SUMMARY

• Over 7+ years of experience in the administration, development and deployment of software created using state of art cutting edge technologies like Java, OOAD and software design patterns.
• Experience in Middleware applications administration which includes Designing, Installation and Configuration, Clustering, Deployment and Troubleshooting of WebLogic 12.x/11.x/10.x/ along with other web/app servers like Apache, Sun One (iPlanet), IIS, IBM HTTP Server.
• Experienced with different operating systems including Red Hat Linux, Sun Solaris, AIX and Windows (98, NT, 2003 and 2008). This includes installation and administration of Windows NT and Linux Systems.
• Experienced in creating, configuring and tuning domains, managed servers, node mangers in WebLogic application server for performance including troubleshooting and maintenance.
• Worked on Oracle Service Bus 10gR3 for connecting, mediating, and managing interactions between services and applications to implement SOA architecture.
• Involved in Planning and building PROD/DR for all the applications build on Weblogic 10.3, Weblogic ESB (enterprise service bus) and Apache 2.2.
• Well versed with deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments.
• Used Nagios and Wily as monitoring tools and SOAP UI for testing purposes.
• Involved in POC analyses of ITCAM for Weblogic/J2EE/Web Services Monitoring and reporting toll.
• Experience in up gradation of WebLogic servers in development, testing and production environment and applying patch and service packs.
• Strong knowledge of server performance tuning involving Core Dump Analysis, Thread Dump Analysis and Memory leaks to analyze the uneven server crashes.
• Well versed with JMS Configurations - Topic/Queue, JMS Server, Connection Factory, Foreign JMS server, Message Bridge, Distributed destinations.
• Expertise in writing scripts to handle complex automation/administration using Shell scripting.
• Expertise in configuring WebLogic Plug-ins for Apache Web Server and configured load balancing and fail-over solutions.
• Experienced in 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.
• Configured Horizontal and vertical Clusters, EJB objects, JDBC connections and JMS connection Factories.
• Experienced with monitoring and analyzing resources, Standard logs, application logs and domain logs.
• Expert experience in WLST, ANT scripting to automate and monitor the WebLogic routine tasks.
• Well versed with troubleshooting environment and application issues using WLS support patterns as the standard methodology and provide root cause summary to application stakeholders.
• Expertise in Managing and Monitoring the JVM Performance by adjusting WebLogic heap size and garbage collection parameter and tuning JVM heap size to maximize the number of clients accessing the applications.
• Expertise in using WLST in creating scripts for various activities like Generating Server Status and Health reports, Deployments, creating WebLogic domains on a large scale, configuring servers.
• Extensive experience in Deploying different applications likeWAR files, EJB jars files and enterprise application archives (EAR) on WebLogic using various deployment tools (Console, weblogic, Deployer, and WLST).
• Experienced working with Java based XML applications.
• MonitoringHealthofWeblogicServersinProduction.
• Experienced in Installing and Configuring external LDAP Servers using Netscape and Sun ONE directory Servers for user authentication.
• Strong programming experience in J2EE 1.4, J2SE 1.4, JDK 1.5/1.6, J2EE technologies - Applets, Servlets, JSP, JDBC, JMS, Java Mail, JNDI, RMI, EJB and XML.
• Experience in 24X7 on-call production support and troubleshooting problems related to WebLogic, jboss Application Server and Database, in Managing security, organization and remote computing issues.

TECHNICAL SKILLS

Application Servers: Weblogic,Tomcat, Apache, iPlanet, Java Web Server, jBoss.

Web Servers: Apache2.x, iPlanet6.x, IIS 4/6.0, Apache-Tomcat 5.x/6.x, SunOne

Java Technologies: Servlets, Applets, JSP, JDBC, EJB 2.0, JMS, JMX, JNDI, JTA and RMI.

Operating Systems: Sun Solaris, Red Hat Linux, AIX, Windows NT/2000/XPHP-UX.

