Professional Summary:

• Around 10 years of Information Technology experience and 8 years of in Systems Administration, IBM WebSphere Application Servers Administration, and IBM Message Broker administration.
• Strong experience in Planning, Installing, configuring, Tuning, Patching, Troubleshooting and Integrating IBM WAS, MQSeries, Apache Http, IHS v 7, SunOne WebServers, LDAP and ESB.
• Strong experience in Planning, Installation and Configuration of IBM WebSphere Message Broker 7.x.
• Strong experience in Administration and Maintenance of WAS ND clusters vertical, horizontal and deployment of applications in highly available, load balanced production environments.
• Experience in configuring and maintaining IBM HTTP Server.
• Configured and created policies sets and Policy bindings to implement Web Services between two applications.
• Administered the end point listeners of configured Web Services.
• Deployed applications in Development, Systems, Users Acceptance, Training and Production regions.
• Configured JMS resources like Queues, Queue connection factories, Activation Specifications and JDBC resources like Data Providers, Data sources in IBM WebSphere 5.x/6.x/7.x Servers.
• Expertise in setting up of JVMs, Clusters, virtual hosts and configuring authorization and authentication models using LDAP.
• Experienced in Recovery and Backup of Web Sphere configuration using Web Sphere backup utilities.
• Good knowledge 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.
• Experienced in enabling Global Security with Local OS, Custom and LDAP users registries and experience in configuring SSL communication between Webserver Plugin and WAS.
• Experienced in configuring Workload Management WLM of Web Sphere Application Server and also in Performance Tuning using Resource Analyzer and IBM Suppor33t Assistant ISA tool.
• Used IBM Support Assistant ISA to identify the memory usage, leaks and analyzing Garbage Collection and configuring right GC parameters for better performance, evaluated application performance health and detected the presence of memory leaks.
• Worked with MQ Queue Managers and its objects using MQ Explorer and MQSC Commands. Experience defining and managing Full Repository Queue Manager Clusters.
• Highly experience of system administration on Linux Redhat, Suse , HP-UX, AIX, and Windows NT/2000.
• Well experienced in writing shell scripts in bourne and korn shells, wrote JACL, python, jython scripts to automate most of the WebSphere administrative tasks via the WSAdmin util.
• Resolved Deployment issues and network issues for Development team in Production Environment.
• Created Data Sources to a variety of Databases, including DB2 and Oracle.

Skillset:

SUSE Linux, Windows 98/NT/XP/200X, Unix, AIX 5.x, Linux, IBM Web Sphere Application Server 5.x, 6.x, 7.0,8.5 WebSphere MQ 7.X, IHS 1.x, 2.x, Sun One Web Server, Enterprise Service Bus ESB , Websphere Message Broker WMB , XML,DB2UDB, DB2, Network, PC and Operating system Troubleshooting, SVN Collabnet, Hudson, TCP/IP, UDP,Apache,Tomcat,IBM HTTP Server,LAN, WAN, SMTP, IMAP, POP3, SSH, NFS, DNS, SOAP, RMI/IIOP, LDAP and DHCP, Tivoli Performance Viewer, MYSQL, IBM Support Assistant tool ISA , Thread Analyzer, Log Analyzer, Heap-Analyzer, Wily, Introscope 7.1/6.0, RFHUTLC.

Projects Summary:

Confidential

Role: Senior WAS Administrator

Responsibilities:

