OBJECTIVE

Seeking an exigent position as a WebLogic/Jboss/Tomcat Administrator that best utilizes my skills in Application Servers

Summary:

• Monitored Third party profiling tools Wily Introscope, Jprobe, OptimizeIT.
• Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
• Extensively used WLST, Jython Script for configure various WebLogic Components/Services.
• Experience configuring LDAP using Sun ONE Directory Server for user authentication and authorization.
• Experience in installing, configuring, and, troubleshooting Tomcat on Windows and UNIX operating systems.
• Experience in Apache application server like Tomcat 6.x/7.x/8.x.
• Web Servers - Apache, MS IIS and iPlanet configured with standalone Managed Servers and Clusters of managed servers.
• Expertise in WebLogic Administration, Monitoring and Troubleshooting using Admin Console and JMX.
• Extensive experience in production environments, involved performance tuning, tweaking the JVM parameter, Threads, size of the connection pools.
• Configured JDBC Connection Pool and Multipools with Oracle, DB2 and SQL Server.
• Strong experience using Weblogic Deployer utility to deploy and unddeploy application across weblogic cluster.
• Deployed EAR, JAR, WAR and J2EE applications on Managed Servers and Clustered Environments using Console and Auto Deployment Scripts.
• Good Knowledge of TCP/IP and other network related tasks.
• Expertise in installing Oracle WebLogic Server in Console, Graphical and Silent modes.
• Hands on experience on administrative tools like Administration Console, WLST and Command line interface.
• Deploying J2EE Application archives JAR, WAR, EAR and RAR and Web-Based/E-Commerce on Web Logic Application Server and JBOSS 4.x/5.
• Extensive experience in Cluster Configuration - Horizontal or Vertical Cluster, Multiple Clusters and Deployment over clusters.
• Strong experience in configuring Node Manager to start and stop managed servers from Admin console.
• Extensive experience in creating multiple domains, setting up machine, managed server.
• Around 7 years expertise in Installation, Configuration, Trouble-Shooting and Maintenance of BEA WebLogic Server 7.0/8.1/9.x/10.x/11g, JBOSS 4.x/5, WebSphere Application Server v8.x/7.0/6.x/5.x, iplanet Web Server, Apache Web Server on different UNIX flavors and environments.
• Experience in installing JBoss 5/6 across various environment.
• Experience in configuring in installing and configuring Tomcat 5/6 across various environment.
• Experience in 24x7 on-call production support and trouble-shooting problems related to Weblogic Server.
• Very good knowledge on Windows and UNIX Administration.

Technical skills:

Professional Experience:

Confidential

Sr. Middleware Administrator/Jboss Administrator

Responsibilities:

• Weblogic Adminstrator responsible for administering Weblogic Server across multiple environments.
• Install and configure Weblogic 10 .3.6 on Red Hat Linux, Solaris 9/10 and Microsoft Windows server 2003/2008.
• Performed WebLogic server administration tasks like configuring Managed servers and setup cluster environment.
• Configured Node Manager for running managed servers.
• Experience configuring Apache HTTP Server 2.0, IIS 6 and Sun One Web Servers in various environments configured plugin's for Apache HTTP server and Sun One Web server to proxy the request for WebLogic server.
• Experience in Apache application server like Tomcat 6.x/7.x/8.x.
• Experience in installing, configuring, and, troubleshooting Tomcat on Windows and UNIX operating systems.
• Experience in Installation, configuration JBossServers 4.3.x/5.x
• Experience in analyzing the proxy server log in comparison with WebLogic logs to narrow down the malformed request.
• As JBoss Administrator, perform, monitor and manage upgrades, deployments and other changes to the servers and applications.
• Troubleshooting and fixing defects found during Application upgrades and Server Migration. Troubleshoot issues with JBoss related servers and applications as part of infrastructure team.
• Installed and configured JBoss 6.2 in local machine during JBoss 4.3 to JBoss 6.2 application server migration.
• Performed migration and up gradation tasks like upgrading WebLogic server 10.2 to WebLogic 10.3.6 and updating JDK's and installing service packs and patches for WebLogic Server.
• Support multiple WebLogic 10.3.6 Servers and J2EE applications in diversified environment.
• Upgrading JDK and tuning JDK for JVM instances' security and performance.
• Troubleshooting everyday problems and issues by interacting with developer and testing teams and provided 24x7 On Call Production support on rotation basis.
• Deployed various J2EE and enterprise applications WAR, JAR, RAR, EAR on managed servers and cluster environment and maintained Load Balancing, High Availability and Failover.
• Created bash and ksh scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and ran them as cronjobs for timely running programs Configured JNDI as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
• Configured and administered JDBC Connection pools/multi-pools/ data sources on WebLogic.
• Involved in monitoring error logs, troubleshooting and fixing the problems.
• Handled Memory issues, such as application leak, WebLogic leak and sun java bug by tuning and profiling memory with third party tools.
• Implemented security by configuring Secured Socket Layer SSL for client authentication and data encryption.
• Experience using and configuring LDAP server using Sun One Directory server for user authentication.
• Developed and run UNIX shell scripts and implemented auto deployment process.
• Solved server hang issues such as Deadlock, Application and Database level lock by taking thread dump and analyzed to get the root cause of the hang.
• Performance monitoring and JVM Heap size and EJB monitoring using Wily Introscope and Load testing using Mercury Load Runner and Jmeter with Thread and Heap analysis using Samurai thread dump.
• Performed JMS operation and MQ.
• Heap Analyzer for detecting blocking and locked threads.
• Implemented standard backup procedures for both application and WebLogic server.
• Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Server.

