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Java/j2ee Developer Resume Profile

Rockford, IL

Objective:

Around 6 years of diversified experience in IT Industry inclusive 5 years of experience in Middleware Administration, I am seeking a position within an organization as a WebLogic Administration and Client/Server Application Development.

Professional Summary:

  • Dedicated and hardworking professional having around 6 years of IT industry experience in the field of Client/Server Applications and Middleware Server Administration.
  • 5 years of industry experience in BEA Weblogic Application server 9.x/10.x ,11gadministration under heterogeneous environments like UNIX, RHEL, SUN Solaris 8.0, 9.0, 10.0, IBM AIX and Windows NT .
  • Excellent working knowledge of Operation Production Support with large mission critical systems in multiple technologies and platforms including WebLogic, Apache, JBoss, WebSphere, UNIX, Windows NT, and Oracle.
  • Extensively worked on BEA WebLogic 9.x, 10.x,11g Server, Apache http Server, Apache Tomcat Server as administrator for Server Installations, Configuration, Application components deployment, performance tuning including troubleshooting and maintenance.
  • Installed and configured WebSphere Application Server 6.0.
  • Provided 24x7 on call support in production environment on rotation basis.
  • Excellent working knowledge in configuring multiple Weblogic domains including machines, manage servers, node managers and cluster environments.
  • Deployed various WAR, JAR, EAR and J2EE applications on managed servers and in clustered environment using Console or auto deployment scripts in stage and production.
  • Configured and administered JDBC Connection pools and JMS Connection Factories and implemented other services like JNDI and SNMP.
  • Expertise in migration and up gradation of Weblogic Server and updating JDK versions, applying patches and installing service packs for Weblogic server.
  • Excellent working knowledge in finding Memory Leaks and adjusting JVM Heap Size and Garbage Collector parameters during performance monitoring and performance tuning of WebLogic server.
  • Extensive hands-on experience in setting up multiple clusters and implementing Load Balancing, High Availability and Failover functionality.
  • Configuration of WebLogic proxy plug-in and applications on servers like Apache 2.0 HTTP Server, Apache 2.2 HTTP Server ,Apache TOMCAT 5.x, 6.0 and Sun One Iplanet 6.0 , 7.0.
  • Extensive experience in configuring and managing secured environments using SSL and digital certificates.
  • Installed and configured Wily agent, Wily enterprise manager and Introscope Workstation and provide application monitoring and measurement using Wily Introscope, HP OV.
  • Experience in creating and running cronjobs for scheduled jobs.
  • Developed startup and shutdown scripts for the Weblogic servers.
  • Configured weblogic JDBC connection pools with databases like Oracle 9i/8i, My SQL, MS SQL Server, MS Access and DB2.
  • Experience in developing web based applications using JDK 1.3/1.4/1.5/1.6, JAVA/J2EE, Applets, Servlets, JSP, RMI, EJB's, HTML, XML, JavaScript and JDBC.
  • Coordinated with Oracle/BEA to resolve issues related with BEA WebLogic products.
  • Excellent problem solving skills with a strong technical background and good communication and interpersonal skills. Self motivated and a good team player.

Technical Skills:

Web/Application Servers: BEA WebLogic Server 9.x/10.x ,11g, Apache Server 2.0.x/2.2.x, JBoss Server 3.x/4.x/5.x, Tomcat Server 5.5/6.0, Sun ONE/iPlanet 6.0/7.0.Development technologies: Languages: C, C , Java, Visual Basic, ASP, SQL, PHP, HTML, XML/XSL and PL/SQL. J2EE Technologies/Services: J2EE, EJB, Struts, JMS, Applets, Servlets, JDBC/ODBC. Scripting Languages: WLST, JavaScript, Shell Script, Python and Perl Tools: Samurai, Wily Introscope, Remedy/PAC2000, LoadRunner, JMeter Databases: Oracle 8i/9i/10g/11i, DB2, Sybase, Point Base, MySQL, SQL server and MS Access Protocols: TCP/IP, FTP, SSH, RDP, SMTP, SOAP, SOA, HTTPS and HTTPS

Operating systems: UNIX, Linux, AIX, Solaris and Windows NT/2003/2008.

Professional Experience

Confidential

Role: Java/J2EE Developer

Responsibilities:

  • Installed, Configured and administered Oracle WebLogic Server 10.0 MP1,10.0 MP2, 11g and Webservers like iPlanet/Apache in Development, Test and Production Environments.
  • Deployed applications WAR, JAR and EAR using WLST, Anthill
  • Maintained Load balancing, high availability and Fail over for the servers
  • Installed and Configured iPlanet/Apache Plug-ins for WebLogic.
  • Installed and configured Siteminder for Sunone.
  • Configured and created JMS queues topics ,Connection Factories, Datasources, connections pools multi connection pools.
  • Extensively involved in Tuning the server.
  • Set up Secure Sockets Layer SSL communication between iPlanet and the WebLogic Application Server.
  • Writing various posting scripts for log rotation, log analysis.
  • Migrated WebLogic Server applications from existing version 9.2 to 10.0 MP2.
  • Involved in performance tuning of JVM and used Garbage collection Algorithms for better performance.
  • Monitor and managing the weblogic server instances using WSLT and also for the automation purpose.
  • Involved in trouble shooting and fixing day-to-day problems of the applications in production, production-Fix and testing environments.
  • Configured LDAP using directory Server for user authentication
  • Installed BEA patches using Smart Update tool, and troubleshooting application and post- installation issues.
  • Provided 24x7 on-call support for production / non production environments.

Environment: WebLogic server /9.2/10.0,11g MP2,HPserver automation tool , J2EE,Apache 2.2, Sunone,Sun Solaris, RedHat Linux 6, Anthill, Oracle 10g, MQ client 6.0, Wily7.2.5/8.2.3,Remedy, Jms, JRockit , WLST.

