SUMMARY

• 7+years of WebLogic Administration experience combined with implementation and support of application server (Oracle Weblogic Application Server 8.x/9.x/10.x/11g/12c), webservers and servlet engines hosted on different platforms Unix, Sun Solaris, Red hat Linux and Windows starting from Development to Production.
• Expertise in handling all the aspects of administration such as day - to-day site Monitoring and Maintenance, Installation, Configuration, Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance of WebLogic Server instances.
• Worked on Deployment of applications in WAR, JAR and EAR formats in Domain and Clustered environments of WebLogic Server.
• Vast experience in deploying applications (JAR, WAR, RAR and EAR) and related troubleshooting in clustered environment using Admin console and WLST scripts.
• Install servers and configure Clusters, Node Managers, LDAP users, connector Modules, JDBC Connection pools, Data sources, JMS servers.
• Experience in configuring Node Manager to start and stop managed servers from admin console.
• Experience in configuring Persistent stores, JMS servers, system modules, sub deployments, connection factories, topics and queues for JMS Messaging.
• Configured Wily Introscope to monitor WebLogic managed server instances in production.
• Implement and enforce Application security; authentication (Setting up user accounts to control logins to the Application), authorization (setting permissions on various parts of the application), and auditing.
• Develop and test storage strategies and disaster-recovery plan for operational Application, delivering solution that guarantee recovery and high availability.
• Good at WebLogic Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly.
• Extensive working experience in setting up WebLogic cluster environment, including WebLogic Domains, Admin Servers, Managed Servers and Node Manager. Cluster Configuration Single Cluster, Multiple Clusters and Deployment over clusters.
• Worked on Unix Command line utilities and has hands on experience on Unix commands to support the Environment.
• Strong knowledge in Clustering EJB objects, JDBC connections and JMS connection factories, queues and topics.
• Experienced in Clustering (both horizontal and vertical), Workload management, creation and maintenance of Domains, Nodes and Managed Servers instances in a Weblogic environment.
• Expertise in migration and upgrading of WebLogic Server and updating JDK versions and installing Service Packs of WebLogic server.
• Worked closely with multiple support teams such as the QA testing team for performance/ load/ stress testing of applications and monitoring/tuning the application parameters and acted as a single point of contact with third party vendors for errors and bug fixes within the product.
• Extensive working experience on clustering, performance tuning (JVM options, Load Runner) load balancing,connection pool, multi pool, JMS message Queue and Monitoring.
• Experience in Setting up and configuring Active Directory Authenticators via Web Logic Admin console.
• Created SSL and Digital Certificates for requesting, generating and implementation for the communication between web server and the Application Server.
• 24X7 on call production support, technical support, and troubleshooting, problems related to oracle Weblogic Server.

TECHNICAL SKILLS

Application Server: Oracle WebLogic Server 8.X, 9.X, 10g, 11g and 12c, JBoss and SOA suite 11g, Oracle Service Bus (OSB),BEPL.

Operating Systems: Red Hat 5/4/3, Windows 2000 Server/XP/2003/2008,Solaris 10.x/9.x/8.x AIX 5.3, HP-UX 11.11.

WebServers: HTTP Server, IIS, Apache HTTP Server, Sun One Web Server.

Database: DB2, SQL server, MS Access, Oracle 9i, Oracle 10g,Oracle 11g, MySQLProgramming Languages C, Java, SQL, PL/SQL,Perl, Jython,WLST (Weblogic Scripting Tool), UNIX Shell scripting.

Technologies: JSP, Servlets, JMS, EJB, JDBC, Web Services,Java/J2EE Tech Applets, Servlets, J2EE (1.4/ 1.5/1.6), J2SE, JSP, JNDI, JMS,, JDK 1.1/1.2/1.3/1.4/1.5/1.6/1.7 , JSDK2.0, AWT.

Protocols: TCP/IP, HTTP, HTTPS, FTP, SNMP, SMTP, Telnet, DNS, SOAP

Security Tools: LDAP Server and SSL Certificates.

