PROFESSIONAL SUMMARY

• Around 7 years of extensive experience in the IT industry with WebLogic Administration, Monitoring, Troubleshooting and Maintenance on WebLogic Servers.
• Extensive experience in 24x7 on-call support in critical production environments, involved performance tuning, tweaking the JVM parameters, Threads, size of the connection pools.
• Strong experience in performing root cause analysis to investigate the reasons for server and application related issues and suggesting solutions.
• Expertise in UNIX, Solaris, LINUX and Windows System administration operations.
• Expertise in Installation, Configuration, Troubleshooting and Maintenance of BEA WebLogic Server 8.1/9.x/10.x/11g, iPlanet Web Server, Apache Web Server on different UNIX environments.
• Worked extensively on WebLogic Portal server, WebCenter Portal 11g, SOA, SSO, LDAP
• Experience in Maintaining BEA WebLogic Server on different UNIX platforms and setting up the Development, Testing, Staging and Production environments.
• Strong experience with Infrastructure virtualization like VMware ESX.
• Deploying J2EE Application archives JAR, WAR, EAR and RAR on WebLogic, and Tomcat Application Server.
• Strong knowledge in Clustering EJB objects, JDBC connections and load balancing and failover on WebLogic, Tomcat and JBoss servers
• Experience in both Clustered and non-Clustered environments as well as configuring Node Manager to start and stop managed servers from Administration console, WLST and JMX API.
• Experience in networking devices, protocols TCP/IP and corresponding access-related problems
• Excellent working knowledge in implementing LDAP and Netscape Directory Server.
• Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
• Experience in working with development teams to troubleshoot server related application issues, performance issues and application performance tuning.
• Experience in Java performance testing and troubleshooting using JConsole, JRockit Mission Control and JProfiler.
• Experience in Java deployment work such as packaging, release and build issues for a J2EE system.
• Configured and administered JDBC, JMS, JTA, JNDI, SNMP and Node Manager to administer the Managed Servers in WebLogic Application Server
• Proven ability to define System hardware requirements, analyze capacity and made appropriate modifications as per application design and better performance.
• Excellent client relation skills and drive to complete tasks effectively and efficiently where customer services and technical skills are demanded.
• Highly developed interpersonal, leadership and communication skills.
• Capable to learn quickly and be resourceful, quality oriented.

TECHNICAL SKILLS

• App/Web servers : WebLogic 7.0/8.1/9.x/10.x/11g, WebSphere 5.x/6.x, Apache Tomcat, JBoss 5/6, Apache, Sun ONE, IBM HTTP, i-Planet
• Operating systems : UNIX, IBM-AIX, HP-UX, Sun Solaris, Red Hat Linux, Windows 2003 server
• J2EE Technologies : JSP, Servlets, EJB, JDBC, JMS, JNDI, Eclipse, Struts, IBM MQ, WSDL
• Databases : Oracle 8/9i, MS SQL Server 2000, MySQL, IBM DB2, MS Access
• Network Protocols : TCP/IP, Telnet, FTP, SNMP, HTTP/S, LDAP, DNS, T3/S, DHCP, ARP, SOAP
• Architecture : MVC, Singleton, SOA, DAO, Business Delegate, Session Pattern
• Tools/Utilities : Ant, TME 10, XMLSpy, Jprobe, F5, SiteMinder, CuteFTP, JUnit, WinRunner
• Others : DOM, JAXB, IBM RAD 6.0, WSAD 6.0/5.1, JBuilder, Net Beans, Clear Quest, JIRA, CVS, Perforce, Subversion, Java Script, Service Locator

PROFESSIONAL EXPERIENCE

Confidential

Sr. WebLogic/Middleware Administrator

Responsibilities:

• Installation, Configuration, Performance tuning, patching, troubleshooting of BEA WebLogic Application Server 9.2/10.3/11g on SUN Solaris 9.0/10.0, UNIX and Windows environment.
• Responsible for setting up development, testing, staging and production environments for the on-going application development.
• Installed WebLogic servers, configured domains for deploying applications.
• Responsible for setting up plug-ins, maintenance and troubleshooting of large number of web servers
• Deployed applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality disaster recovery .
• Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
• Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the retailed applications.
• Responsible for implementing clustering on both WebLogic and Tomcat based server environments
• Configured BEA WebLogic on a single Server and cluster environment.
• Installed Wily Power packs Such as Leak Hunter, Error Detector, WebLogic Portal, Web Server etc.
• Responsible for recording required URL's in Wily CEM and monitoring performance.
• Responsible for configuring and testing networking software and operating systems
• Identified performance bottle necks and suggested device replacement and repair.
• Responsible for performing root cause analysis and identify solutions to issues such as Server Crashes, Hangs and Out of Memory issues in various JDKs
• Maintained logs related to network functions, their performance and tracked maintenance and repair records
• Managed and Monitored JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools
• Developed scripts start, stop, backup recovery processes for web application server administration.
• Responsible for managing security by setting up security rules, manage users in the system implementing Single Sign On SSO
• Involved in 24/7 support for production environments.

Environment: SUN Solaris 9.0/10.0, Windows 2003 server, RedHat Enterprise Linux, Weblogic App Server 10.x/11g, Sun ONE 6.1, Windows 95, 98, NT, 2000, XP , Wily Introscope, Shell Scripting, Oracle 9i, SiteMinder 5/6.

Confidential

Middleware/WebLogic/JBOSS Administrator

Responsibilities:

• Installed, configured and administration of BEA WebLogic Application Server 9.2/10.3/11g and Apache web server on SUN Solaris 9.0/10.0 and Windows environment.
• Maintained BEA WebLogic Application Server on different UNIX platforms and have setup development, testing, staging and production environments for the on-going application development.
• Installed WebLogic servers, configured domains for deploying retail applications.
• Migrated Applications between JBOSS and WebLogic Application servers.
• Strong Production experience in managing JBOSS EAP in a clustered load balanced environment for mission critical systems.
• Experienced with Installation, Configuration, Performance tuning and Troubleshooting of JBOSS application server on different platforms.
• Deployed applications Web-Based/E-Commerce related on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality disaster recovery .
• Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
• Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the retailed applications.
• Configured BEA WebLogic on a single Server and cluster environment.
• Managed Apache HTTP on large number of partner websites
• Responsible for maintaining mod security filters to block various cross-site scripting attacks
• Managed and Monitored JVM performance by Web logic Heap Size, garbage collection, JDBC Pools.
• Worked on Memory related issues, application leak or WebLogic leak or SUN java bug. By tuning and profiling the memory with third party tools.
• Administered WebCenter Portal version 11g
• Responsible for deploying J2EE applications on WebLogic and on WebCenter portals
• Experience with virtualization using VMware
• Responsible for using VMware ESX Server / Virtual Infrastructure configure Cluster Pools and Resource Pools
• Deployed WARs, EARs using WebLogic Admin Console
• Responsible for packaging, release and build issues for a J2EE based system
• Investigated the root causes for issues related to server performance like crash, hang etc and application performance slowness etc
• Auto deployment of several applications using ANT build scripts, UNIX shell scripts
• Experienced in recording the required URL's in Wily CEM and monitoring their performance.
• Installed Wily Power packs Such as Leak Hunter, Error Detector, WebLogic Portal, Web Server etc.
• Prepared documents for production and business production environments.
• Responsible for application changes across different platforms- Development, QA and Business production and Production environments.
• Involved in a 24/7 support build and deployment support for Integration Testing, Staging, Pre- Production, Production, and Post Production environments

Environment: SUN Solaris 9.0/10.0, Windows 2003 server, Red Hat Enterprise Linux, Apache HTTP, WebLogic Application Server 9.2/10.3/11g, JBOSS 5.0/6.0, Sun ONE 6.1, Windows 95, 98, NT, 2000, XP , Wily Introscope, Oracle 9i, SiteMinder 4/5/6.

Confidential

Middleware/WebLogic/Tomcat Administrator

Responsibilities:

• Installation, Configuration and administration of Oracle WebLogic Server 8.1/9.2 and Apache Tomcat in Development, Test and Production Environments.
• Configuring Node manager in WebLogic domains for starting, shutdown and restart of Administration Server and Managed Server instances from a remote location
• Installation and configuration of Spring Source ERS Apache 2.2
• Installation and configuration Apache HTTP Server Plug-In for WebLogic.
• Experience in the architectural elements required to support large installations and maintain high availability such as clustering, and load balancing of Tomcat application server 6.x/5.x/4.x.
• Experience supporting all phases of the system development life cycle including development, testing, QA, and production of Tomcat application server.
• Deployed the applications WAR, JAR and EAR on WebLogic Clusters and maintained Load balancing, high availability and Fail over for the servers.
• Configuring JDBC Data Sources and targeting or deploying them to the clusters in the WebLogic domain
• Configured JMS connection factories, JMS Queues, File stores and Messaging Bridges for asynchronous communication among the WebLogic hosted applications.
• Setting up Secure Sockets Layer SSL communication between different applications deployed on WebLogic servers.
• Installed BEA patches using SmartUpdate tool
• Troubleshooting WebLogic server post installation issues such as Node Manager activation issues and managed server start up issues
• Installing and configuring wily java agents for WebLogic managed servers
• Good working knowledge of change and configuration management tool such as StarTeam.
• Managing, controlling and automating application configurations and deployments through SCM Pro.
• Coordinating with developers to troubleshoot and fix day-to-day application issues
• Worked with Customized WLST, Shell and Python Scripts to automate routine admin jobs.
• Tuning of Apache, WebLogic, JRockit JVM per best practices and according to the application needs.
• Installing and configuring SiteMinder agent on the Apache web server.
• Monitoring of webLogic resources WAR, EAR, JMS, JDBC using wily Introscope

Environment:SUN Solaris, Windows 2003 server, Red Hat Enterprise Linux, Apache HTTP, WebLogic Application Server 8.1/9.2, WebCenter Portal , Sun ONE 6.1, Windows 95, 98, NT, 2000, XP , Wily Introscope, Oracle 9i, Tomcat 4/5/6.

Confidential

Middleware Administrator

Responsibilities:

• Performed WebLogic 7.x/8.x Server administration tasks such as installation, configuration, monitoring and performance tuning.
• Upgrade of WebLogic Server and updating JDK versions, applying patches and installing service packs for Web Logic server.
• Worked closely with development environment aiding testers to resolve application issues.
• Build, deploy and support development, Integration test and provide detailed instructions for QA and Production environments consisting of multiple WebLogic application domains.
• Worked closely with documenting the release versions.
• Maintain all aspects of the build server including tools setup, scheduling management, setup of custom support tools, report generation and Build failure analysis and manage platform wiki documentation system.
• Auto deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
• Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on WebLogic Server 8.1.x
• Monitoring error logs, fixing problems and tuning parameters on WebLogic environment
• Configured and deployed applications in various work environments like Development, Test, Certification and Production
• Interacted with developers and Database Administrators to ensure a smooth and bug-free application deployment.
• Installed and configured Apache HTTP Server 1.43 and Apache Tomcat 5.x/6.x in various environments.
• Installed and configured plug-ins for Apache HTTP server and Sun ONE Web server to proxy the request for WebLogic server.
• Interacted with the LDAP team to configure security authentication.
• Troubleshooting with Thread and Heap analysis for detecting blocking and locked threads
• Configure and administer Connection pools for JDBC connections.
• Involved in code migration from development to production environment.
• Provided 24/7 on-call production support

Environment: WebLogic Server 7.x/8.x , Firewall, SiteMinder, JDK1.5, J2EE, Jrockit1.5, PHP, JSP, Servlets, EJB, LDAP, JDBC, XML, Sun Security, Apache 1.4.3, Tomcat 4.x/5.x.

Confidential

Network/ System Administrator

Responsibilities

• Performed hands-on administration, monitoring, and troubleshooting of Local Area network LAN , resulting in optimum performance and minimum downtime.
• Administer Microsoft Windows Servers Active Directory , Microsoft Workstations, and network security devices for 150 users. Performed system installation, general troubleshooting and maintenance for business clients and the public.
• Responsible for e-mail system and Internet Information Server, meeting employee and customer needs 24/7.
• Managed all new install projects for servers, switches, and other network resources
• Managed and motivated staff and assigned workloads. Conducted training on equipment and software utilization.
• Provided accurate and prompt support to public users, utilizing high level of customer-service skill and technical expertise.
• Planned, analyzed, designed, implemented, managed, and upgraded networking equipment for client offices.
• Advised clients on policies regarding the safety and security of servers and equipment.

Environment: LAN and WLAN Network Architecture, Proxy server, DHCP, DNS server, Apache web server, IIS Web Server, Active Directory, Windows XP, Windows 2000 server, Linux, Linksys switches and router.