Confidential

Role: Middleware Administrator

Responsibilities:.

  • Installed GUI, Silent, Console mode , configured and administered WebLogic Server 9.x/10.x in RedHat Linux and Sun Solaris environments.
  • Extensive working experience in setting up multiple domains, including machines, managed servers, node managers and cluster environments.
  • Installed and Integrated WebLogic with Proxy servers Apache and iplanet and Authentication policy servers Site minder 5.5 and 6.0 .
  • Installed and configured WebSphere Application Server 6.0.
  • Provided 24x7 on-call support for production / non production environments.
  • Worked on Tuning the Weblogic Application Server, Applications and WebServers by changing the Heap Size parameters and tuning JVM's Garbage Collector.
  • Involved in the migration of applications from WebLogic 9.x to WebLogic 10.x.
  • Worked on monitoring tools like HP Openview, wily introscope.
  • Configured Node manager for administering the managed servers in Weblogic.
  • Configured and administered JDBC, JMS, JNDI, objects in Weblogic Server 9.x, and 10.x.
  • Created SSL and Digital Certificates for requesting, generating and implementation for the communication between web server and the Application Server.
  • Involved in documentation of environment.
  • Deployed the applications on multiple Weblogic Server instances and maintained Load balancing, high availability and Fail over for the servers.
  • Modified existing scripts for automating deployment and administration tasks for recycling the application server, deploying customer applications, logs rotation, monitor applications.
  • Up gradation of WebLogic servers in development, testing and production environment and applying patches.
  • Troubleshoot hardware and software problems, and interact with IT staff or vendors in performing complex testing, support and troubleshooting functions.

Environment:JDK,JRocket,J2EE,JMS,MBeans JMX ,BEAWebLogic9.2,10,WebSphere6.0,BMC patrol,Jython,HpOV,SiteMinder 5.5/6.0,Tomcat 5.5, WLST, CVS,Sun One 6.0 iplanet , ECM, Apache,RedHatLinux 5, Sun Solaris 9.

Confidential

Role: WebLogic Administrator

Responsibilities:

  • Install, configure and administration of Bea WebLogic Server 9.x in various environments.
  • Installed and configured proxy server iPlanet .
  • Deployed the applications, formats of WAR, JAR and EAR in WebLogic 9.x.
  • Configured and administered JDBC, JMS, JNDI in WebLogic Server 9.x.
  • Deployed the applications on multiple WebLogic Servers and maintained Load balancing, High availability and Failover functionalities.
  • Configured Clustering EJB objects, JDBC connections and JMS connection factories.
  • Configured Node manager for administer the Managed servers.
  • Configured and administered WebLogic server with Oracle9i/10g database.
  • Used WLST to had an automated way of creating and managing domains..
  • Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
  • Configure and administered Connection pools, multi connection pools and Data Source for JDBC connections.
  • Configured applications in various work environments like Development, System Test and Production.
  • Troubleshooting multicast issues using Weblogic Java Utility Multicast Test.
  • Utilized the weblogic.Admin utility for retrieving and analyzing the Thread dump information, inding the Web Logic's Server state information, license information, storing user credentials etc.
  • Troubleshooted emerging application issues, from WebLogic configuration side.
  • Setting up the SSH keys for different application user ids for automating tasks from remote boxes.
  • Developed UNIX shell/WLST scripts and auto deployment process.
  • Involved in documentation of environment using Visio tool.
  • Applied the patches to the WebLogic servers.

Environment: JDK1.4/1.5, JSP, Servlets, EJB, JDBC, JMS, Oracle9i/10g, WebLogic Server 8.1 SP5/9.2 MP2, Python, SSL, iPlanet , WLST, Wily Introscope, Solaris,IBM AIX 5.3.

Confidential

Role: Weblogic Administrator

Responsibilities:

  • Performed WebLogic Server administration tasks such as installation, configuration, monitoring and performance tuning.
  • Involved in WebLogic 9.0 upgrade, JVM upgrade, JDK upgrade.
  • Installed and configured Apache HTTP server 2.0 to work with WebLogic Server 9.0.
  • Created bash and ksh scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and ran them as cronjobs.
  • Configured custom execute queue in WebLogic 8.1.
  • Deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
  • Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on WebLogic Server 9.0.
  • Troubleshooting WebLogic Application Server connection pools and connection manager with Oracle 9i.
  • Monitoring error logs, fixing problems and tuning parameters on Weblogic environment.
  • Configured and setup Secure Sockets Layers SSL for data encryption and client authentication.
  • Set up WebLogic domain with a single server instance for developers on their windows machines
  • Configured and deployed applications in various work environments like Development, Test, Certification and Production.
  • Developed scripts to monitor JDBC Connection Pool Status, JVM Heap Size, and JMS Messages in the Destination queues in the production environment.
  • Provided active support for Load/Stress Testing, troubleshooting and performance tuning.
  • Provided 24/7 on-call production support.

Environment: WebLogic server 9.0, JDK 1.3 J2EE, JDBC, Apache HTTP server 2.0, Oracle 9i, MQ series, Solaris, SVN, Windows NT

Confidential

Role: Java/J2EE Developer

Responsibilities:

  • Involved in the design of the applications using J2EE. This architecture employs a Model/View/Controller MVC design pattern.
  • Implemented MVC architecture using Struts 1.1 in terms of JSP and Servlets.
  • Responsibilities involved developing of Action Classes, Form Beans and JSPs.
  • Written Enterprise Java Beans EJB to implement business logic.
  • Development entails usage of J2EE technologies like Struts, JDBC and JBoss Application Server.
  • Written JavaScript for validation of page data in the JSP pages.

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