Weblogic Administrator Resume

SUMMARY

Having 3.8 years of professional experience in Weblogic Administration in production environment.
Good working experience in Installation, Configuration, Performance Tuning and Trouble Shooting of Weblogic Versions 9.x/10.x(11g).
Configured and maintained WebLogic server wif JDBC,JNDI, and Data sources wif Oracle database.
Deployed applications on WebLogic Clusters and maintained Load balancing, High Availability and Fail over functionality.
Created SSL and Digital Certificates for secured communication between applications using keytool utility.
Deployed various WAR, JAR, EAR applications in clustered environment.
Automation of daily jobs, backups using shell scripts.
Involved in deploying Enterprise and Web Applications (EAR/WAR) using Administration console.
Experience in Node Manager Configuration.
Configured Data Sources, JMS Servers and Destinations (Queues and Topics).
Involved in packing and unpacking domains PACK and UNPACK command.
Used Weblogic Security realms for securing web applications and providing accessibility roles for the applications.
Involved in creating Multi - Data Sources to achieve Fail Over and Load Balancing capabilities to Data sources.
Involved in analyzing Thread Dump for Server hang, High CPU and server crash patterns.
Having good understanding on Garbage collection and Performance Tuning of Garbage collection.
Experience in Patch installation and Upgradation on Weblogic Server
Experience in taking thread dump and analyzing by using samurai tool.
Actively monitoring, quick responding and resolving system alerts generated by system
Experience in using monitoring and management tools like OEM and Console.
Experienced in WLST scripting to automate and monitor the WebLogic routine tasks.
Provided 24X7 production support wif on call on rotation basis .Strong verbal and oral communication skills.

TECHNICAL SKILLS

Application Servers: WebLogic Server 9.x,10.x,11g

Web Server: Apache HTTP Server.

Scripting Languages: Shell Scripting

Languages: C, C++, java

Operating System: Unix, Linux and Windows Server

Data Base: Oracle 10g, 11g

Ticketing tool: SM9

Tools: Putty, OEM, WinSCP, Xming, Samurai

PROFESSIONAL EXPERIENCE

Confidential

Weblogic Administrator

Responsibilities:

J2EE application deployment and administration including JAR, WAR, and EAR files.
Work closely wif the UNIX, Networking and Development groups.
Server Maintenance and log files analysis.
Managed and monitored the performance of JVM by adjusting WebLogic heap size and garbage Collection parameters.
Deployed applications on multiple WebLogic Server instances and maintained Load balancing, high availability and Fail over for the servers.
Installing Weblogic and Apache on different Platforms.
Configured and deployed applications in various work environments like Development, Test, and Production.
Weblogic Configuration & Administration on Linux.
Weblogic Clustering & Load balancing.
Ability to troubleshoot applications using Weblogic Console Monitor .
Starting, stopping managed servers, admin servers as per the monitoring status.
Performance Tuning of Weblogic Cluster.
Development servers rebuild from time to time.
Apache installation and configuration of Apache-Weblogic Plug-in.
Deployment of various applications using Administration consoles.
Deployment Archive files and Exploded Archive Directory types.
Configuration and Maintenance of Web Server Functionality for Weblogic Server.
Providing 24/7 support to Production and Non production environments.

Confidential

Weblogic Administrator

Responsibilities:

Configure and administer WebLogic Server 10.3 invarious environments.
Tuning of JVM parameters.
Performance tuning, application deployment and testing Weblogic Tools and Console.
Installing Deployments and updating them when a new update is released.
Configured Node manager to administer the Managed servers.
Analyze the issue after detailed troubleshooting of the alert and make sure dat the issues are fixed & the alerts are cleared as per SLA.
Created security certificates using certgen.class utility.
Configured SSL for webservers.
Packed only managed servers & unpacked them in remote servers.
Created JMS server, JMS modules, queues and topics for efficient messaging.
Troubleshooting an application reported by clients.
Creation of Connection Pools, Data Sources etc. in weblogic console.
Working wif clients, resolving their issues, giving the analysis of the issues
Start and stop server & Load test monitoring.
Log files analysis in development/stage environment.
Configuring Apache web server, this will redirect http request to Web Logic Server.
Documentation of regular issues.

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