TECHNICAL SUMMARY:

• Experienced Middleware administrator and Java/Web Developer with 8 years' experience in middleware administration and 2 years in Java/Web development.
• 8 years' experience in setup, installation and administration of IBM WebSphere Application Server 5.0.x/6.0,6.1 Network Deployment on various UNIX flavors. AIX, Linux and Windows
• Configuration of Network Deployment for Centralized Management of Applications.
• Configuring of JDBC Providers, Data Source, Virtual Hosting, Global Security, SSL, LDAP.
• Implement Security using Role based Administration Monitor, Operator, Configurator, and Administrator .
• Experienced in Installing Upgrade Fix Packs and Migrating to latest versions.
• Working on various components of WebSphere such as Workload Management WLM , WebSphere Administration, Configuration, Tuning, Clustering and troubleshooting WebSphere related problems.
• Problem Determination through the log files and rectified the problems or interacting with IBM support to solve problems.
• Created IBM Problem Management Records PMR to report WebSphere Application Server problems.
• Worked with Scripting in JACL and KSH
• Installed and Configured WebSphere Process Server 6.2.
• Experienced with WebSphere Process Server Failed Event Manager.
• Performance monitoring using Resource Analyzer /Tivoli Performance Viewer.
• Experience in Installing, Configuring and Administering Web Servers like IBM HTTP Server1.3.2, Sun One Web Server, Apache HTTP server, and IIS.
• Expertise in Administering JBOSS environment.
• Worked as Identity Manager Administrator responsible for creating Roles, solving user issues, bulk loads and resolving issues in case of failure.
• Experienced in SecureAuth Single Sign on. Configured Single Sign On for vendors like Successfactor, ADP, healthySolutions and IBM Smart Cloud.

TECHNICAL SKILLS:

Operating Systems

Solaris 8 9, AIX4.3.3/5.1/5.2, Red Hat Linux 8 / 7.2 / 7.1 / 6.2, RHEL 3/4 and Windows NT/2000/2003 Server.

Languages

C, C , Java 2.0/1.2, VB 6.0/5.0, VC , COBOL 4.0, Pearl and Pascal

Application/Web Servers

WebSphere 6.1/5.1 / 5.02, JBoss, Netegrity SiteMinder 5.5 / 4.5, IHS 2.0.47 / 1.3.28 / 1.3.26 / 1.3, IIS 6.0/ 5.0, Apache 2.0.47, 1.3.28, Java WebServer 2.0

Databases

Oracle 9.0.2.5/ 8.1.7/7.x, SqlServer 2000 / 7.0 / 6.5 / 6.0, DB2UDB 8.1 / 7.2 / 7.1, Sybase and MS-Access 2000

J2EE Technologies

J2EE1.3/1.2, Java2.0, Servlet2.3/2.2, Java Beans, EJB2.0/1.1/1.0, JSP1.2/1.1/1.0, JDBC2.0/1.0, JNDI, RMI, Java Swing /AWT, XML, HTML, DHTML and JavaScript.

Middleware Technologies

RMI, JMS, JMX, EJB

TECHNICAL EXPERIENCE:

Confidential

Senior Middleware Admin

Responsibilities:

• Installed and configured WebSphere Application Server 6.1 on linux
• Installed Fix Packs using Update Installer.
• Configured JDBC Providers, Data Source, Security and J2C.
• Deploy code to WebSphere Application Servers and maintained applications.
• Created environment specific reference document for managing various operations.
• Created user roles and groups for securing the resources using local operating system authentication.
• Configured response file for silent install of WebSphere Base and ND
• Worked on WebSphere automation using Jacl and Ksh for application deployment and configuration that helped in minimizing the manual efforts Troubleshooting issues like hung thread, CPU utilization, Garbage Collector.
• Analyzed java cores, heap dumps and verbose GC logs.
• Troubleshooting issues related to JBOSS and involved in JBOSS certificate.
• Installed and configured WebSphere Process Server 6.2
• Worked as Identity Manager Administrator responsible for creating Roles, running reports, solving user issues like access issues, perform bulk loads and resolving issues in case of failure.
• Worked as SecureAuth Administrator responsible for configuring Single Sign On for vendors like Successfactor, ADP, healthySolutions and IBM Smart Cloud.
• Troubleshooting issues related to SecureAuth Single Sign On.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization

Confidential

WebSphere Administrator

Responsibilites:

• Troubleshooting issues like ConnectionIOTimeout, memory leaks.
• Performance tuning Connection Pooling using TPV.
• Analyzed Java Core, Heap Dumps and Garbage Collector for troubleshooting issues.
• Worked on Jacl and Ksh scripting for configuring application.
• Troubleshooting webserver and plugin issues.
• Generated http plug-in config and moved it the web servers
• Configured horizontal and vertical scalability of WebSphere to support failover mechanism and to utilize system resources to the maximum extent.
• Configured WebSphere resources like JDBC, J2C and JMS.
• Troubleshooting the connections, connection pool settings of the databases.
• Involved in assisting QA team for Load and Stress testing of J2EE applications.

Confidential

Middleware Engineer

Responsibilities:

• Worked on Web Sphere automation using Jacl, Jython and Ksh for application deployment and configuration that helped in minimizing the manual efforts.
• Worked on problem tickets PMRs with IBM Support to find effective solutions to various problems and performance issues.
• Installed and Configured IBM WebSphere Application Server 5.x/6.0, IHS
• Tuning the JVM by specifying the minimum and maximum heap size.
• Created various documents for managing different operations.
• Tuning ConnectionIOTimeout, ConnectionKeepAliveTimeout and MaxKeepAliveConnections.
• Knowledge of Coregroups. Configured Coregroup bridges and balancing of Coregroup.
• Configured JDBC, JMS and Websphere MQ resources.
• Worked with development, MQ team, Networking and SA team to get the issues resolved.
• Understanding of the concepts related to the webserver load balancing.
• Performance tuning JVM parameters, Connection Pooling and Problem determination using TPV and Wily Introscope.
• Involved in Critsit calls.
• Installed FixPack using update Installer.
• Provided 24/7 Production support.
• Worked on troubleshooting of Java applications using WAS logs, Log Analyzer, Java Dumps
• Analyzed Java core, Heap Dumps and verbose GC logs for Troubleshooting issues.
• Troubleshooting webserver issues.
• Troubleshooting communication issue between Webserver and AppServer.
• Troubleshooting Coregroup, High CPU, Memory leak and Connection Pool issues.

Confidential

Responsibilities:

• Front-end development using XML
• Used Document Object Model to manipulate object in XML.

Confidential

Java Developer

Responsibilities:

• Understanding the system requirements: Interacted with the end users to understand their requirements and expectations from the system being developed.
• From the clients input, prepared a Software Requirement Specification SRS document.
• Front End Design and Development using AWT and SWING
• Developed JDBC classes for connecting the backend with the application tier.
• Data stored and retrieved in Oracle 8.0 database.

Environment:

Java, J2EE, AWT, Swing, JDBC, HTML, Oracle 8.0, Oracle, SQL, PL/SQL