Environment:

Oracle WebLogic 10.2/10.3, Jboss Servers 4.3.x/5.x, JDK 1.3/1.4/1.5, JRockit 8.1, Apache 2.0, Tomcat 6.0/6.1, Sun One/ iPlanet, IIS 6, Solaris 9,10 Red Hat LINUX, Windows 2003/2008, F5 Loadbalancer, Siteminder, Oracle 8i/9i, JDBC, LDAP, EJB, JSP,JMS,MQ, Servlets, XML, OpenSSL, Secure SSH.

Confidential

Title: Sr. Middleware Administrator

Responsibilities:

• Installing and configuring WebLogic Server 10.3.6.
• Installed and Configured JBoss Application Server 4.3 on Red Hat Linux 5.5.
• Installing and configuring Concept wave Order Care Tool.
• Installing and configuring Wily agent, Splunk and Nagios in all the Environments.
• Deployed various WAR, JAR, EAR applications in WebLogic clustered environment.
• Deployed different types of applications like WAR, JAR and EAR files in Weblogic 8.x/10.x and JBoss 4.3.
• Deployed xmls and wsdls via Order Care tool into the Database.
• Responsible to administer around 4 different products deployed in 5 different stacks which all contains about 150 Physical Boxes, 12VMs and 450 JVMs.
• Making agile code releases to all the environments DEV, QA, INT, STAG, and PROD in the organization.
• Troubleshoot operational problems and issues, escalate problems to software vendors when necessary, and provide system diagnostics to vendor for problem analysis and resolution.
• Involved in assisting QA team in Load and Integration testing of J2EE applications on Application Server.
• Worked with development, offshore and onsite teams to support build and release cycles with proper documentation.
• Developed startup and shutdown scripts for the servers.
• Develop Reports on the Performance and Capacity of Supported environments.
• Develop scripts to monitor the JMS, JDBC configuration and EAR deployed in WebLogic.
• Installing of HTTP plugins for Apache, iPlanet and Microsoft IIS.
• Implementing Load Balancing for the application by scaling the existing environment and for Disaster Recovery DR .
• Performed migration and up gradation tasks like upgrading WebLogic server 10.2 to WebLogic 10.3.6 and updating JDK's and installing service packs and patches for WebLogic servers.
• Built completed DR from scratch for the existing Production environment in case of fail-over.
• Configured realms, users, groups and roles.
• Creating Firewall, DNS, GSLB and Load Balancer Tickets.
• Implemented server groups and clusters in WebLogic Server.
• Configured and setup Secure Socket Layer SSL for Data encryption and client authentication.
• Configured Node Manager for administration of Managed Servers.
• Work on migration of web applications from WebLogic to JBoss Application Server.
• Setup automation of deployment for JBoss Application Servers.
• Configure JGroups for clustering and tune JBoss Cache for session replication.
• Developed scripts for deploying applications in different environments with error handling. Troubleshooting any issues that arise during the release or deployment process.
• Documenting all errors and providing RCA.
• Experience in analyzing the proxy server log in comparison with WebLogic logs to narrow down the malformed request.
• Monitoring OSB, WebLogic and Apache logs such as Access, SSL and Application logs.
• Developed scripts to monitor JDBC Connection Pool Status, JVM Heap Size, and JMS Messages in the destination queues in the production environment.
• Coordinating the Development and Testing teams during the release process with the release team.
• Monitoring the startup logs for any exceptions or errors. Performing regular health checks for the servers in the all environments.
• Provide system administration, support, and tuning of a complex distributed environment.
• Provide preventative maintenance and proactive tuning while also working in partnership with Application Support Teams on the day-to-day troubleshooting of this environment.
• Configured and Enabled Secure Sockets Layers SSL on WebLogic servers for data encryption and client authentication via Java Keytool.
• Troubleshooting everyday problems and issues by interacting with developer and testing teams and provided 24x7 On Call Production support on rotation basis.

