PROFESSIONAL SUMMARY:

• Over 8+ years of IT experience in handling variety of technologies, tools and languages.
• Extensive experience in installing, configuring, troubleshooting, maintenance and administration of Jboss Enterprise Application Platform (EAP) 6.x, Jboss Application Server AS 7.X, BEA WebLogic Server 7.x/8.x/9.x/10.x/11g, iplanet web server, Apache 2.x, Tomcat 5.x/6.x under heterogeneous environments Windows, Linux, VMware, Sun Solaris and UNIX
• Expertise in Deploying J2EE Application archives (JAR, WAR, EAR and RAR) and Web - Based/E-Commerce on multiple WebLogic Servers and Jboss Servers
• Expert in configuring JDBC providers, connection pools, thread pools, data sources, virtual hosts on Jboss and WebLogic servers.
• Good experience in using Jboss-CLI, and developed basic scripts for automated Jboss administration
• Excellent working experience in both Domain mode and Standalone mode in Jboss servers.
• Mod JK and Mod cluster has been configured for Apache
• Configured RBAC (role based access control) and LDAP (Lightweight Directory Access Protocol) to secure management console and management native
• Strong expertise in handling Security Issues: Install and upgrade SSL s for Web/App servers
• Experience in Configuring and administering JTA, JNDI, SNMP and Node manager to administer the managed servers from admin console in WebLogic application server.
• Experience in both Clustered and non-Clustered environments.
• Excellent UNIX (shell), ANT, PERL and WLST scripting skills
• Good experience on networking protocols and understanding of networking concepts
• Experience on Trouble-Shooting of JVM memory issues such as Java Heap memory by monitoring garbage collection with Verbose GC and Trouble-Shooting of JVM out-of-memory issues on application servers
• Strong experience in installing and configuring Wily Introscope performance monitoring tool to WebLogic and Jboss Servers
• Attending the Severity 1 Outage calls and coordinated with developers, Management and end users to resolve the critical issues
• Monitored and tuned JVMs, JVM heap size, garbage collections, Java stack and Native thread results in Development, System Test, Staging and production.
• Responsible for performance tuning, disaster recovery, high availability, scheduled Cron jobs, problem determination and providing technical support whenever needed
• Experience in Backup & Recovery procedures.
• Experience in operational 24x7 supports and on call support

TECHNICAL SKILLS:

Programming Languages: C,C++, JAVA, HTML, XML, UNIX shell scripting

Operating Systems: UNIX, SUN Solaris, LINUX, Windows 98/2000/NT/XP/VISTA

Application/Web servers: RedHat Jboss Enterprise Application Platform 6.x, Jboss Application Server AS 7.x, WebLogic 7.x/8.x/9.x/10.x/11g, Apache 2.1/2.2, Tomcat 5.x/6.x

J2EE Technologies: Servlets, JSP, JDBC, JMS, JNDI, EJB

Packages: JDK 1.1/1.2/1.3/1.4/1.5/1.6/1.7, JSDK 2.0, J2EE

Databases: Oracle 8i/9i, MS SQL Server, MS Access and DB2

Networking&Protocols: TCP/IP, HTTP, HTTPS, FTP, SNMP, LDAP and SSL

PROFESSIONAL EXPERIENCE:

Confidential, St.Louis, MO

Middleware Administrator

Responsibilities:

• Installed, monitored, troubleshooted and configured Jboss Enterprise Application Platform (EAP) 6.2, Apache 2.4, under heterogeneous environments Windows, Linux, VMware, Sun Solaris and UNIX
• Installed, configured and created multiple instances of Host Controllers and standalone servers on Jboss EAP 6.2
• Configured server-groups and servers for different profiles on Jboss EAP servers
• Configured modules and implemented modular class loading using Jboss-deployment-structure descriptors files in .ear and .war files.
• Configured JMS Queues and Topics using a managed JMS environment (HornetQ).
• Deployed various J2EE applications (WAR and EAR) on Jboss Servers using Jboss management console, hot deployment and Jboss-CLI
• Configured and administered theJDBC, JNDIinJboss 6.2
• Remotely managed Jboss server instances through HTTP Management Console in Jboss servers.
• Strong expertise in handling Security Issues: Install and upgrade SSL s for Web/App servers
• Developed various shell scripts and run them as scheduled Cron jobs to automate startup and shutdown of Jboss EAP.
• Monitored and tuned JVMs, JVM heap size, garbage collections, Java stack and Native thread results in Development, System Test, Staging and pre-production.
• Involved in setting JVM parameters for optimum performance in Jboss
• Trouble-Shooting of JVM memory issues such as Java Heap memory by monitoring garbage collection with Verbose GC and Trouble-Shooting of JVM out-of-memory issues, server crash, stuck threads on application servers.
• Used Jboss-CLI to develop basic scripts for automated Jboss administration (startup, shutdown, deploy and clear queues).
• Configured RBAC (role based access control) and LDAP (Lightweight Directory Access Protocol) to secure management console and management native.
• Secured Jboss EAP 6 by configuring security domains, security realms, and LDAP authentication
• Installed and configured Apache web server by using mod cluster subsystem as a load balancer.
• Attended outages, coordinated with developers and resolved end user issues
• Provided 24/7 on - call support for production environments.

