, scalability and failover.
• Hands on experience in configuring and deploying J2EE applications on WebSphere Application Servers.
• Experience in 24x7 on-call production support and trouble-shooting problems related to WAS, Oracle WebLogic ,Web Servers, MQ Series and Database, Managing security, organization and remote computing issues.
• Expert in supporting Enterprise based Applications in a distributed environment, over a wide range of operating environments across several web farms on a 24/7 rotation basis for high volume, secure transactions and Web services.
• Expertise in configuring RDBMS products such as IBM DB2UDB 9.x/8.x, Oracle 11.x/10.x/9.x/8.x and Microsoft SQL server 2005 in UNIX, Linux and Windows environments.
• Well experienced in configuring various LDAP user registries for authentication and authorization and implemented SSO Single Sign On
• Expertise in working with various logs, trace and messages using tools such as Log Analyzer.
• 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.
• Expertise in using and modifying wsadmin scripts and Shell scripts to administer and automate batch job scheduling including backup and recovery processes and rotating logs.
• Experienced in working with change management tools like Remedy and Infrastructure Work request, HP Service Manager ticketing tools.
• Highly motivated to learn new developments in technology with strong analytical problem solving skills and a flair for creativity. Worked closely with Project manager, development, testing and production team to align project deliverables, dates and report issues/concerns.
• Excellent communication, analytical skills and highly flexible to learn new technologies in the IT industry and work towards company's success.

IT SKILL SET

• Operating Systems : UNIX, Linux, AIX, Solaris, Windows 95/98/2000,
• Middleware Products: WebSphere Application Server, Oracle Web logic, WebSphere Portal, Apache Tomcat, BPM, Data Power
• EAI Tools : WebSphere MQ, Message Broker.
• Web servers : IBM Http Server, Sun one Web Server.
• Monitoring tools : Willy Introscope, IT CAM, Tivoli Performance Viewer, Thread Analyzer, Heap-Analyzer
• Databases : Oracle, DB2, MYSQL.

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Worked with the development staff and application vendors to determine compatibility of upgrades and fixes and implementation plans.
• Involved in Installation, Configuration and Maintenance of WebSphere Application.
• Worked on HA clustering topology for Scalability and Reliability on multiple Middleware Tools, WebSphere MQ and WebSphere Portal server on various Operating Systems
• Setup Wily for WebSphere Application Server in a Network Deployment Environment on UNIX platform - used Admin Console and wsadmin scripting.
• Installing, Configuring, troubleshooting WebSphere Application server and installation of fix packs.
• 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.
• Configured WebSphere global security with LDAP registry. Created users with various roles to access the WebSphere admin console, users and groups in LDAP and added them as WebSphere Console Groups.
• Configured and setup Secure Sockets Layers SSL , PKI and Trusted CA for Encryption and Decryption of data using cryptography and Users Authentication.
• 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. MQ
• Configured the MQ Objects, JMS, Queue Connections Factories, MDB Listeners for the Enterprise Business Applications.
• Involved in Migrating the Servers and shifting the traffic between Data Centers during off peak hours and implemented the changes in the Maintenance window as planned..
• Fully automated the build process using wsadmin jython .
• Developed Automation scripts using Jython and Shell Scripts for performing system administration tasks, migration, develop clusters and build the WebSphere Profiles.
• Monitoring WAS performance through Tivoli Performance Viewer and tuning the system - caching, queuing, JVM parameters, DB Connection Pooling.
• Troubleshooting on various infrastructure issues, memory leaks, garbage collections, JVM heap allocations, Hung Threads and Session Timout.
• 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.
• 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.
• On-call Production Support monitoring and maintaining multiple Applications in Development and Test and Production Environments.

Environment: IBM WebSphere Application Server ND 8.0.x,7.0.x6.1.x/6.0.x/5.1.x/5.0.x, IBM Http Server, Willy Introscope, E-support, RHEL, Team Site, G3.

Confidential

WebSphere Administrator

Responsibilities:

• Installed, configured, and maintained IBM WebSphere Application Server, IBM HTTP Server on Sun Solaris, LINUX and Windows platform.
• Upgraded WebSphere ND with refresh packs and fix packs. Implemented the Vertical and Horizontal clustering that meets High Availability and Failover requirement for performance and functionality.
• Integrated and deployed Enterprise J2EE applications on WebSphere ND 6.1/6.0 that involves EAR, JAR, WAR files using Application Assembly Tool.
• Implement and Deploy the Message Broker Flow and Execution Groups based on the application needs on WebSphere Message Broker.
• Installed vulnerability fixes for WebSphere Application Server.
• Managed Security and Performance optimizations for IBM WebSphere, IBM HTTP Server and Apache Web Server.
• Experience in evaluating session state failover options memory-to-memory, database persistence and create and configures DRS Data Replication Service replication domains.
• Troubleshooting on issues such as out of memory, memory leaks, hung sessions and session replication, federation of nodes and synchronization of nodes with NDM.
• Configured SIB and Enterprise Service Bus on WebSphere Application Server ND 6.0.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling.
• Enabled Global Security feature by configuring LDAP as user registry and LTPA for authentication and authorization privileges.
• Upgrade, Configuration, Setting Channels, creation of Queues, Change Queue Properties, Monitor Queues, Administration, Support MQ client.
• Install, configure, and administer IBM WebSphere and JBOSS 4.0.1/3.2 in clustered and non-clustered environment
• Deployed the applications on multiple WebLogic Server and maintained Load balancing,
• Created and configured WebLogic Application server instances for QA, Development and Production
• Installed and Configured Tivoli Access Manager e-business for Securing Applications
• Extensive hands on using UNIX shell scripts, Jython and JACL automated scripts for administration.
• Monitored for Application core dumps, or forced thread dumps to check for system objects using thread analyzer and other IBM tools.
• Handled everyday System Administration tasks such as backup procedure, system clean-up, rotating logs, creating system alerts and other everyday system tasks.
• Enabled Performance Monitoring services through admin console then monitored and analyzed the performance data using Tivoli Performance Viewer.
• Problem determination using local error logs and by running user traces and service traces.
• 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, Site Minder, WAS, MQ, code, and data issues.
• Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using IKEYMAN.
• 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.

Environment: IBM WebSphere Application Server ND, Web Server, Oracle Weblogic, Oracle 10g, IBM DB2,Tivoli Performance Viewer, Wily Introscope, RHEL,PHMS,SHP,HPOV.