Roles of a weblogic administrator :Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance. Create, configure and tune weblogic domains/applications for performance Work with vendors and developers for application related issues. JDBC Connection Pool and Multipool configuration with Oracle, MySql, DB2 and SqlServer, etc. Deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments Code deployments/promotions, performance monitoring and performance tuning Upgradation of WebLogic servers in development, testing and production environment and applying patch and service packs WebLogic Administration, Monitoring and Troubleshooting using Admin Console and JMX. Cluster Configuration Single Cluster, Multiple Clusters and Deployment over clusters. WebLogic's HttpProxyServlet and HttpClusterServlet configurations Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly JMS Configurations JMS Server, Connection Factory, Foreign JMS server, Message Bridge, Topic/Queue, Distributed destinations Creating security roles, group policy, user authentication, aduting and authorization Work on Web Security tools- LDAP Server, SSL Certificates and client authentication. Node Manager Configuration remote managed server start and stop. SSL communication between admin server and nodemanager Writing Scripts to handle complex automation / administration using Shell scripting Working with WebLogic utilities - WebLogic.Admin, WebLogic.Deployer, ejbc, appc. Monitoring WebLogic server health and security. Tuning JVM heap size to maximize the number of clients accessing the applications. Installation and configuration of WebLogic Integration server 8.1 SP6 9.2 mp2 10.3 on Sun Solaris 8 and Sun Solaris 10. Configuring digital certificates, using java key tool for secured applications Automation of domain creation using WLST, ANT, and Domain Templates Configuring Web Logic Plug-ins for Apache Web Server and configured load balancing and fail-over solutions. Database knowledge using Oracle, Point base servers. Analyzing the Log Files, Thread Dumps, JVM Dumps, Exception Stack Traces Configuration of Site scope monitors for monitoring the environment Monitoring using Wiley Interoscope monitoring Monitoring thread usage, connection pool usage, CPU usage, Memory usage and preparing reports for the performance tests, dry run tests and load tests conducted on the Application Servers Unix/Solaris command line usage and shell scripting Installing weblogic server instances as windows services Monitoring and analyzing resources, Standard logs, application logs and domain logs Evaluating the WebLogic domains using BEA Guardian10.3 in Production and Pre-Production environments Experience in performance tuning for Web applications at various level by using JProbe8.1 profiling tool Troubleshoot environment and application issues using BEA WLS support patterns as the standard methodology and provide root cause summary to application stakeholders Evaluate the strength of the SSL using ssl digger Developing WLST scripts and auto deployment process Working with configuring the WebLogic Diagnostics Framework (WLDF). Configure Diagnostic modules, Collected Metrics, Configured Watches, Notifications and Instrumentation. Working with WLDF console extension. Sun One LDAP server configuration. Integrating the WebLogic with LDAP servers Patch updates using BSU, Service Pack Upgrades and Version Upgrades Security Support with SSI, SSL, DES, RSA, TDEA etc WebLogic Administration, Monitoring and Troubleshooting using Admin Console Managing and Monitoring the JVM Performance by adjusting WebLogic heap size and garbage collection parameters Monitoring the WebLogic Server using HP Site scope and SNMP agent based monitoring Deploying different applications like WAR files, EJB jars files and enterprise application archives (EAR) on WebLogic using various deployment tools ( Console, weblogic.Deployer, and WLST) Knowledge in WebLogic Portals and Jboss Configured Web Server plug-ins for Application Servers Update Bea license keys on web logic servers communicated with Bea team to reconfigure licenses and performe IP address changes Performed sanity testing on QA, Stage and Production environments after deployment. Configure and maintaine the scheduled tasks like Thread dumps, log files backup etc., Maintaine the applications among Web Logic run-time processes in a cluster of application servers Performance tuning of Web Logic server with respect to heap, threads and connection pools. Work with JProbe in-order to adjust JVM Heap Size and reduce memory leakage Involve in configuration management, software deployment, change management, performance monitoring, and application maintenance Involve in configuration management, software deployment, change management, performance monitoring, and application maintenance Generating reports for applications and platforms such as Sitescope, Peregrine, and Net Tracker