Weblogic Administrator Resume
Summary:
- Over 7+ years of experience in Information Technology with extensive experience in complete project life cycle including analysis, design, implementation, integration and system testing.
- Extensive experience in WebLogic Administration, Monitoring, Troubleshooting and Maintenance on WebLogic Servers.
- Experience in WebLogic Portal & Weblogic Integration on WebLogic 10.2 and 8.1 platforms, Portal and Portlet development and deployment.
- Experience in installing WebLogic in Test and Production environments, ensuring the integrity of the certified release of software.
- Interacted with BEA WebLogic Technical Support Team in resolving the WebLogic critical issues.
- Part of BEAWebLogic Technical Support Team providing production support to various BEA customers.
- Experience in both Clustered and non-Clustered environments.
- Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
- Experience in analyzing the various server logs and thread dumps to perform Root Cause Analysis.
- Experience in scheduling and monitoring jobs through schedulers like Control-M and Autosys.
- Expertise in Handling Code Releases and Deploying applications in Production.
- Worked closely with development and testing teams to implement fixes in Testing and Production environments.
- Provided support in major Production outages and CritSits.
- Excellent design, analytical, interpersonal and communication skills.
Technical Skills:
Operating System : Windows NT/2K/2003/XP, Linux, Solaris, HP-UNIX
Databases :MS-Access, MySQL, Oracle 8/9i/10g/11g, Oracle directory Services
and Single sign-on
Languages : JAVA, C, C++, SQL, PL/SQL, VB, VC++, COBOL
Scripts : Java Script, VB Script, Shell Script
Web/Application Servers : WebLogic 10.x/9.x/8.1/7.0, Apache, iPlanet, IIS
Web Technologies : HTML, XML, Perl, JSP, JFC/Swing
GUI : Front Page, Visual Inter Dev, JDeveloper, Dreamweaver 7.0
Professional Experience:
Confidential,Chicago, IL Jan 2009 - Till Date
WebLogic Administrator/Environment Support
Roles & Responsibilities
- Involved in all administrative tasks like Installation, Configuration, Deployment, and Troubleshooting of BEAWebLogic Application Server 8.1 on Windows 2003 platform.
- Responsible for analyzing and troubleshooting all WebLogic related issues in different environments like Dev, Test, UAT, Pre-Pod and Production.
- Installed and configured the WebLogic environment from scratch. Involved in configuring admin services, Node managers, Clusters, LDAP and Global Roles.
- Developed and configured IIS to communicate with WebLogic. Configured the proxy plug-in for Failover and Load balancing.
- Experience in Installing, Configuring, and maintaining BEA WebLogic Portal 8.1.
- Used both the Apache SOAP project and the Web Services Toolkit to build web services, Web services clients using WSDL and registering the services in the UDDI Preview edition.
- Also used the new WSAD features to create and publish web services. Automated resource conf. on Weblogic server using WSLT.
- Extensively involved in Performance Monitoring and PerformanceTuning of the application server and proxy plug-in.
- Worked with the Performance Engineering team on extensive load testing in Pre-Prod environment.
- Provided support for major Prod outages and involved in bridge calls with other team members and developers for resolving the high priority issues.
- Deployed and Configured settings in WebLogic server 8.x/10.x and WebLogic Portal 8.x and troubleshooting the production issues.
- Developed, modified and executed the ANT scripts to enable automated Code Deployments and server restarts.
- Identified critical issues in Production and recommended patches upgrade.
- Contacted BEA/Oracle Support and followed up on tickets for patches and JRockit upgrades.
- Worked on integrating WLST with WLS 8.1 and scripted the build of additional servers required for scaling the application.
- Provided support during Code releases and Deployments in Production.
