SUMMARY

• Over 8+ years of IT industry experience in Systems Administration, WebLogic Application Server and JBOSS Administration integrating all the J2EE components. Technical abilities include installations, configurations, security and technical support for large enterprise applications.
• Extensive experience in Installing, Configuring, Tuning and troubleshooting of WebLogic Server 8.1, 9.2, 10.x, 11g and 12c in various environments.
• Solid experience in deploying Enterprise Java Beans and J2EE Applications (WAR, JAR and EAR) on BEA WebLogic 12c/11g/10.x/9.2/8.1/7.0 and Tomcat application servers and maintaining Load balancing, High availability and Failover.
• Expertise in Creation of Server groups and Profile assignments to the server groups in a domain.
• Proficient in providing backup and recovery procedures for Oracle WebLogic Server.
• Expertise in migration and upgrading of WebLogic Server and updating JDK versions and installing Service Packs of WebLogic server.
• Expertise in the Administration, Installing, Configuration of Apache 2.0, JBOSS 5.x/6.x/7.0 and Tomcat.
• Experienced in configuring session affinity, session persistence and monitoring in JBOSS EAP 7.0/6.x/5.x and Apache Tomcat 7.x/6.x
• Configured and administered JDBC Connection pools, JMS Connection Factories, WebLogic queues, topics and implemented other services like JTA, JNDI, Virtual Hosting and SNMP.
• Installed DB2 and applied Fix packs on LUW systems and configured Client Server.
• Expertise in Deployment of JAR, WAR and EAR files to JBOSS instances using Deployment Scanner, Console and CLI interfaces to the Standalone and Domain based JBOSS instances.
• Hands - on Integration of Apache WebServer with JBOSS application server using mod jk, mod cluster, and mod proxy plugins for Load balancing.
• Proficient in Installation, Setup and Configuration of IBM WebSphere Application Server 7.0/8.0/8.5/8.5.5
• Involved and Implemented WebServer and WebSphere Application Server load balancing techniques (Horizontal and Vertical Clustering), WebSphere Global Security (LTPA mechanism), SSL (Mutual Authentication), Single Sign-on.
• Extensive hands-on experience with WLST (WebLogic Scripting Tool) and UNIX Shell Scripts for various WebLogic Server tasks, monitoring statistics and running them as Cronjobs.
• Integrated SVN into Jenkins to automate the code check-out process.
• Experienced in TCP/IP fundamentals DNS, FTP, LDAP, Remote Access, Security Management, System Troubleshooting skills, and good knowledge in networking concept including Load Balancers and Firewalls.
• Adept at Monitoring and altering filesystem usage, hardware and system process failures.
• Expertise in Tuning of Application Servers by Tivoli Performance Viewer and Compuware Vantage Analyzer like setting the dynamic cache size and setting the JVM heap size using collected Performance Monitoring Infrastructure (PMI) data.
• Involved in the maintenance activities of Redhat Linux Servers like security patching, disk space issues, upgrades.
• Worked with Relational Databases like Oracle, Sybase, DB2, and MS SQL Server.
• Experienced creating profiles in JBOSS like Default, ha, full, full-ha.
• Expertise in configuring a domain, deploying applications, configuring data sources, logging and web subsystems in JBOSS 5.x/6.x/7.x.
• Involved in Setup of Highly available clustered JBOSS environment using multiple Standalone instances and Domain mode managed servers.
• Involved in doing a performance benchmark of WebLogic server by using Load Runner.
• Resolved Deployment issues and network issues for Development team and in Production Environment. Created Data Sources to a variety of Databases, including DB2, SQL and Oracle.
• Hands on experience in deploying, implementing, testing and support of full life cycle implementations of various J2EE/Internet/Intranet and distributed applications.
• Well experienced in all stages of implementing the workload Management (WLM) using cloning and clustering.
• Opened PMR’s and worked closely with IBM support to resolve all environmental issues.
• Experienced in configuring SSL security for the HTTP and iPlanet servers.
• Experienced in branching, tagging and maintaining the version across the environments using SCM tools like Subversion (SVN), CVS and GIT on UNIX and windows environment.
• Good experience in configuring BIG IP F5 Load balancer.
• Configured and implemented security for all the SOA services using XML firewall and VPN appliance.
• Highly skilled in updating plugin and config file for troubleshooting and improving performance.
• Worked with IBM on problem determination, troubleshooting, and resolution - PMRs, running and submitting, gather scripts and log info, turning, trace, verbose-gc, taking thread and heapdump.
• Expert in using JProbe to identify the memory usage, leaks and analyzing the Garbage Collection and configuring the right GC parameters for better performance.
• Performed root-cause analysis for production outages and provided management with analysis reports.
• Configured global security for WebSphere Application Server using IBM Directory Server as LDAP user registry and configured SSL for ldap communication.
• Experienced with the tools SOAP, Maven, Jconsole, JvisualVM, Junit, Jmeter, RHQ and Manage Engine.
• Configured Queue Connections Factories, Queue Definitions, and Listener Ports in order to provide connectivity to Enterprise MQ infrastructure and also worked on Service Integration Bus (SIB) configuration.
• Excellent team worker and ability to quickly adopt and work under minimal supervision. Ability to communicate requirements effectively to team members and manage applications. Extensive experience in providing 24/7 on-call support for applications running on IBM WebSphere J2EE application servers.