• Responsible for installation, configuration and maintenance of EAR files and WAR files on WebSphere Application Server ND, Message Broker, Message Queue series and IBM HTTP Server in a multi clustered high availability environments.
• Installed fix packs on WAS 8.5 and installed and configured IBM HTTP Server on unmanaged nodes.
• Responsible for application code promotions across different life cycle environments- developments validation, integration, UAT and production systems .
• Installed Message Broker runtime components and MQ runtime on zLinux, WMB tool kit and MQ explorer on Windows environment
• Responsible for Deploying bar files, deploying Message flows, managing message flows, stopping and starting message flows, increasing instances for message flows.
• Create and deploy broker archive bar files to execution groups.
• Actively taken part in implementing Enterprise Service Bus ESB for Department of corrections applications.
• Defined Cell names, Node names, Clusters, Cluster members, logs, virtual hosts, J2C aliases, JDBC Providers, Data Sources, MQ Providers, MQ activation specifications at respective scope levels.
• Updated certificates according to the scheduled time frame.
• Configured and created policies sets and Policy bindings to implement federal FFM Web Services between DHS applications and Federal applications.
• Administered the end point listeners of configured FFM Web Services.
• Implemented vertical Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Servers. Installed EAR's, configured application specific JVM settings, Web container parameters using the Admin Console.
• Configured the IHS web-server interfaces plugin-cfg.xml and httpd.conf file , session management, virtual hosts, included custom modules provided.
• Troubleshoot using logs, FFDC logs, Log Analyzer for activity logs, Thread Analyzer for thread dumps, custom shell scripts.
• Administered, configured, tuned, troubleshot WebSphere in both clustered and standalone environments, installed and updated with Fixpacks, Interim fixes.
• Enabled security and configured SSL between Webserver Plug-in and WebSphere Application Server.
• Mapped the LDAP users and groups to J2EE security roles of the application module running on WebSphere Application and also implemented SSL communication between the Webserver Plug-in and Application Server.
• Created Self-Signed Certificates and created Certificate Requests through IKeyman and sent it to Certificates team to get DigiCerts and deployed the new certificates sent by Certification Authorities into the environment.
• Administered the build tools like SVN Collabnet and Hudson applications in WebSphere application server.
• Performance tuned WebSphere Application Server by configuring Heap size and other JVM parameters.
• Experienced on working with Ticket/Change management tools like HP Service Manager.
• Performed identification and resolution of the overall infrastructure problems/issues providing permanent solutions by root cause analysis.
• Used garbage collection to evaluate application performance health and detected the presence of memory leaks.

Environment: IBM WebSphere Application Server ND 8.5/7.x/6.x/5.x, IBM WebSphere Message Broker v7,Linux Red Hat, SuSE , AIX, Windows 2008, iKeyman, IBM DB2, Oracle, Apache,Tomcat, IBM HTTP Server 7.x/6.x, Z/OS, USS, XML, SOAP UI, Web Services/WSDL, My Sql, RFHUTLC, IBM Support Assistance ISA Tool..

Confidential

Role: Web sphere Administrator

.

Responsibilities:

• Installed configured and maintained WebSphere Application Server 6.x ND and created cells, Dmgr, Application Server profiles and made the Application secured according to the company and customer standards on Sun Solaris, AIX, and Red Hat Linux platforms.
• Installed and configured IBM HTTP Server on unmanaged node.
• Deployed the applications in staging, in productions Application Servers on a 24/7 support basis.
• Administered, configured, tuned, troubleshot WebSphere in both clustered and standalone environments, installed and updated with fixpacks, interim fixes latest DST fix
• Experienced in deploying and debugging applications in Base and WAS-ND.
• Implemented Horizontal and vertical Clustering Performance tuning and trouble shooting of IBM WebSphere Application Server 6.x. Installed EAR's, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and wsadmin scripts.
• Configured the web-server interfaces plugin-cfg.xml and httpd.conf file , session management, virtual hosts, included custom modules provided by IBM on some PMRs.
• Troubleshoot using logs, Log Analyzer for activity logs, Thread Analyzer for thread dumps, custom shell scripts.
• Enabled security and configured SSL between Webserver Plug-in and WebSphere Application Server.
• Performance tuned WAS by configuring caching, queuing, pooling, heapsize and other JVM parameters
• Performed identification and resolution of the overall infrastructure problems/issues providing permanent solutions by root cause analysis.
• Analyzed existing AIX infrastructure and recommended modifications that will enhance capacity and meet business requirements when migrating to Solaris.
• Defined standards for cell names, node names, clusters, cluster members, logs, virtualhosts, J2C aliases, JDBCProviders, datasources, wily Settings and the like enforced using custom shell, jacl config, deploy scripts.
• Wrote stop, start, deploy, backup scripts for cell, nodeagents, clusters, servers, IHS servers, logs, transferring plugin file to multiple IHS, synching static content on IHS, copying virtual hosts and host aliases and the like.
• Used garbage collection to evaluate application performance health and detected the presence of memory leaks.

