Manager System Administrator

Professional Summary

Seeking a challenging and rewarding career in Weblogic administration

as professional where I can contribute my knowledge and skills for growth

and development of the organization.

Expertise:

> Having 3.5 years of rich Professional experience in Weblogic

Administration and providing support for Production, Testing and

Development environments.

> Installing and configuring the BEA Weblogic Application Server

10.3/9.2/8.1.

> Extensive experience in Weblogic Administration, Monitoring,

Troubleshooting and Maintenance on Weblogic Servers.

> Extensively worked on JDBC Driver, Node Manager, JVM Memory Tuning,

Clustering and Load Balancing, Multicast/Unicast, Session Replication,

Proxy Plug-in, Deployments, Generic Hang/Crash, Deadlock, HIGH CPU

issues.

> Worked with connection pooling, JMS message Queue and Monitoring.

> Provided infrastructure support for development team, testing teams,

and production environments and implemented fixes in QA and Production

environments.

> JDBC, JMS configurations and troubleshooting in case of any issues.

> Experience in Installation and Configuration of Apache Web Servers.

> Having Experience in Linux Commands.

> Configure Clustering and troubleshooting issues.

> Configuring SSL Certificates in Weblogic server.

> Knowledge in finding the Memory Leaks and adjusting the JVM Heap Sizes

and GC Parameters.

> Having Experience in JVM Performance Tuning.

> Extensive Experience in solving the client's production issues and

provides the solutions for client's production critical issues.

> Experience in collecting thread dumps for troubleshooting issues and

resolved them through tools like SAMURAI.

> Handling tickets within agreed SLA.

> Used Thread Dumps when issues arose in Weblogic, and analyzed the

thread dumps and communicated with developers to solve the issues.

> Patch installation and Upgrading the Weblogic Application Server.

> Attending pre and post review meetings for Deployment plans.

> Involved in 24/7 on-call support for production environments.

Technical Summary:

Operating system : UNIX, Linux and Windows.

Web Servers : Apache2.2.

Application Server : Web Logic Server 8.1/9.2/10.3.

Monitoring tools : Samurai, Putty and WinSCP.

Ticketing Tools : BMC remedy.

Database : Oracle.

Experience:

> Working With CTS - Cognizant Technology Solutions, Bangalore as

Weblogic System Administrator from Nov 2013 to Till Now.

> Worked for Marfic Software Solutions, Bangalore as Associate Software

Engineer from Mar 2011 to Oct 2013.

Academic Profile:

> MCA (Master of Computer Applications) from Osmania University in 2010

Hyderabad.

Professional Experience:

Current Project:

Client : S & P, USA

Organization : Cognizant Technology Solutions, Bangalore.

Role : Web logic System Administrator

Servers : Weblogic 10.3.5, Apache 2.2.

MOM : JMS

Tools : Samurai, Putty, WinSCP.

Contribution:

As a Team Member, is responsible for:

> Installing and configuring the BEA Weblogic Application Server

10.3/9.2 on various environments.

> Deployed applications like WAR, JAR, and EAR in Weblogic Server.

> Analyzing the Log Files and resolving the issues.

> Integrating HTTP Apache Http plug-in with Weblogic Servers.

> Involved in troubleshooting various issues in development, testing and

production environments.

> Performing Weblogic Server hanging and Crash issues.

> Finding the Memory Leaks and adjusting the JVM Heap Sizes and

configured and worked to detect memory leaks.

> Daily monitoring the Servers health check.

> Managing and Monitoring the JVM performance by Weblogic Heap Size,

garbage collection, JDBC Pools.

> Patch installation to the application server.

> Took Thread Dumps when any issues come in Weblogic, analyzed the

thread dumps and communicated with developers to solve the issues.

> Created the connection pools, various data sources, JMS, Queues and

topics.

> Checking its CPU usage the finding the cause and resolving the issues.

> Analyzing the Weblogic thread dump using SAMURAI, JVM GC verbose logs,

server logs, and various subsystems debug logs.

> Involved in 24/7 on-call support for production environments.

Previous Project #:

Client : CITCO, Europe.

Organization : Origin ITFS Pvt Ltd, Bangalore.

Servers : Weblogic 10.3, Apache 2.1

MOM : JMS.

Tools : Samurai, Putty and WinSCP.

Contribution:

As a Team Member, is responsible for:

> Involved in the installation of Weblogic Server.

> Setup and configured Weblogic Clusters.

> Deployed applications like WAR, JAR, and EAR in Weblogic.

> Configuring and administering JDBC, JMS and JNDI in Weblogic Server.

> Deployed applications on multiple Weblogic Server and maintained Load

balancing, high availability and Fail over functionality.

> Configure Clustering, JDBC connections and JMS.

> Configure Node manager to administer Managed servers.

> Patch installation and Upgrading the Weblogic Application Server.

> JVM Performance Tuning and Troubleshooting issues related to

Performance.

> Managing and Monitoring the JVM performance by Weblogic Heap Size,

garbage collection, JDBC Pools.

> Daily monitoring the Servers health check

> Problem incidents analysis & plan for issue reduction over the period.

> Involved in 24/7 on-call support for production environments.

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