Summary of Experience:

• Over 7 years of IT experience with more than 6 yrs of WebSphere System Administration and Production Support on heterogeneous systems Sun Solaris, AIX, Linux and Windows NT environment with different versions of WebSphere Application Server 5.1/6.0/6.1/7.0 , WebSphere Portal Server 6.x, IBM HTTP Server 1.3/2.0.47.1 , Bash Apache, iPlanet and Tomcat.
• Experienced in installing, configuring and maintaining WebSphere Application Server 5.1.x, 6.x , WebSphere Portal Server 6.x on various platforms AIX, Sun Solaris, Windows 2003/XP, Linux manually, silently and through custom automation process.
• Adept at installation, Configuration, of IBM Http Server, Apache, iPlanet Webserver.
• Installed IHS, Iplanet, and Apache integrated it to WAS for load-balancing and fail-over.
• Hands on experience in performance monitoring and tuning J2EE1.2/1.3/1.4 applications Web EJB modules on multiple platforms with WebSphere Application Server WAS 5.1/6.0/6.1/7.0 using Tivoli Performance viewer and Wily introscope.
• Expertise with WebSphere administration, security, performance tuning, troubleshooting complex issues, applying refresh packs and fix packs, Jacl/Jython scripting , configuring jdbc and MQ resources , SIB setup and configuration , SSL setup .
• Implemented horizontal Vertical Scaling in WebSphere Environment.
• Involved in MQ installation and configuring MQ resources Queue Managers, Queue Connection Factories and Queue destinations . Adept at configuring various WebSphere resources including JDBC Providers oralc,db2,sql ,configuring data sources, resource adapters, Message Driven Bean Listeners, session management, managing websphere variables at all scopes cell, cluster, node and server .
• Involved and Implemented various Application architecture designs, WebServer and Application Server load balancing techniques Horizontal and Vertical Clustering , WebSphere Global Security LTPA mechanism , SSL, Single Sign-on using LDAP and SiteMinder, Websphere MQ.
• Experience with Secured Socket Layer SSL , creating self signed certificates, Generating certificate requests, Import/Export certificates and creating key databases
• Hands on experience in deploying, implementing, testing and support of full life cycle implementations of various J2EE/Internet/Intranet and distributed applications.
• Experienced in migrating the existing configuration and applications from WebSphere 5.x to 6.x in coordinating with Development team.
• Sound knowledge in implementing the workload management WLM high availability using cloning and clustering horizontal and vertical methodologies
• Worked on automation of Application Deployment and Configuration using WAS scripting clients: wsadmin.
• Experienced with Basic System Administration skills of All UNIX flavors AIX, Solaris and Linux along with networking features.
• Provided 24X7 support in troubleshooting Application problems to help systems stability and integrity which results in customer's utmost satisfaction.
• Experience in Recovery and Backup of WebSphere configuration.
• Highly motivated to learn new developments in technology with strong analytical problem solving skills and a flair for creativity.

Technical Experience:

Professional Experience:

Confidential

WebSphere Administrator

Responsibilities:

• Installed, configured and maintained IBM WebSphere Application Server 5.x/6.0, IBM Http Server 1.3/2.0, apache on heterogeneous platforms Aix 5.3/Sun Solaris 8.5/Linux/windows NT .
• Worked on new projects starting from design and architecture phase, provided customers with varied solutions for websphere clustered topology, fail over capabilities, load balancing methodologies, session replications etc .
• Involved in all phases of application move from development to production, stress testing, monitoring the application resources using Tivoli performance viewer, Cruise Control 2.1.6 analyzing JVM during runtime and tuning accordingly
• Involved in migration of the applications from websphere 5.x to 6.0 and worked closely with development team. Applied Refresh packs, fix packs and cumulative fixes for websphere, IHS and plugins
• Good working experience in enabling websphere global security using Local OS and Sun One LDAP LTPA mechanism ,SSL configuration, Ordering digital certs, creating key database using ikeyman and keytool tools, import/export certs and create self signed certs for dev and test environments. Worked closely with different teams providing single-sign on solutions using LDAP and Netegrity SiteMinder.
• Installed Configured Siteminder WebAgent, configured IBM Http Server for SSO
• Installed Configured Siteminder Application Server Agent TAI
• Developed WSADMIN scripts using JACL, python for automation of websphere processes including start/stop, creating and configuring serves, clusters, JDBC and MQ resources, deploying applications. Worked on Unix shell scripts for log rotation, init scripts for websphere and WebServer processes, cronjobs, and shell wrappers for wsadmin scripts.
• Provided solutions for clustering at WebServer and websphere areas. Worked on Horizontal and Vertical clustering methods providing fail over, effective load balance scenarios and efficient utilization of system resources. Worked closely with other teams providing WebServer load balancing mechanisms with Cisco and Foundary switches.
• Adept at installation and configuration of J2EE 1.2/1.3 applications ears/war/jars on websphere. 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
• Used websphere backup and restore scripts for backing up websphere repository.
• 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.
• Worked and solved variety of issues with websphere and J2EE applications. Provided 24/7 support for critical applications with on-call pager rotation , flexible to work during off hours.

Environment: WebSphere application Server 5.x/6.0, IBM Http Server 1.3/2.0, Apache WebServer V2.0.47, JBoss, LDPA, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, Microsoft SQL Server2000, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, AIX 5.3/5.2, RedHat Linux V9, Solaris V8/9/10, BigIP, VCS, JReports, Jacl, python Scripting,

Confidential

WebSphere Administrator

Responsibilities:

• Installation and configuration of IBM Web Sphere Application Server 6.0/6.1, IHS 2.x/6.0,Apache 2.x, on IBM AIX., Sun Solaris and Windows.
• Worked on WAS Global Security using Sun Directory Server and SSL for Web Server using iKeyman and keytool. Created self signed certificates, ordered digital certs and enabled mutual authentication.
• Worked with Load Balancing of web sphere using Horizontal and vertical clusters for failover and effective resource utilization.
• Involved in configuration of Site Minder agent on IBM Http Server for single-sign on.
• Involved in deploying the J2EE EAR files jar and war files including automated deployment of the applications.
• Configured WebSphere resources for database JDBC providers and data sources and MQ resources QManagers, qcfs and queue destinations .
• Performance tuning using Tivoli Performance viewer, configuring caching, queuing, pooling, JVM parameters.
• Troubleshoot applications using WebSphere Application Server logs, ffdc logs, analyzing java cores and heap dumps.
• Involved in assisting QA team for Load and Stress testing of J2EE applications.
• Configured Veritas High Availability HA for monitoring applications to ensure high availability and for automatic failover capability
• Responsible for Support and reliable maintenance of the applications on different platforms for on-going application development.
• Worked with Session Management, creating replication domains for session persistence Memory to Memory replication using client server methodology. Used WebSphere backup and restore scripts for backing up WebSphere repository

Environment: WebSphere Application Server 5.x/6.x, IBM Http Server 2.x0/6.0, Apache 2.x , DB2, AIX 5.3, JDBC 3.0, ORACLE 11i, IBM WebSphere MQ5.3, Solaris 5.10, SiteMinder5QMR7.

Confidential

WebSphere Administrator

Responsibilities:

• Installed and configured IBM WebSphere Application Server 6.0, IHS 2.x, Apache web server on various platforms including AIX and Solaris 8.x
• Maintenance of the WebSphere servers on different platforms and setting up the development, testing and staging environments for the ongoing application development.
• Debugging of the application problems while developing the application.
• Developed WSCP scripts and shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration using XML Config tool.
• Created user roles and groups for securing the resources using local operating system authentication.
• Used IBM Edge Server and Network Dispatchers for load balancing.
• Configured Workload Management WLM using server groups in WAS 5.x and clusters in WAS 6.x.
• Well versed and proven experience in defining, packaging and deploying applications using WebSphere Application Assembly Tool AAT .
• Configured horizontal scalability of WebSphere through a mechanism called as Cloning of multiple WebApps with independent Java Virtual Machines-JVMs, for each clone.
• Developed business session beans and container managed entity beans.
• Involved in trouble shooting and Performance tuning using Resource analyzer and log analyzer.