Environment: Oracle WebLogic 10.2/10.3, Jboss Servers 4.3.x/5.x , JDK 1.3/1.4/1.5, JRockit 8.1, Apache 2.0, Tomcat 6.0/6.1, Solaris 9,10 Red Hat LINUX, Windows 2003/2008, F5 Loadbalancer, Oracle 8i/9i, JDBC, LDAP, EJB, JSP,JMS,MQ, Servlets, XML, OpenSSL, Secure SSH.

Confidential

WebLogic Administrator

Responsibilities

• Performed WebLogic Server administration tasks such as Installation, Configuration, Monitoring and Performance Tuning.
• Deployed various WAR, JAR and EAR applications in Production and non-production Environments.
• Removing/Updating deployed applications within the application environment.
• Developed Startup, Shutdown and bounce the WebLogic server scripts.
• Installed and configured Apache web server 2.0 in all environments.
• Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on WebLogic Server 9.x.
• Created Managed Servers and Node Manager in Production Servers and Test Servers.
• Developed WLST Scripts for deploying applications in different environments using 'weblogic.Deployer' utility.
• Installed, configured and maintained JBoss Application Server.
• Configured Siteminder with Webservers. Configured F5 Loadbalancer with Webservers.
• Installed and deployed Enterprise applications on JBoss application server.
• Performance tuning of JVM heap size, garbage collections, java stack and Native thread production performance.
• Involved in solving environmental/configuration issues that customer have in web server plug-ins, Cluster setups, JMS Bridge configurations, Connection Pools setup etc., these involve third party products' interaction with the BEA Weblogic Server.
• Deployed the applications on multiple WebLogic Servers.
• Setup WebLogic Cluster for Load balancing, high availability and Failover functionalities.
• Configured LDAP using Sun ONE Directory Server for user authentication.
• Created Work Managers for the specific applications based on their priority.
• Setup WebLogic 9.2 server as a Windows Service.
• Troubleshooting WebLogic Application Server connection pools and manager with Oracle9i 10g.
• Involved with the developers in trouble shooting and fixing day-to-day problems of the applications in Production on 24/7 schedule.
• Monitoring error logs, fixing problems and tuning parameters on WebLogic environment.
• Troubleshooting issues that arise during testing or deployment process.
• Configured and setup Secure Sockets Layers SSL for data encryption and client authentication. Using OpenSSL in creating certificate requests.

Environment:

WebLogic Server 8.1/9.2, Apache webserver 2.0, JDK 1.5, J2EE, JDBC, Oracle 9i/10g, RHEL5,

Windows 2000/2003

Confidential

WebLogic Administrator

Responsibilities:

• Installing and configuring WebLogic Server 8.1.
• Deployed various WAR, JAR, EAR applications in clustered environment.
• Making code releases to all the environments in the organization.
• Developed startup and shutdown scripts for the servers.
• Installing of HTTP plugins for apache, iPlanet and Microsoft IIS.
• Implementing Load Balancing for the application using F5 Load Balancer.
• Implemented server groups and clusters in WebLogic server.
• Configured and setup Secure Socket Layer SSL for Data encryption and client authentication.
• Configured Node Manager for administration of Managed Servers.
• Developed scripts for deploying applications in different environments with error handling.
• Troubleshooting any issues that arise during the release or deployment process.
• Developed scripts to monitor JDBC Connection Pool Status, JVM Heap Size, JMS Messages in the destination queues in the production environment.
• Coordinating the Development and Testing teams during the release process with the release team.
• Monitoring the startup logs for any exceptions or errors. Performing regular health checks for the servers in the UAT and Production environments.
• Provided 24/7 on calls Production Support.

Environment:

JDK 1.4, J2EE, JDBC, JMS, WebLogic server 8.1, Apache 2.0, F5 Load Balancer, SSL Http plugin.

Confidential

WebLogic Administrator

Responsibilities:

• Developed startup and shutdown scripts for the servers.
• Making code releases to all the environments in the organization.
• Designed and implemented the user interface using JFC and Swing.
• Generated HTML pages by developing Servlets code
• Involved in the development of Java classes.
• Extensively worked with EJB to implement Business Logic.
• Deployed various WAR, JAR, EAR applications in clustered environment.
• Installing and configuring WebLogic Server 8.1.
• Implemented purchase order entry and reporting modules using JFC-Swing.
• Designed complete software cycle using UML for all the modules
• Developed GUI using FrontPage and JavaScript. Developed Test Cases for testing.
• Developed different types of EJB modules for different applications.
• For P2P file transferring developed Client Server Engine.
• Designed complete software cycle using UML for all the modules
• Implemented purchase order entry and reporting modules using JFC-Swing.
• Developed Java classes that provide JDBC connectivity to the application with a SQL server database.
• Developed scripts for deploying applications in different environments with error handling.
• Implemented server groups and clusters in WebLogic server.
• Developed reports including Daily transactions issued, Commodity-wise purchase, and Pending Transactions