Environment: Jboss Enterprise Application Platform (EAP) 6.2, Apache web server 2.4, Linux 5.x, 6.x.

Confidential, Richardson, TX

Middleware Administrator

Responsibilities:

• Installed, monitored troubleshooted and configured Jboss Enterprise Application Platform (EAP) 6.1, BEA WebLogic Server 10.x/11g, iplanet web server, Apache 2.1/2.2, Tomcat 5.x/6.x under heterogeneous environments Windows, Linux, VMware, Sun Solaris and UNIX
• Installed, configured and created multiple instances of Host Controllers and standalone servers on Jboss EAP 6.1
• Configured server-groups and servers on Jboss EAP servers
• Configured modules and implemented modular class loading using Jboss-deployment-structure descriptors files in .ear and .war files.
• Configured JMS Queues and Topics using a managed JMS environment (HornetQ).
• Deployed various J2EE applications (WAR and EAR) on WebLogic Servers using WebLogic Console, automated shell scripts and Jboss Servers using Jboss management console, hot deployment and jboss-CLI and Tomcat Application servers.
• Configured and administered theJDBC, JNDIinJboss 6.1 and WebLogic Server 10.x/11g and Tomcat server.
• Experience in Configuring and administering JTA, JNDI, SNMP and Node manager to administer the managed servers from admin console in WebLogic application server.
• Remotely managed Jboss server instances through HTTP Management Console in Jboss servers.
• Strong expertise in handling Security Issues: Install and upgrade SSL s for Web/App servers
• Developed various shell scripts and run them as scheduled Cron jobs to automate startup and shutdown of Jboss EAP and WebLogic servers.
• Configured Clustering EJB objects, JDBC connections and JMS connection factories
• Worked on implementing stored and operational procedures
• Monitored and tuned JVMs, JVM heap size, garbage collections, Java stack and Native thread results in Development, System Test, Staging and pre-production.
• Involved in setting JVM parameters for optimum performance in Jboss and WebLogic servers.
• Log files analysis such as WebLogic server logs, node manager logs, plug-in logs, and thread dumps, verbose GC logs for troubleshooting and problem determination to resolve issues
• Configured Wily Introscope in both Jboss and WebLogic servers
• Trouble-Shooting of JVM memory issues such as Java Heap memory by monitoring garbage collection with Verbose GC and Trouble-Shooting of JVM out-of-memory issues, server crash, stuck threads on application servers.
• Used jboss-CLI to develop basic scripts for automated Jboss administration (startup, shutdown, deploy and clear queues).
• Configured clustering on Jboss EAP 6 using jgroups and mod cluster subsystems.
• Configured RBAC (role based access control) and LDAP (Lightweight Directory Access Protocol) to secure management console and management native.
• Secured Jboss EAP 6 by configuring security domains, security realms, and LDAP authentication
• Installed and configured Apache web server by using mod jk and Mod cluster as a load balancer.
• Attending the Outage calls and coordinated with developers, Management and end users to resolve the critical issues
• Strong working experience with the AOTS ticketing tool for creating work requests and problem solving issues.
• Provided 24/7 on - call support for production environments.

Environment: Jboss Enterprise Application Platform (EAP) 6.1, WebLogic 10.x/11g, Apache web server 2.2, Linux 5.x, 6.x.

Confidential, San Jose, CA

Middleware Administrator

Responsibilities:

• Installed and configured Oracle WebLogic Application Server 9.x/10.x/11g on Sun Solaris 8/9, Red Hat Linux environments
• Installation, Configuration and Maintenance of Jboss Application server 7 on various environments
• Installed the Plugins and maintain the workload management in the cluster and non- cluster environment
• Deployed J2EE applications on WebLogic Servers, Jboss servers and Tomcat servers and maintained Load Balancing, High availability and failover functionality.
• Installed and Configured Apache HTTP Server 2.0 to proxy with WebLogic Server
• Configured JNDI as repository for EJB home stubs, queues and topics and was actively involved with the migration of WebLogic server from previous version 9.x to 11g
• Strong expertise in handling Security Issues: Install and upgrade SSL s for Web/App servers
• Configured clustering, Data sources and connection pools for various applications on WebLogic application server and Jboss Application server
• Log files analysis such as WebLogic server logs, node manager logs, plug-in logs, and thread dumps, verbose GC logs for troubleshooting and problem determination to resolve issues.
• Extensively used WLST (WebLogic Scripting Tool) and UNIX Shell Scripts to monitor and manage WebLogic server instances and domains and for auto deployment processes.
• Monitored and tuned JVMs, JVM heap size, garbage collections, Java stack and Native thread results in Development, System Test, Staging and pre-production.
• Tuned the JDBC connection pools initial and maximum capacity to the same value in production systems to avoid creating new connections on the fly during load spike.
• Server log and Domain log monitoring, application deployment and performance tuning of WebLogic.
• Setting the JVM parameters like maximum and minimum heap size in WebLogic startup scripts.
• Good knowledge on BMS Remedy user ticket Monitoring tool
• Experience in using third party software tool like SQL Developer, TOAD, Eclipse, Putty, Winscp and SecureCRT.
• Provided 24/7 on - call support for production environments.