Environment: WebLogic Workshop 8.1/10.x, Weblogic JMS, WebLogic Portal Server 8.1/10.x, Windows 2003, JRockit R27.6, JDK 1.4.2, IIS 6.0, WLST, ANT
Confidential, Richmond, VA Mar 2008 - Jan 2009
WebLogic Support Engineer
Roles & Responsibilities
- Translate customer defined issues to technical specifications and investigate the underlying cause of it.
- Analyze the issues and provide feasible solutions to the customer in a quick turn around time.
- Work under time bound scenarios and provide effective methodologies that constitute configuring, tuning, troubleshooting, etc.
- Follow up with customers on opened tickets by analyzing the respective thread dumps and config files.
- Work across various platforms in WebLogic Server.
- Performance tuning of the servers running in Integration & UAT environments using Wily Introscope & JRockit Mission Control & fixed Embedded LDAP issue.
- Assisted customers in integrating third party products into WebLogic Portal.
- Integrated Netegrity Siteminder into WebLogic Portal to provide enterprise single sign on capabilities
- Develop test cases in order to replicate the customer issues in the corresponding environments.
- Identify product bugs and follow up with the engineering team to fix the bug in future releases.
- Provide patch releases in various WebLogic versions to customers that resolve the bugs in their respective environments.
- Provide an effective approach to certain issues which would in turn curb the future problems.
Environment: WebLogic Portal Server 10.x/9.x/8.1/7.0, Wily Introscope, JRockit/SUN JVM, JDK 1.4/1.5, SUN Solaris 8.0/9.0/10, Red Hat Linux 3.0/4.0/5.0, HP - UX, Oracle 10g/9i/8i, Apache, iPlanet, Siteminder, IIS 6.0
Confidential
Minneapolis, MN May 2007 to Feb 2008
WebLogic Administrator / Environment Support
Roles & Responsibilities:
- Installing and maintaining WebLogic application software in Development, Test and Production environments.
- Installing WebLogic Portal 8.x/9.x and creating the set up for the application in for Dev Test and Production Environments.
- Scheduling and Monitoring jobs in Control-M for Non - Production and Production environments.
- Responsible for deploying batch and web applications throughschedulerslike Control-M across clustered environments.
- Involved in Pre-Deployment and Deployment activities across all environments Dev, QA, Stage and Production.
- Responsible for ownership of environment and was accountable for maintaining a bug free Production environment during releases.
- Automation of server backups and health checks.
- Developed and maintained Cron jobs to push the required configuration files on to Apache web servers.
- Involved in partial setup of Wily Interscope 7.2, installing Wily Agent on Weblogic servers and creating dashboard for monitoring CPU usage and Weblogicstatistic.
- Developed and maintained ANT scripts for the batch applications running in Control-M.
- Maintaining the nightly build process for code check-ins.
- Handling major code releases and deploys in Production.
- Experience in Visual SourceSafe admin. Responsible for providing access rights to users and branching code from release to release.
- Maintaining Subversion trunk and branches. Responsible for maintaining user and admin accounts.
- Performed day-to-day tasks to ensure the smooth and efficient operations of the WebLogic run time environment including troubleshooting, system back up and recovery etc.
- Involved in bridge calls with other team members and developers for resolving the high priority issues in the Production Environment.
- Involved in configuring the Security using LDAP for different levels of access at the site.
Environment:WebLogic 9.2/8.1, WebLogic Portal 8.x, Apache, Wily Interscope 7.2, Windows 2000/XP, Linux, Sun Solaris, Control-M, VSS, SVN, Shell Script, ANT, PL/SQL
Confidential, NJ Jan 2006 to Apr 2007
WebLogic Administrator / Production Support
Roles & Responsibilities:
- Installing application software in Test/Production environments by ensuring the integrity of the certified release of software.
- Installing, configuring and administering WebLogic servers in a clustered environment.
- Monitor, track, update, report on Incident Records (IR's) for resolving the problems in both Production and Non-Production environments.
- Worked with the Developers and System Administrators and was responsible for setting up, configuring, supporting and managing the WebLogic 8.1 Application server on development, staging and production Environments.