PROFESSIONAL EXPERIENCE

Weblogic Administrator

Confidential -Texas

Responsibilities:

• Installed Weblogic Application server 10.1/11g,12c using graphic and silent mode and configured the Weblogic domain.
• Involved in migration of Weblogic servers from 9.2 to 10.3/11g version.
• Performed Weblogic server administration tasks like configuring Managed servers and setup cluster environment.
• Administered, monitored and fine-tuned Weblogic Server 10.x, 11g,12c and applications in all the environments Development, Stage and production environment.
• Configured Node Manager for running managed servers.
• Deployed various WAR, JAR, EAR applications in clustered environment.
• Installed and Configured Oracle grid control 11g and installed Oracle Enterprise Manager Management pack 11g on WebLogic servers.
• Configured and deployed applications in various work environments like Development, Test, Certification and Production.
• Monitoring error logs, fixing problems and tuning parameters on Weblogic environment.
• Experience building JMX user monitors and alerts.
• Coordinated with Development team, Network team and Data base team to troubleshoot the errors and bugs in the production servers.
• Configured Node Manager, JDBC, JMS, JTA, JNDI, and SNMP. Administered the Managed Servers in Weblogic Application Server.
• Configured Node Managers to start and stop managed servers.
• Configured Web Serverplugins for the WebLogic server.
• Installed and configured OAM(Oracle Access Manager) and OHS(Oracle HTTP server).
• Installed, configured and maintained various middleware J2EE engines, Weblogic 11g on Solaris 10, Linux servers and test external and internal web hosting environments.
• Automated the Deployment process of various WAR, JAR, and EAR applications in clustered environment using ANT scripts.
• Used WLST to get run-time parameters. Generated and analyzed Heap dump and Thread dump. Monitored WebLogic performance using Wily Introscope.
• Configured Clustering EJB objects, JDBC connections, JMS connection factories and JMS Queues.
• Configured and administered JDBC Connection pools/multi pools/ data sources on WebLogic Sever.
• Deployed various WAR, JAR, EAR applications in clustered environment.
• Configured Clustering of EJB objects, JDBC connections and JMS connection factories.
• Implemented creation of server groups and clusters in Weblogic server.
• Performed Thread dumps and Core dumps and analyzed the results.
• Deal with troubleshooting issues like Server hang, Application Deadlock, Out of Memory, High CPU usage.
• WLST scripting to automate the maintenance process of the Weblogic Application Server.
• Log file analysis for troubleshooting to resolve issues.

Environment: Weblogic Server 10.3.x/11g/12c, JDK1.6/1.7, LDAP, JDBC, XML, Apache,OHS,Tomcat,Wily Introscope,SQL,WLST, UNIX (Solaris 8/9.0/10.0, LINUX 5), Oracle 11g.

Weblogic Administrator

Confidential - Florida

Responsibilities:

• Performed Web Logic Server administration tasks such as installation, configuration, monitoring,troubleshooting and performance tuning.
• Worked on installation, server configuration, deployment, upgrading, migration performance tuning including trouble shooting and maintenance of WebLogic Server.
• Used Ant scripts to deploy the applications like formats of WAR, JAR, and EAR in WebLogic 10.2/9.2.
• Involved in up-gradation of Weblogic Server 8.1 to 10.3.
• Configured Node manager to remotely administer Managed servers.
• Configured simple and mutual SSL certs for Weblogic Servers.
• Monitored and administered Web logic Server Instances with WLST scripting and by creating the Shell scripts for the Auto-Deploy.
• Configured WebLogic server on RHEL5.
• Worked Extensively on UNIX Shell scripting for automating the builds in QA, Development and Production Environment.
• Invoked WLST scripting and created JDBC connection pools and enrolled the node manger using WLST command line.
• Installed and upgraded Apache 2.2 version and implemented the proxy plugin for the Weblogic 10.2.
• Configured Global and Admin Authenticator in the Weblogic console. configured JMS servers, jdbc resources, distributed queues, connection factories and foreign jms servers.
• Configured the Realms, rules and policies.
• Worked on Log Analyzer for analyzing and troubleshooting the Server Logs Configured.
• Configuration and administration of Connection pools for JDBC connections.
• Configure JNDI server as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
• Automated provisioning of an application and also deployments using WLST scripts.
• Documentation of all the scripts and also updated run book after every troubleshooting.
• Tuning of JMS servers, JMS queues and also involved with SQL tuning.
• Troubleshooted issues related to Weblogic servers.
• Developed scripts to monitor JDBC Connection Pool Status, JVM Heap Size, and JMS Messages in the Destination queues in the production environment.
• Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
• Provided active support for Load/Stress Testing, troubleshooting and performance tuning.
• Provided 24/7 on-call production support.

Environment: Weblogic Server 10.3.x/11g, JDK1.6, LDAP, JDBC, XML, Apache, SQL,WLST, UNIX (Solaris 8/9.0/10.0, LINUX 5), Oracle 11g.

