SUMMARY:

• 6+years of strong Professional experience in Weblogic Administration, which includes extensive experience in Unix Administration and Application server Administration providing support for Production, Development, Testing and Staging environment.
• Extensive experience with Administration of WebLogic Application Server7, 8.1, 9.2,10.3 and 11g Clustering (WLS), IPlanet Application Server, IPlanet Directory Server (LDAP), IPlanet Web Servers and Apache web Servers.
• Expertise in supporting J2EE based Enterprise applications over a wide range of operating environments across several web farms on a 24/7 rotation basis for high volume, secure transactions and Web services.
• Extensive experience in Installation, Configuration and troubleshooting of WebLogic 10.3.x.
• Interacted with BEA Weblogic Technical Support Team in resolving the Weblogic critical issues, and used to follow up on the opened tickets, by analyzing the respective thread dumps and Config files.
• Deploying Enterprise Java Beans and J2EE Applications and Monitoring the Application servers and Web servers, troubleshooting performance issues using the Log messages and Log files.
• Successful implementations of Workload Management (WLM) using cloning and clustering techniques including horizontal and vertical scaling for failover and backup/recovery processes.
• Expertise in managing JNDI, Managing Security, Configuring and monitoring JMS.
• Installation, configuration of hardware and software, migrating systems to current OS releases, upgrading software and tools.
• Deploying J2EE Application archives JAR, WAR, EAR and RAR on WebLogic Application Server.
• Experience in BPM (business process management), Oracle Fusion Middleware (SOA (service-oriented architecture) suit 10g & 11g.
• Proficient in log analysis, tuning and troubleshooting JVM, OS related issues.
• Experienced in installing, configuring and trouble-shooting Apache 1.3.x, 2.x, IBM HTTP Server 1.3.x, 2.x, Sun One (Netscape iPlanet) 4.x/6.x and IIS 5.0/6.0.
• Experience in writing Mod rewrite rules.
• Experience in Setting up of Data Sources, Configuring Servlet Engines, Session Managers including planning installation and configuration of Web logic Application Servers.
• Knowledge in AquaLogic Service Bus, OES, ALES and ALSR configuration.
• Expertise in developing Shell scripts (including sh, ksh, bash) to administer and automate batch job scheduling including Server Start/Shutdown, backup and recovery processes.
• Experienced in providing 24/7 administrative support and ability to work very well independently and in a team.
• Administration of active applications, application performance monitoring using wiley Introscope.
• Experience in J2EE (JSP, Servlets, EJB, JNDI, JMS), Java2.0, JDBC, Java Beans, RMI, CORBA, JavaScript, XML, HTML, SQL).

TECHNICAL SKILLS:

Operating Systems: Solaris 10, RedHat Linux 5.2 AE, Windows 2000 Server, Windows NT Server 4.0, Windows 95/98/XP, MS-DOS.
Application Servers: BEA WebLogic 10, 9.2, 8.1/7.1.
Web Servers: IPlanet 6.0/5.1,IIS, Netscape Enterprise server, Apache Java Web Server.
Programming Languages: Servlets, JSP, EJB, Struts, Tiles, JDBC, RMI, JMS, Web Services, Java Beans, JNDI, AWT, Swing, HTML, DHTML, JavaScript, VB Script.
Languages: UNIX Shell (Korn, bash), PERL, expect.
Database: Oracle-7.x/8.x/9.x., DB2, SQL, PL/SQL.
Config Management VSS, Win CVS
IDE: Eclipse, JBuilder, Visual Café, JDeveloper, Visual C++.
Protocols: TCP/IP, HTTP 1.1, SOAP, LDAP, and RMI/IIOP.

Confidential,IL Oct 2011 – Till date

Weblogic System Administrator

Responsibilities:

• Performed Installation and Administration of BEA Weblogic 8.1/9.2/10 and 11g.
• As a Systems Administrator was responsible to work on the architecture of the projects to plan, implement and support J2EE applications on WebLogic 11/10.3/9.2/8.1 in Solaris10/Linux Environment.
• Wrote scripts for creating, configuring, starting weblogic servers using WLST.
• Setup and configured large Enterprise WebLogic Clusters utilizing BEA’s WebLogic 10 and 9.2 MP1, wrote scripts and Java utilities that determine the performance of the Staging and Production sites.
• Responsible for installation, configuration and support of WebLogic 11/10/9.2/8.1 on Sun Solaris 10 Servers.
• Involved in WebLogic 10/9.2/8.1 testing and analyzing performance metrics and creating respective WebLogic resources.
• Installation, Configuring, troubleshooting and maintaining the Weblogic 9.2 MP1/8.1 and Apache 2.51 / SunOne Web 6.1 sp7 server.
• Provided complete migration support for WebLogic from WebLogic WLS8.1 to WL 10 tuning kernel parameters in Solaris 10.
• Developed several scripts using ksh and bash to automate jobs. (Eg. Security audit scripts, password automation scripts, network stats, filestorage, etc)
• Created WebLogic domains, managed servers, clusters, machines and start up scripts.
• Configured JDBC resources, data sources and bounded to the J2EE applications configured the connection pools for the data sources. Created the JMS Server, JMS Connection Factories, Queues, Topics, FileStore, Database Store and Message Bridges and monitored.
• Managing and Monitoring the JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools and taking Thread dumps, pstack and prstat and analyzing to find the problems in application. Configured the Session Management i.e. Memory to Memory and Database replication on Weblogic Application server.
• Involved in doing a performance benchmark of WebLogic server by using Loadrunner.
• Developed scripts (start, stop, backup & recovery processes) for WebLogic application server administration. Developed WLST/JYTHON, ANT scripts, UNIX shell scripts to automate the deployment process.
• Helped Development team in integrating weblogic environment with Tibco.
• Involved in creating and configuring the clustered platform domain for load balancing and fail over and involved in developing controls like EJB Controls, JMS Controls, AI controls and DB Controls by using Web Logic Workshop IDE
• Upgraded all Production and Non Production systems to Weblogic 10.3from Weblogic 8.1 SP4 successfully and installed DST patches. Applied patches to the WebLogic servers
• Configured Secure Sockets Layers (SSL) for data encryption and client authentication and Two Way SSL for Weblogic 8.1/9.2 using Keytool.
• Provided Migration configuration for transactions, security, services, JMS servers and services while transitioning from development to production environment.
• Installed and configured Siteminder web agents on Web Servers on Windows 2003 and Solaris 9/10 Operating Systems Configured JNDI as repository for EJB Home stubs, queues and topics and Separate Execute Queues for Heavily used EJBS
• Monitored WebLogic server resources using Wily 6.0 Introscope.
• Deployed the WAR, JAR and EAR applications in WebLogic 8.1/9.2.Responsible for application changes across different platforms- development, testing and production environments
• Identifying the need for and defining channels and queues and monitoring them.
• Involved in 24/7 support for production environments.

Environment: Weblogic 10/9.2/8.1, Apache, iPlanet, SUN One, IIS Webserver, Windows (NT, 2000, XP), Perl, Clarify, Linux, Solaris 9/10, Korn and Bash Scripting, Oracle 9i

Confidential,Rochester, MNDec 2009 – Sep 2011

Technical Support Engineer/Administrator

Responsibilities:

• Configured the Development, Staging Environment’s on BEA Weblogic Application Server 9.2/8.1 in Solaris 10 environment.
• Involved in Migrating all the Development, Staging Environment’s from Sun Solaris to Novel Linux.
• Administered Software Packages, Patches, firmware upgrade, failed devices replacement and Device Management.
• Co-ordination with Vendors like Sun and Veritas for Hardware and Software support.
• Provide configuration and management of (DNS, DHCP, NTP, disks and volume management) on Solaris 10
• Responsible for application software installation and troubleshooting, which includes customized software billing running on Weblogic 8.1 and 9.x
• Installed and configured enterprise applications on BEA Weblogic Application Server 9.2/8.1 in Solaris 10 environment.
• Configured F5 load balancer at webserver level.
• Deployed Various J2EE applications on to the clusters and Application servers and supported accordingly.
• Configuring and tuning SiteScope for monitoring of Staging Environment.
• Configured JMS Connection Pools, QUEUE, Topics, JDBC resources, data sources and bounded to the J2EE applications, configured the connection pools for the various data sources.
• Taking Thread dumps, pstack, prstat and analyzing to find the problems in application..
• Developed shell scripts to automate the maintenance process of the Web Logic and recover the backed up Web Logic 9.2 configurations.
• Created weblogic Portal domain and created projects, application and portal application in weblogic workshop.
• Created Users, Groups and Roles and assigned users to Groups and Roles.
• Created books, pages, portlets, skins and themes.
• Created Entitlements for Portal Resources and Setting Up and Managing Content. Involved in implemented different data types and defining data types in weblogic portal
• Managing and Monitoring the JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools.
• Handling Major Code Releases (MRs) for Production and Non-Production environments.
• Using Samurai to diagnose and resolve performance bottlenecks, memory leaks, excessive garbage collection, threading issues and other java coding problems.
• Configured and administered Connection pools, multi connection pools and Data Source for JDBC connections.
• Configured and deployed applications in various work environments like Development, System Test and Production on weblogic 9.2.
• Monitored the JVM heap size using Wily Introscope.
• Troubleshoot emerging application issues, from WebLogic 9.2 configuration to code issues.
• Scripting in Korn Shell and Perl for daily administration tasks.
• Developed UNIX shell scripts that automate the Weblogic Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc.).
• Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Application Server.
• Responsible for application changes across different platforms- development, testing and production environments.
• Documenting day to day problems (FAQs), major configuration changes and system architecture changes.

Environment: SUN Solaris 10 ,Novel Linux 9.0, Windows 2000, Weblogic Application Server 9.2/8.1, SunOne, IIS Webserver, LDAP, Java,J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, ORACLE, DB2,Oracle 9i,HTML, Shell scripting.