- Handling major Code Releases in Production environment.
- Experience in deploying web applications and EJB applications on WebLogic servers running on JDK 1.4.
- Automation of server recycles during the night maintenance window and Health Checks.
- Configured web servers; iPlanet, Apache. Performed Load-Balancing and Fail-over.
- Performed Installations, Upgrades in WLS from 8.1 to 9.0.
- Configuring Execute Threads, Connection Pools and JMSBridges for different components of the system.
- Experience with JVM and WebLogic tuning utilizing verbose GC logs, VisualGC, JVM Stat, GC logs.
- Providing 24/7 support to Production and Non production environments.
- Writing and maintaining Shell scripts for Logs archival, taking backups, monitoring disk space.
- Documenting problem solutions, major configuration changes and system architecture changes.
Environment:WebLogic 9.0/8.1, Apache, Hummingbird NFS Maestro 6.1, Windows NT/2000, Linux, Sun Solaris, VSS, Shell Script, ANT, PL/SQL
Confidential, Mankato, MN Sept 2004 - Dec 2005
WebLogic Administrator / Support
Roles & Responsibilities:
- Involved in all administrative tasks like Installation, Configuration, Deployment, and Troubleshooting of BEAWebLogic Application Server 8.1 on Solaris platform.
- Responsible for starting up, configuring, administering and maintaining the J2EE applications as part of the enterprise\'s computing/ networking infrastructure and deploying applications.
- Extensively involved in Tuning and Clustering of the WLS 8.1 servers.
- Deployed applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality.
- Responsible for analyzing and troubleshooting all WebLogic related issues reported by the clients in different environments like Dev, Test, UAT, Pre-Pod and Production.
- Involved in full life cycle of the project, tracking bugs and fixes for diagnosing the application server problems.
- Involved in Performance monitoring and performance tuning of WLS.
- Developed, Modified and executed the ANT, SHELL scripts responsible for administration and maintenance process of the WLS.
- Involved in Configuration and Troubleshooting of iPlanet 5.1 on Solaris platform.
- Provided on call 24x7 support on a rotation basis to attend user and system calls.
Environment: WebLogic Server 8.1/7.0, iPlanet 5.1, Solaris 8, Oracle9i, ANT/ Shell Scripting
Confidential,Omaha, NE
Nov 2003 - Aug 2004 WebLogic Administrator
Roles & Responsibilities:
- Installing WebLogic and Service Packs in different environments.
- Installation, configuration and administration of BEA WebLogic in clustered and non-clustered environments.
- Monitoring tools/scripts to get important information from all of department's server's operating system and application patch level, disk space and memory usage, user's activities on day-to-day basis.
- Configuring individual servers for different environments.
- Deployed J2EE Web and EJB modules using WebLogic Command Line Deploy tool and WebLogic Admin Console.
- Configuring JDBC Connection Pools, data sources, Execute Threads etc.
- Installing and configuring Siteminder and IIS on the Intel machines.
- Used various security roles for maintaining security realms in staging and production environments.
- Used basic Perl scripting to automate the system.
- Perform File system and Application backups. Responsible for the maintenance of the application, troubleshooting applications problems on client and server side.
- Managing the User accounts and assisting users on the applications.
Environment: WebLogic Server 7.0, IIS 5.0, Unix/Linux, WindowsNT/2000, Shell/Perl Scripting, Oracle8i, Siteminder
Confidential, Mumbai, India Jan 2002 - Oct 2003Software Programmer
Roles & Responsibilities:
- Involved in Designing and developing of web pages using HTML, DHTML, and Java Script.
- Involved in developing Java Appletsfor dynamic pages.
- Involved in server side scripting using Java Servlets.
- Database Connectivity done using SQL Server as backend.
Environment: JDK 1.2, JavaScript, Servlets, JDBC, JavaWebserver2.0, HTML, DHTML, Windows NT 4.0, SQL Server.