Environment: Jboss Application Server 7, WebLogic Server 8.x/9.x/10.x, Apache HTTP Web Server 2.0, Sun Solaris 8/9/10, JDBC, Servlets, LDAP, EJB, SSL, JMS and Red Hat Linux.

Confidential, Plano, TX

WebLogic Administrator

Responsibilities:

• Installed, configured and maintained BEA WebLogic 8.x, JDBC drivers and Servlet engines on diverse UNIX platforms that include Solaris, and Windows 2000.
• Installed and Configured Apache HTTP Server 2.0 to proxy with WebLogic Server 8.x.
• Configured Reverse Proxy, Virtual Hosting, SSL between Apache HTTP and WebLogic for secure Connection.
• Involved in doing a performance benchmark of WebLogic server by using Load Runner.
• Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers
• Deployed J2EE applications on multiple WebLogic Server and maintained Load balancing, high availability and Fail over functionality.
• Configure Clustering EJB objects, JDBC connections and JMS connection factories.
• Configure Node manager for administer the Managed servers.
• Researched and troubleshooted emerging application issues, from WebLogic configuration to code issues
• Developed Complex UNIX shell scripts to automate the deployment process.
• Configured and Administered Connection pools for JDBC connections
• Involved in setting up the cluster environment for WebLogic Server integrated with multiple workflows
• Worked on implementing stored and operational procedures
• Configured and Deployed applications in various work environments like Development, System Test and Production.
• Developed UNIX shell scripts to automate the WebLogic Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state).
• Supported on call schedule 24/7 for Production support

Environment: Sun WebLogic Server, WebLogic portal, JDK1, J2EE, JRockit, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, Win2K, Solaris, Linux.

Confidential, Pharmacy, NJ

WebLogic Administrator

Responsibilities:

• Performed BEA WebLogic Server 7.x/8.x/9.x administration tasks such as Installation Configuration in Development, Integration, QA and Production.
• Installed and Configured Apache HTTP Server to proxy with WebLogic Server 7.x/8.x/9.x.
• Involved in advanced performance monitoring and tuning of WebLogic server.
• Deployed J2EE applications on multiple WebLogic Server instances in multiple environments like production, development, stage and maintained Load balancing, high availability and Fail over for the servers. Used BigIP F5 Load Balancer.
• Configured Clustering EJB objects, JDBC connections, JMS connection factories and JMS Queues.
• Install and upgrade SSL s for Web/App servers
• Log files analysis such as WebLogic server logs, node manager logs, plug-in logs, and thread dumps, verbose GC logs for troubleshooting and problem determination to resolve issues.
• Created Server Execute Queues and Tuned the parameters for better performance of critical applications deployed in WebLogic Server 8.1.
• Configured and Troubleshoot WebLogic Node Manager for local / remote administration of Managed servers in SUN Solaris and Red Hat Linux Platform.
• Configured and administered JDBC Connection pools/multi pools/ data sources on WebLogic.
• Building UNIX Shell Scripts and run them as scheduled Cron jobs.
• Investigate and resolve performance issues by analyzing thread dump, GC values and heap dump.
• Performing Root Cause Analysis with application team in response to production issues

Environment: WebLogic Server, Apache tomcat, Oracle database, JDK, J2EE, JDBC, JMS, XML, Solaris, BigIP F5 Load Balancer.

Confidential

Java Developer

Responsibilities:

• Involved in the business analysis and system design to support the workflow
• Requirement Analysis and defining the Scope.
• Involved in development activities which involves construction ofJSP, servlets, EJBsin J2EE environment.
• DevelopedJavaScriptfunctions for client side validations.
• ImplementedMVC Design Patternin the development process.
• Involved in preparing Unit Test Cases and performing Unit Testing Managing the configuration and controlling the versions of source codes usingMS-VSS (Version Control Systems).

Environment: MS-VSS, Eclipse 3.0, JSP, Servlets, EJB, J2EE.