Environment: IBM WebSphere Application Server 6.0,6.1,7.0 Java 2.0, IBM IHS, Tomcat, WebSphere MQ , Windows 2003 Advanced Server, LDAP, DB2, Oracle8/9/10, Shell Scripts, WsAdmin scripting, HTML, Windows XP, Linux.

Project:

Confidential

Role: WAS Administrator

Responsibilities:

• Installed and configured IBM Web Sphere Application Server ND 6.X and IHS 6.x on Sun Solaris8 and Windows 2003 server in a multi clustered high availability environments.
• Migrated WAS application from 5.1.1.3 to 6.x in development, test and production environments.
• Implemented horizontal and vertical scaling of WebSphere Application Server in a workload managed cluster to avoid failovers.
• Deployed Enterprise applications on clustered Application Servers through admin console and by using automated scripts on UNIX/Windows environment.
• Involved in configuring the Web Directory access protocols like LDAP for different levels of access at the site.
• Created the users and groups in LDAP Servers and mapping them to the enterprise applications running on WAS.
• Generated HTTP plug-in config and configured with web servers by doing manual edits.
• Managed Connection Pooling and registering web applications Servlets, JSP on WebSphere.
• Developed and Maintained UNIX shell scripts, JACL scripts that automate the WebSphere Administration recycling the application server, deploying customer applications, log rotation, monitor applications state, etc. .
• Installed Web Sphere Enterprise Service Bus ESB .
• Strong experience in Analyzing, Trouble shooting and taking appropriate actions for Application/Web server errors and logs using WebSphere Log Analyzer tool.
• Involved in configuration of Web Sphere Application Server resources like JDBC, J2C, JMS and Connection Pooling.
• Integrated Enterprise-wide J2EE applications and deploying using WebSphere Application Server and Application Assembly Tool.
• Enabled the performance monitoring services for collecting performance data.
• 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 the recurring problems.
• Worked on Problem tickets PMR's with IBM to find effective solutions to various problems and performance issues.

Environment: WebSphere Application Server ND 6.1.x/6.0.x/5.1.x/5.0.x, WebSphere Portal Server 5.1/6.0/6.1 Sun Solaris 8, Websphere Enterprise Service Bus 6.0.1, 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, Wily Introscope.

Confidential

Role: Middleware Administrator

Responsibilities:

• Installed and configured number of WebSphere Application Servers 5.0/6.0 instances on development, WebSphere XD, QA and production environment.
• Installed multiple instances IBM WebSphereV5.0, 5.1 on the same machine. Coexistence of multiple Application Server Base instances, multiple Deployment manager instances, and different versions of WebSphere as well.
• Installed fixpacks and fixes, federating Node to the Deployment Manager.
• Administered and troubleshoot of working Application - starting and stopping the application server Regenerating/updating plug-in for IBM HTTP Server and iPlanet Webserver, co-ordinate with Database Admin Team to create databases for storing the Websphere application repository for WAS4 .
• Enabled global security for application servers and applications using Single Sign on SSO by LTPA mechanism on SecureWay LDAP User Registry.
• Deployed the Applications on the Server from wsadmin/WSCP using jacl/tcl scripts.
• Involved in Application integration for Customer Trouble Ticket Tracking System, a web-based system using EJB Architecture deployed in Websphere Application Server.
• Integrating the mainframe trouble ticket system to web-based system using EJB Architecture to be deployed in WebSphere Application Server.
• Assisted the application owner with questions about installation packages, assisting operations staff with questions about the execution of a change request, and maintaining operational procedures and tools for managing the WebSphere environment.
• Configured the web server interfaces, session management, virtual hosts and transports for WebSphere.
• Installation Configuration of IBM HTTP Server, make junction works for the transportation of application through a webserver.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling and JavaMail sessions.
• Involved in configuring the WebSphere load balancing using WebSphere workload management like horizontal cloning and vertical cloning.
• Configured horizontal scalability of WebSphere through a mechanism called as Cloning of multiple JVMs with independent Java Virtual Machines-JVMs, for each clone.
• Trouble shooting, Performance tuning and Capacity Monitoring of Applications Servers using Tivoli Performance Viewer and log analyzer.