TECHNICAL SKILLS

Operating Systems: IBM AIX 4.3/5.x/6.x, Linux (Red Hat 6.x/7.x/8.0), Sun Solaris 7.x/8.x, Windows, HP-UX.

Languages: C, C++, Java, JavaScript, HTML, JAVA, VRML 2.0, SQL, MySQL, PL/SQL

Web Technologies: JSP, Servlets, EJB, RMI, JAAS, JMS, XML, XSLT.

Tools: Resource Analyzer, Log Analyzer.

RDBMS: Oracle 10g, MS SQL Server2000, DB2

Application Servers: WebSphere Application Server 5.x/6.x/7.x/8.x, BEA WebLogic Application Server 6.x./7.x./8.x./9.x/10.x./11g/12c, Apache Tomcat 5.x/6.x, JBOSS 4.x/5.x/6.x/7.0

WebServers: Apache, IBM HTTP Server, Sun One WebServer.

Networking: HTTP, TCP/IP, SNA, DNS, LAN, WAN, SSH, DHCP, SMTP, POP3, IMAP, LDAP, Samba, VPN solutions, MS Proxy Server 2.0.

Scripting Languages: Shell Scripting, Perl, Jacl, Jython

PROFESSIONAL EXPERIENCE

Confidential, St. Louis, MO

Web Logic/JBOSS Administrator

Responsibilities:

• Configuration and Administration of WebLogic Application Server and JBOSS.
• Installed, integrated, tuned and administered WebLogic 10.x/11g/12c,R1/JBOSS4.x/5.x/6.x/7.x in various environments viz. DEV, QA, UAT, PRE-PROD and PROD.
• Extensive experience with RedHat Linux 5.6 and Experience in WLST and Jython scripts for repeated WebLogic administration activities.
• Hands of experience in analyzing the thread dumps, heap dumps & GC logs by using the tools Samurai, HAT & GC viewer tool (for WebLogic & JBOSS), TMDA, GCMV, Heap Analyzer (for WAS).
• Configured mod cluster with JBOSS EAP 6 and UNDERTOW with JBOSS EAP 7.
• Configuring JBOSS global security and enabling security between WebServer and AppServer.
• Set up cluster environment for WebLogic Server integrated with multiple workflows.
• Used JBOSS fuse for remote console login, JMX management and web server console.
• Installation, configuring and tuning of Apache WebServers in Linux environments.
• Created cronjobs and shell scripts to take regular thread dumps and log rotations.
• Created WebLogic WLST scripts for automated deployments and start/stop of servers
• Installed and Configured IBM WebSphere 7.x/8.x in DEV, Test, PPE, PROD environments and provided support.
• Configured Apache (mod jk and mod cluster) plugin with Tomcat and JBOSS.
• Evaluated, Installed, and configured various JIRA plugins systems based on the requirement.
• Deploying J2EE Application archives (JAR, WAR, EAR and RAR) and Web-Based/E-Commerce on WebLogic Application Server and JBOSS 6.x/7.x.
• Configured JDBC Connection pools, data sources for Postgresql database and JMS Configuration on JBOSS.
• Extensively used ANT, MAVEN, Perl and Bash Scripts for automating build and release tasks.
• Configured and worked with Apache SSL modules in the process of installing SSL certificates on to the Web and Application servers.
• JDBC connection (c3p0 and hikary) pool performance tuning.
• Involved in Load and Integration testing of J2EE applications on JBOSS EAP.
• Supported developers and QA by maintaining test environments and configuring application servers to development specifications
• Configured Vendor Portals for J2EE Web Services and also provided support.
• Performed Data Center Migration from HAWC to HERITAGE and troubleshot the issue.
• Configured Apache 2.2 on different physical and virtual boxes in various environments to handle the static content.
• Created and Configured MQ series objects like Queue Manager, Queue, Channels, Transmission Queues, Namelists etc., for Messaging and Queuing.
• Configured Oracle OSB 11.1 as a proxy service for the JTA Transactions.
• Installed and configured OEM 11g and created business work flows and monitored the applications.
• Configured Jenkins builds for continuous integration and delivery.
• Created Dashboards in WILY Introscope and monitored JVM instances for J2EE applications.
• Worked on load balancing, failover and clustering with multiple Tomcat instances.
• Monitored enterprise ecommerce applications using Java Monitoring and Management Console (JMX).
• Configured VMware HA, VMware DRS in acquiring higher efficiency for VMware Infrastructure.
• Installed and worked on VMware Site Recovery Manager (SRM 4.0) for the disaster recovery and managed recovery plans.
• Installed and configured Siteminder Policy Server (5.5/ 6.0) on UNIX/Windows environments.
• Updated Perl scripts for the automation of startup and shutdown process.
• Load balanced the workers using workers.properties and managed the workers using jkstatus.
• Performance tuning by configuring caching, queuing, pooling, JVM parameters and Problem determination using Wily Introscope dashboards.
• Experience in troubleshooting issues using Traces, Logs and Log Analyzer.
• Involved with load balancing team to configure BigIP load balancer for production environment.
• Performance monitoring and tuning database connection pools, thread pools, JVM Heap Size to required sizes using admin console.
• Troubleshoot hardware and software problems, and interact with IT staff or vendors in performing complex testing, support and troubleshooting functions.
• Provided support by on shift rotation basis and monitored trouble ticket queues to attend user and system calls.
• Used performance monitoring tools like Introscope, ITCAM and TPV.

Environment: JDK1.7, J2EE, Sun JVM, Servlets, Puppet, EJB, JDBC, MDB, JBOSS6.x/7.x, XML, Oracle10g, WebLogic Server 10.3,11g/12c,Tomcat 6.0,Linux,IBM MQ, IBM WebSphere, Unix, Jenkins, Maven, nagios, Win2003, Solaris 10.0, RHEL 5, Apache2.2, DNS, TCP, HTTP, SNMP, SOA.

Confidential, Minneapolis, MN

WebLogic/JBOSS Administrator

Responsibilities:

• Installed, configured and maintained Web Logic 8.x/9.x/10.x/10.3.x/12c and JBOSS EAP 6.x/7.0 on diverse UNIX flavours like AIX, RHEL and Windows 2008 R2 Operating System.
• Responsible for Load balancing and Performance tuning for various WebLogic Instances.
• Involved in capacity planning of various applications.
• Provided Support to migrate from WebLogic server to JBOSS.
• Performed Troubleshooting of WebLogic Application Server connection pools with Oracle and DB2.
• Configured JDBC and JMS Queues in WebLogic 9.2/10.3/11g/12c, JBOSS4.x/5.x/6.xEAP
• Updated the WebLogic licenses and apply packages.
• Configured users groups and Global Roles.
• Used Nagios to provide centralized view of IT infrastructure and help with status information, detection of infrastructure outages, automatic restart of failed applications and services and overall monitoring reporting.
• Configuring Single Sign-On using (SSO) using SAML 2.0 in WebLogic 10.3.6.
• Performance tuning of JVM heap size, garbage collections, java stack and Native thread & production performance.
• Involved in Migration of WebLogic server 10.3.0 to WebLogic 10.3.5.
• Responsible for the Installation, Configuration and Administration of Oracle WebLogic Application Server 9x/10x/11g/12c and configured the WebLogic domain on RHEL 6.4
• Configured Clusters, Server groups and Cloning for improved availability and failover capacity.
• Generated and created SSL keys and certificates and configured Apache tomcat server to use the SSL communications.
• Auto deployment of several applications using ANT build scripts, UNIX shell scripts.
• Created and configured Data Sources for database connectivity & JMS resources.
• Installed JBOSS web server 1.x and configured with JBOSS EAP 5.x for load balancing.
• Created SSL certificates for JBOSS4.x/5.x./6.x
• Configured global security in WebLogic using LDAP authentication.
• Perform Root Cause Analysis for the WebLogic Application Server support including analysing the thread dumps of servers, troubleshooting and monitoring the logs.
• Created domain configuration scripts to configure new domains, modify existing domains.
• Installed and configure JProbe and Diagnostics for performance/monitoring.
• Worked on EJB application with WebLogic Client and WebSphere Server on RMI/IIOP protocol.
• Configured JDBC and JMS Queues in WebLogic 9.2/10.3, JBOSS 4.2/5.0.1 EAP.
• Application deployed in Linux servers using WebLogic on Redhat Linux 5.0.
• Automated WAR deployment procedure in production environment running on JBOSS EAP 5.x using UNIX shell script.
• Responded to the SiteScope and HP OpenView alerts as per SLA.
• Worked with Test and Development teams to meet their needs for configure various environments.
• Managed the deliverables according to the statement of work.
• Tuned the JVMs by analyzing the must gather information for Application Server hangs on AIX, Linux.
• Experienced in creating Queue Connection factories, Queue/Topic destinations and other JMS resources.
• Occasionally used Resource Analyzer/Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes.
• Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
• Involved with load balancing team to configure BigIP load balancer for production environment.
• Involved in Performance monitoring and tuning database connection pools, thread pools, JVM Heap Size to required sizes using admin console.
• Created and Configured MQ series objects like Queue Manager, Queue, Channels, Transmission Queues, Namelists etc., for Messaging and Queuing.
• Experienced in upgrading Fixpacks and maintenance upgrades + Support packs
• Troubleshoot hardware and software problems, and interact with IT staff or vendors in performing complex testing, support and troubleshooting functions.
• Provided 24*7 on-call support on a shift rotation basis and monitored trouble ticket queues to attend user and system calls.

Environment: WebLogic Server 9x/10x/11g/12c, Solaris10, Apache 5.x, Oracle9i, Nagios, SiteScope, Tomcat 5.0, IBM HTTP Server, Web Services, LDAP, ANT, Maven, UNIX, LINUX, JBOSS 5.x/6.x JDK 1.4.2, SOA, JSPs, JBOSS EAP /4.0,5.0, Remedy, EJBs and JMS.

Confidential, Columbus, OH

Middleware Administrator

Responsibilities:

• Installed, configured and administered BEA WebLogic 9.x/10.x/11g, JBOSS Microsoft IIS 6.0, Apache 2.0/2.2 WebServers in Sun Solaris 8 and Sun Solaris 10.
• Installed, configured, administered WAS ND and Base integrated with Apache Http Server, LDAP security, Wily Introscope.
• Deployed the EAR, JAR, WAR applications on multiple WebLogic Server Instances and JBOSS servers.
• Involved in working with Load balancing/Firewall to achieve failover and high availability.
• Configured JMS resources Queues, Topics, and JDBC connection pools and data sources for WebLogic/JBOSS server instances.
• Configured modules and implemented modular class loading using JBOSS-deployment-structure descriptors files in .ear and .war files.
• Created Domain Templates to replicate the environment on new WebLogic/JBOSS servers.
• Worked with WLST scripts and Shell Scripts to automate frequently done tasks like deployments.
• Experienced in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions in WebLogic and JBOSS.
• Installed the latest patches for Tomcat Applications related to Cross Site Scripting and other security vulnerabilities.
• Optimizing the memory usage by tuning Garbage Collection.
• Analyzed Log files such as WebLogic/JBOSS server logs, node manager logs, Plug-in logs and thread dumps for troubleshooting and Problem determination to resolve issues.
• Installed, configured and administered Apache 2.2 and Apache Tomcat 5.5 on Linux.
• Installed and configured HTTP Proxy Plug-ins on Apache WebServer to send traffic to request dynamic content from WebLogic Application servers.
• Configured and maintained Application servers on Linux and UNIX platforms.
• Configured F5 load balancers to work with WebLogic Server.
• Provided deploy support for UNIX configuration and setup of listed servers.
• Configured NodeManager for running managed servers.
• Configured SSL on WebLogic Cluster for the secured data transfer.
• Involved in performance tuning of JVM by analyzing garbage collection matrix.
• Handled server hang, dead locks application and database level locks by checking thread dumps and analyzing them to find the root cause of the issue.
• Handled Memory issues and Memory leaks by tuning and profiling with the help of third party tools.
• Configured and setup SSL data encryption and client authentication.
• Installed and configured Wily CA agent, Wily enterprise manager and Introscope Workstation for monitoring performance.
• Configured two cell production environment with 15 nodes, 28 application servers
• Performance estimation and tuning for the WebSphere Application Server system.
• Worked in building, configuring and setting up Testing and Production Environments and tested and supported the project according to Business Rules and specifications.
• Installed Apache HTTP Server on different nodes and configured them by generating the plug-in from ND Administration Console.
• Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• Involved in Creating and Managing the Nodes, Application Server’s, Cluster’s and Deployed Multiple J2EE Applications
• Profiled all the J2EE Application’s and worked with Application Groups in improving performance of application and possible memory leaks in application before deploying.
• Deployment of J2EE Applications involved in Creating Cluster’s for Load Balancing and Failover, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
• Involved in troubleshooting Shell Scripts used for Automation of Startup and Shutdown Processes.
• Interacted and Co-ordinated with different Application Groups for Hot Deployment and Dynamic Reloading of the Applications.
• Involved in troubleshooting and resolving problems encountered when implementing models.
• Regularly updated the servers with the latest Sun recommended software and security patches.
• Provided technical and production support for both online and batch environments of existing systems.
• Installed Wily 7.0 and added different users to access the Wily tool.
• Provided 24/7 application support to all production applications.

Environment: IBM WebSphere Application Server 6.x/7.x, WebSphere MQ 5.x/6.x, WebLogic 9.x/10.x/11g, Apache 2.0/2.2, JBOSS 4.x/5.x, Apache Tomcat 5.5, WLST, Java, J2EE, JSP, Servlets, Nagios, EJB, XML, JDBC, HTML, Shell scripting, Oracle 9i,10g Solaris SunOS 5.8and 5.10, RHEL 5.x,6.x, Apache Http server 1.3.27, IIS 7.0, JRun, Apache Tomcat 5.x, Wily 7.x, LDAP server.

Confidential, Minneapolis, MN

Middleware Administrator

Responsibilities:

• Installed, configured and maintained IBM WebSphere Application Server 5.x/6.1, IBM WebSphere MQSeries 5.x/6.x, IBM Http Server 1.3/2.0, Apache 2.x on heterogeneous platforms (AIX 5.3/Sun Solaris 8.5/Linux/Windows NT).
• Involved in migration from WAS 5.1.1 Network Deployment and Base to WAS 6.1 ND on AIX platform. Applied refresh packs, fixpacks and cumulative fixes for WebSphere, IHS and plugins.
• Installation, configuration and maintenance of Web Logic6.x, 7.x, 8.x, 9.x, 10.x, 11g, JDBC, JMS, JNDI, and J2EE applications.
• Deployed Applications (WAR, JAR, and EAR) in Domain and Clustered environment.
• Installed & Configured Cluster in WebLogic environment.
• Configured JDBC connections and data sources with Oracle database server 8.x troubleshooting and fixing up problems.
• Monitored the error logs, fixing the problems and tuning parameters on WebLogic environment.
• Used ANT to run build scripts developed UNIX shell scripts and auto deployment processes.
• Maintained applications which are deployed in Apache Tomcat Servers.
• Configured Node Manager and Machines for controlling managed servers
• Used Configuration wizard and WLST scripts to create and manage WebLogic domains.
• Worked on tuning Application Server, and Web Servers by changing the Heap Size parameters and tuning JVM's Garbage Collector.
• Experienced in migration of WebLogic Server from Windows to Linux environment.
• Developed and ran UNIX shell scripts and implemented auto deployment process.
• Configured plugins Apache Web servers to work with WebLogic server.
• Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
• Responsible for installation, configuration and management of a network environment.
• Monitored the performance using BMC PATROL in a Production and Quality environment.
• Maintained and upgraded essential hardware, system patches and software.
• Created DMGR, application server and custom profiles in Linux platform for dev, test, preprod and production and federated application server and custom profile to DMGR using addNode.sh command.
• Hands on experience in Migrating the existing configuration and applications of IBM WebSphere using WASPreUpgrade and WASPostUpgrade tools on AIX.
• Applied Fix Packs for WebSphere Application Server and hot fixes to various applications and multiple environments as per the change management system request to overcome the functionality and performance issues.
• Responsible for changing and migrating source code of high profile applications and deployment on WebSphere Application Server.
• Coordinated with IBM support by raising PMRs to resolve problems related to WebSphere Application Server and WebSphere MQ outages.
• Troubleshoot problems on the various environments involving the integrations of WebSphere, IBM Http server, iPlanet WebServers, TAM and LDAP.
• Worked with WSadmin scripts using Jacl, Jython to automate WebSphere processes including start/stop, creating and configuring servers, JDBC and MQ resources, deploying applications on stand-alone and clustered environments
• Configured global security on WebSphere using IBM Directory Server and secure the admin console.
• Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around and successfully resolved LDAP, SiteMinder, WAS, MQ, code, and data issues.
• Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using IKEYMAN.
• Installed & Configured Apache web server v1.3/2.0.x on Sun E450 servers in Solaris environment and configured configuration file for virtual hosts for all sites.
• Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache web server.
• Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
• Lead role in performance testing and tuning the applications performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds.
• Problem determination using local error logs and by running user traces and service traces.
• Assisted in several thread dumps and heap dumps analysis using IBM Thread analyzer and IBM Heap Analyzer.