Databases: Oracle 8i/9i/10g/11g, MS SQL Server 2004/2008, DB2, Sybase, MS Access.

Languages: Java, C++, C, SQL, PL/SQL.

Web Languages: JSPs, HTML, DHTML, XML, Ajax.

Scripting: Shell Scripting (Korn/Bourne/Bash), Make scripts, ANT Scripts, WLSTPerl, Jython, Python.

Protocols: TCP/IP, HTTP, HTTPS, FTP, SNMP, SMTP, Telnet, DNS, SOAP.

Security tools: LDAP Server and SSL Certificates, SiteMinder.

Third Party tools: Wily Introscope, Load Runner, Grinder, JMeter, Win Runner, SamuraiSitescope.

PROFESSIONAL EXPERIENCE

Confidential, Atlanta,GA

Sr. WebLogic Admin

Responsibilities:

• Installed, Configured and Administered Weblogic 10.x/11g and 12c Web Servers such as Apache.
• Worked on Building Weblogic 10.x/11g Network Deployment DEV/QA/PROD environments with all the new flexible management features Weblogic 10.x/11g is offering.
• Application deployment (WAR, JAR, EAR) using different methods like Auto Deployer, ANT Scripts, WLST, Weblogic admin console..
• Involved in Upgrade process from Weblogic 9.x/10.x to Weblogic 11g.
• Deployed applications into Portal and created portal desktops and user profiles and extensively worked on entitlements of portal.
• Performed QA, Integration, Staging & Production releases of application packages, server and application configuration changes and patches to the middleware components.
• Involved in configuring the Weblogic load balancing utilizing Weblogic Workload Management (WLM) including horizontal scaling and vertical scaling.
• Deployed applications on multiple Weblogic Server instances maintaining Load Balancing and High-Availability
• Involved in System Integration, Quality Assurance, application Load Testing and performance monitoring.
• Monitoring the error logs, fixing the problems and tuning parameters of WebLogic and JBoss 6.X environment.
• Oracle Service Bus 10gR3 for connecting, mediating, and managing interactions between services and applications and proxies.
• Provided 24x7 production supports for applications on systems running the fore mentioned middleware products on Linux and Solaris OS.
• Interacted with development teams and third party support personnel for quick and effective issue/case resolution and patch implementations.
• Created SSL and Digital Certificates for requesting, generating and implementation for the communication between Web server and the Application Server.
• Installed and configured Wily Introscope 6.0 integrated it with the Weblogic Server Resources like EJBS and Managed Servers.
• Performance tuning of JVM heap size, garbage collections, Java stack and Native thread and production performance.
• Configure Clustering EJB objects, JDBC connections, JMS connection factories, JMS modules, servers and File stores& Store And Forward Agents.
• Developed ANT build scripts, UNIX shell scripts, SQL/PLSQL, and auto deployment process.
• Gained Knowledge on VMware ESX virtual machines, Sun Enterprise & Sun Fire and Dell Power Edge series servers.
• Collaborating with other teams to get a full picture of the application environment and any bottlenecks or issues in that environment, including networking (firewalls, load balancers, routers), VM administrators and systems administrators.

Environment: Weblogic 10.x/11g/12c, Linux, Apache Web server, Sun Solaris 9/10, Nagios, Wily, Splunk, IPcenter, Remedy, SOAP UI.