Environment: WebSphere Application Server 6.0, IBM Http Server 2.x, JBoss, WSCP scripts, Resource Analyzer, Windows NT/2000, JSP, Servlets, DB2, MySQL.

Confidential

WebSphere Administrator

Responsibilities:

• Setup, installation and participation in the ongoing development of WebSphere Application Server on UNIX platforms.
• Create and manage the connection pools of the WebSphere Application Servers and Server clusters.
• Setting up IBM DB2 UDB7.1 Server and its troubleshooting.
• Managing the Build and Migration Process.
• Involved in Workload Management.
• Interpreting log files to locate and solve problems.
• Managing the Application Server remotely using WSCP WebSphere Control Program on Linux, Solaris and NT.
• Analyzing the number of instances of the servlets created by the Application server and the resources used by it.
• Analyzing the number of instances of the EJB's created by the Application server and the resources used by it.
• Monitoring CPU Utilization by the Applications.
• Creating different instances of the Application Server for different environments.
• Configuring the application server for different databases.
• Installing patches and fix-packs for various components of the software.
• Load balancing the Application Server with Clones.
• Creating different data sources for different application developers.
• Maintaining the central repository for all the instances of the applications.
• Assisting application developers with monitoring browser-based applications.
• Evaluating new releases and managing migration to new releases.

Environment: IBM WebSphere Application Server 5.1, DB2 UDB 7.1, AIX, Linux Open System RedHat7.1, S.u.S.E.6.1, Caldera2.3.1 , SUN Solaris5.7, Clear Case, Java1.2, JDBC2.0, Servlets, EJB1.1, XML1.0 and HTML, Apache, IBM HTTP Server 1.3.19 and Windows NT.

Confidential

WebSphere Administrator

Responsibilities:

• Installed and configured WebSphere 5.0/5.1 and IBM HTTP Server on AIX, Solaris and Windows.
• Involved in the deployment of various J2EE components using WebSphere Application Server.
• Written WSCP scripting for Installation, Configuration deployment migration.
• Creating user accounts and assigning the home directories in UNIX.
• Provide WebSphere solutions, support across Enterprise and to other WebSphere groups.
• Configured NIS, NFS and Auto mount for mounting user home directories in AIX and Solaris.
• Involved in designing WebSphere Application Server load balancing and fail over by using Workload Management WLM , horizontal and vertical clustering.
• Responsible for Web server and Application server installation, support and performance monitoring for all applications running on the company's Website.
• Developed WebSphere Application Server regular administration tasks automated by using WSCP and XMLConfig scripts.
• Played an active involvement in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.
• Applied software maintenance, program fixes and keeping the system software releases current.
• Implemented WebSphere Global Security using LTPA and SunOne LDAP Directory Server.
• Maintaining updated documentation of all the Servers and the installed applications and patches.

Environment: IBM WebSphere Application Server 5.0/5.1,IBM HTTP Server, Apache, IIS, IBM DB2/UDB, Oracle, AIX, Solaris and Windows 2000

Confidential

J2EE programmer / Web Administrator

Responsibilities:

• Developed web based utilities for users using JSP and Java Script
• Used java Script and HTML for client validations.
• Developed code for Servlets
• Used Swing components and AWT to develop the Client screens.
• Developed and Deployed EJBs and Servlets in IBM WebSphere 3.5
• Involved in server side programming using Servlets and Session Beans.
• Designed and developed JFC/Swings based chat communication media between the portal users for sharing the views and conduct effective communication
• Developed use cases, sequence diagrams and preliminary class diagrams for the system using UML involving Rational rose
• The Development and deployment of the JSP and Servlets was done on WebSphere Web container

Environment: Java, EJB, Servlets, Swing, HTML, Java Script, Oracle 8.x, IBM WebSphere 5.0, Windows NT, Solaris 2.7