Environment: IBM WebSphere AppServer 6.1/5.1, IBM WebSphere MQSeries 5.0/6.1, WebLogic Application Server 7.x, SUN Solaris 2.8, Windows 2000, iPlanet, Web Server 6.0, Java,J2EE, JSP, Servlets, EJB, Oracle 9i, Red Hat Enterprise Linux 4.0, Unix, Apache web server 1.3, XML, JDBC, Tomcat, JavaScript, ORACLE, DB2,Oracle 9iHTML, Shell scripting. IBM Http Server 1.3/2.0, Apache, AIX, WSAD, RAD7, LDAP, Heap analyzer, Windows 2000, LDAP,EJB, JDK, J2EE, JNDI.

Confidential

WebLogic Administrator

Responsibilities:

• Involved in all administrative tasks like Installation, Configuration, Deployment and Troubleshooting of BEA WebLogic 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 applications.
• Extensively involved in Tuning and Clustering of the WLS 8.1.
• Maintained WLS in a project 40+ clusters, 86 applications with about 145 servers deployed on separate boxes.
• Installed and configured Apache and Tomcat WebServer in various environments.
• Configured and maintained of WebLogic server with JDBC, JMS, JNDI, SNMP and J2EE Services and Data sources.
• Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
• Configured and maintained Application Servers on Linux and UNIX platforms.
• Deployed applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality.
• Involved in bridge calls with other team members and developers for resolving the high priority issues in the Production Environment.
• Application deployed in Linux servers using WebLogic application server on Redhat Linux 5.0.
• Set up WebLogic domain with a single Server instance for developers on their Solaris machines.
• Configured the WebLogic server with Sun one WebServer 5.1 through WebLogic’s proxy plug-in
• Used Tibco EMS to provide fully compliant JMS as well as several value added features.
• Troubleshooting WebLogic server connection pool between Oracle 9i and DB2.
• Configured connectivity with SSL Certificates for WebServers and AppServers for applications in all environments.
• Helped build the Swing based E-Business Control Center for WebLogic Portal Product.
• Involved in doing a performance benchmark of WebLogic Server by using Load Runner.
• Involved in Performance monitoring and performance tuning of WLS.
• Developed ANT build scripts, UNIX Shell scripts and auto deployment process.
• Involved in Configuration and Troubleshooting of Sun One 5.1 on Solaris platform.

Environment: JDK 1.4, WebLogic Server 7.x/8.x, Sun One 5.1, Apache, Tomcat, Solaris, Linux, J2EE, JSP, Servlets, EJB, LDAP, JDBC, UNIX, Oracle 9i, Solaris.