Weblogic Administrator

Confidential -Texas

Responsibilities:

• Responsible for installation, configuration, troubleshooting, Deployments and maintaining WebLogic Application and Web Servers.
• Experience in writing WLST scripts for deployment, start and stop servers.
• Configured Secure Sockets Layers (SSL) for data encryption and client authentication and Two Way SSL for WebLogic 8.1/9.2 using Key tool.
• Configured Weblogic JDBC services with Oracle 8i/9i/10g, Created database pools and defined data-source for JNDI lookup.
• Configured JMS service in Weblogic for JNDI lookup.
• Developed and maintained shell scripts that facilitate the Administration of WebLogic.
• Wrote UNIX shell scripts (ksh, bash, csh) for production environment to create, update, delete, start and stop in WebLogic Admin and Application Servers.
• Troubleshoot WebLogic Application Server connection pooling and connection manager with Oracle and DB2.
• Responsible for application (EAR, WAR, EJB) deployment using console and scripting automated deployment of the applications.
• Configured Clusters, load-balancing and fail-over solutions and Web Server plugins for Weblogic application server.
• Administration of active applications, application performance monitoring, CPU utilization using wiley Introscope.
• Developed shell scripts to automate backup, automate scheduled maintenance by executing the scripts from the crontab.
• Used WLST to had an automated way of creating and managing domains.
• Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
• Configured applications in various work environments like Development, System Test and Production.
• Utilized the weblogic.Admin utility for retrieving and analyzing the Thread dump information, including the Web Logic's Server state information, license information, storing user credentials etc.
• Analyze Weblogic server log files, thread dumps, logs, configuration files, dump files and core files to identify the possible causes of the problem.
• Configured LDAP and provided support for applications.
• Deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments.
• Created SSL and Digital Certificates for requesting, generating and implementation for the communication between web server and the Application Server.
• Actively involved in co-ordination efforts to integrate various enterprise applications involving multiple architectures and technologies by working with development and QA teams.
• Work with vendors and developers for application related issues, Responsible for 24/7 server and environment availability and monitoring.
• Configure Proxy Plug-ins Between Apache, SunOne (iPlante) and Weblogic Server for Load Balancing
• Troubleshooting the connection pools and performance tuning the connection pools and datasources.
• Monitoring the startup logs for any exceptions or errors. Performing regular health checks for the servers in the UAT and Production environments.

Environment: Weblogic Server 10.3.x, JDK1.5, SSL, JDBC, Apache, WLST, UNIX (Solaris 8/9.0/10.0, LINUX 5), Oracle 10g.

Weblogic Administrator

Confidential 

Responsibilities:

• Performed Web Logic Server 8.1/9.x administration tasks such as installation, configuration, monitoring and performance tuning.
• Administration & Deployment of end to end systems. (Development,QA, Performance, stage, and Production.)
• Performed J2EE application deployment and administration including JAR, WAR, and EAR files.
• Configure and administered of JDBC, JMS, JNDI, SNMP in WebLogic Server 8.1.
• Installed, configured and administered BEA WebLogic Server 8.1 in various environments
• Maintained the applications among Web Logic run-time processes in a cluster of application servers.
• Involved in configuration and Integration of Aapache Server with WebLogic.
• Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality.
• Installed and configured Apache web server in the weblogic environment.
• Involved in Performance tuning of Web Logic server with respect to heap, threads and connection pools.
• Troubleshoot Web Logic Server connection pooling and connection manager with Oracle, DB2.
• Configured and administered of JDBC, JMS in WebLogic Server.
• Installed and configured Apache HTTP server 2.0 to work with WebLogic Server 8.1/9.0.
• Configure Node manager for administer the Managed servers.
• Configure and administered Connection pools for JDBC connections.
• Configure LDAP using Netscape directory Server for user authentication.
• Used Config wizard and Config builder extensively to create and manage WebLogic domains.
• Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
• Involved in doing a performance benchmark of WebLogic server by using Loadrunner.
• Application's migration of WebLogic server from previous version 7.0 to 8.1 version.
• Configured and deployed applications in various work environments like Development, System Test, SIT,RTB and Production.

Environment: Weblogic Server 8.1/9.2, JDK1.4/1.5, SSL, LDAP, JDBC, XML, Apache HTTP, WLST, UNIX, LINUX4, Oracle 9i/10g.