Confidential, Milwaukee, WI

Sr. WebLogic Admin

Responsibilities:

• Installed, configured and administered on Oracle WebLogic Server 9.2/10. X in across environments on Red Hat Linux 5.x, Solaris 10.
• DailyjobexecutionsinProductionServers,oncallsupportforproduction.
• Creation/modification of existing/new SHELL, WLST and ANT scripts for monitoring and atomization of environments.
• Implemented Vertical and Horizontal Clustering, Performance tuning and trouble shooting of Weblogic Application Server 9.x/10.x
• Involved in POC analyses of ITCAM for Web Sphere/J2EE/Web Services Monitoring and reporting toll
• Worked on upgrading the WebLogic 9.2 version to 10.3 version.
• Performance monitoring by observing JVM Heap Size on regular intervals and invoking JAVA Garbage Collector to free up JVM Heap memory.
• Installed and configured Apache, SunOne/iPlanet plug-ins for WebLogic and JBoss5.x.
• ExpertincreatingandconfiguringofclusteredandnonclusteredWebLogicserverdomains.
• Deployedapplicationsonmultiple WebLogicserver instancesmaintaining LoadBalancing and High-Availability.
• Apache Weblogic Plug-in configuration and setting up proxy server.
• Creation of development environments for developers Shell scripts and source code management systems (Clear Case).
• Administration and monitoring of WebLogic admin and managed servers.
• Shell scripting to automate the maintenance process of the WebLogic server and recover the backed-up WebLogic configuration.
• Log-file analysis (troubleshooting) to resolve issues using scripts.
• Creation of SSL and Digital Certificates for requesting, generating and the implementation of the communication link between the web server and the application server.

Environment: JRockit/JDK 1.5/1.6, J2EE, JSP, Servlets, EJB, LDAP, JDBC, JMS, XML, Oracle9i, WebLogic Server 9.2,10.3.3, JBoss 5.x, Sun Web server 6.1, Apache2.2, Apache Tomcat 6.0, Ant 1.5.1, MySQL 4.1, IBM Lotus Notes 7, Win2K, Solaris10, Wily Introscope 7.2, HP UX, Red Hat Linux 5.x.

Confidential, Chicago, IL

WebLogic Administrator

Responsibilities:

• Part of the team responsible for Load, Stress and Performance testing. Responsible for implementing Performance Engineering Load Runner based infrastructure, including
• Installation and configurationofWebLogicServer9.x/10.x in different environment like dev, prod and stagingandpre productionenvironments.
• Deployed applications on multiple WebLogicserver instancesmaintaining LoadBalancing and High-Availability.
• Creation of development environments for developers Shell scripts and source code management systems (ClearCase).
• Development of infrastructure, Installation and support ofSystem,Test, UAT, Staging and ProdEnvironments.
• Configured JNDI server as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
• Troubleshot emerging application issues i.e. WebLogic configuration to code issues·.
• Extensively involved in performance tuning and monitoring of various applications.
• Detailed exposure and working knowledge of MQ series Messaging Service.
• Expert in setting up, configuring of Foglight and Qpasa monitoring tools.
• Installation, configuration and maintenance of iPlanet 6.1.
• Weblogic Plugin configuration and setting up proxy server.
• Weblogic log archivalsandApachelogarchivalsinProduction.
• Installing, Upgrading and maintenance of Package Installations in development, UAT, Pre-Prod and Production environments
• Plan, coordinate and execute maintenance/feature release installations.
• Configured and administered site minder for various applications.
• Performance and fine-tuning of the domain’s application services.
• Creation of development environments for developers Shell scripts and source code management systems (ClearCase).
• ProductionShellScriptsEnhancements.
• RequirementgatheringforWeblogicmigrationinUAT/StagingEnvironments.
• Configured Apache to act as a proxy server for backend WebLogic and Tomcat application servers.
• ResponsibilitiessupportingProductionandNonProdEnvironment.
• Administration of active applications, application performance monitoring - recycling the application server including installation of plug-ins for iPlanet (Sunone 6.1) Webserver.
• Administration and monitoring of WebLogic admin and managed servers.
• System/Applicationresourcemonitoringandtroubleshooting.
• Shell scripting to automate the maintenance process of the WebLogic server and recover the backed-up WebLogic configuration.

Environment: Sun Solaris 2.8, Red Hat Linux ASEE, Windows AS2K, LoadRunner 8.x, Oracle, SQL Server, Weblogic, SunOne web server, iplanet web server..