Roles of a weblogic administrator

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