Environment: IBM WebSphere Application Server 5.1, iPlanet, IBM WebSphere MQ 5.3, IBM DB2, AIX, OS390, Sun One, Directory Server 5.1, Sun One Webserver 6.1, IHS, Netegrity Siteminder Policy Server 6.0

Confidential

Role: Middleware Administrator

Responsibilities:

• Installed, configured and integrated WebServers obj.conf, magnus.conf, plugin file , Siteminder domains, policies, realms, rules and Ldap user directory with WAS.
• Installed, configured and troubleshoot WAS ND and Migrating from 5.0 to 5.1 and installation of fix packs and e-fixes.
• Responsible for Installation, Configuration and Maintenance of WebSphere Application Server in a Network Deployment Environment on AIX consisting of 8 clustered nodes to achieve fail-over and load balancing used Admin Console and wsadmin scripting.
• Supporting, monitoring all Applications at Development, QA and Production phases.
• Deployed application in WAS on AIX using Console and also automated JACL scripts after getting the Release EAR, WAR, and JAR files from Clearcase.
• Upgraded Applications with various patch files JSPs, Class files, changing various properties and property files and other configurations .
• Monitored WAS performance through Tivoli Performance Viewer and tuning the system caching, queuing, JVM parameters, DB Connection Pooling.
• Wrote both Shell and Perl scripts for various automations and reports, etc.
• Establishment of Application-specific parameters and definitions having knowledge of Java Servlets, JSPs and EJB development and deployment concepts and database skills .
• Workload management using WebSphere Modeling and Cloning on Application Servers.
• WebSphere Performance Monitoring, Tuning and Application-specific load balancing.
• Copied tables in DB2 using export and import and load commands.
• Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
• Worked with QA Team for Stress tests, Performance tests and identified the bottlenecks of highly configurable applications. Testing was done using LoadRunner.
• On-call Production Support 24x7 , monitoring and maintaining multiple Applications in Development, QA and Production Environments.

Environment: WAS ND 5.0/5.1, WAS 5.0.2.2, JAVA, J2EE, AIX 4.5, SiteMinder 5.0, SunOne WebServer, IBM DB2 UDB 7.2, Oracle, WSAD.

Confidential

Role: Java Programmer

Responsibilities:

• Developed an internal tool using Java Server Pages in order to manage the testing labs at the organization in an efficient way and provide a common interface to the testers, developers and management.
• Implemented Resource Allocation tool using Java Server Pages SQL Server.
• Resource Allocator was a tool designed to efficiently manage the software labs at the organization providing the staff an interface to view the resources available.
• Prepared a detailed document for analysis design and implementation of the tool using SDLC approach and modeled the logical schema using the Enterprise Architect design software
• Designed the database and integrated it with JSP based web interface
• Hosted on Tomcat web server.
• Incorporated the features to reserve, cancel and view the currently available resources.
• Unit tested and system tested the application.

Environment: J2EE, JSP, Servlet, Java bean, JDBC, JavaScript, SQL Server2000 and Windows 2000