Weblogic Administrator Resume
Professional Skills:
- Over 7+ years of strong IT experience in BEA WebLogic Server 7.x/8.x/9.x/10.x administration tasks such as day-to-day site monitoring and maintenance, infrastructure configuration, network management, system installation, tuning, system backup and restoration, application migration, quality of service management and security implementation.
- WebLogic installation in all the 3 modes - GUI, Console and Silent mode Configuration template’s for various environment based installations.
- Worked on Deployment of applications in WAR, JAR and EAR formats in Domain and Clustered environments of BEA WebLogic Server.
- Extensive experience in configuring, creating and troubleshooting of JDBC connections.
- Good knowledge in other applications servers like IBM Web Sphere, Sun java systems application server (Sun One application server), JBoss.
- Extensive experience in Enterprise Applications for J2EE platform using MVC, JAVA, JSP1.2, Servlet 2.4, EJB 2.1, JDBC/ODBC, RMI 1.0, JMS 1.2, Apache Ant 1.6.Designing.
- Expert in creating and setting up User, Group and Global Roles configuration.
- Setup 1- Way SSL, 2 - way SSL and self-signed certificate configuration to WebLogic Server.
- Experience in using external LDAP configuration with Sun iPlanet server, Novell e-Directory, Open LDAP and Microsoft ADS.
- Strong experience in configuring and troubleshooting WebLogic Server issues in production, production-fix and testing environment.
- Installed and configured SunOne and Apache WebServers in various environments like Sun Solaris, Red-Hat Linux, HP-UX and Integration of the same with the WebLogic.
- Proficient in deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments of WebLogic Server.
- JDBC Connection Pool and Multipool configuration with Oracle, MySql, DB2 and SqlServer etc.
- WebLogic Administration, Monitoring and troubleshooting/debugging using Admin Console and JMX.
- WebServers - Apache, MS IIS and iPlanet configured with standalone Managed Servers and Clusters of managed servers.
- Extensively worked on cluster configuration, multi-node clusters and Deployment over clusters.
- Expertise in analyzing Memory Leaks, JVM heap settings and tuning.
- Good at Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly.
- Extensively used Shell Scripts, WLST, Jython Script for configure various WebLogic Components/Services.
- Expertise in analyzing Memory Leaks, JVM heap settings and tuning.
- Extensively used WLST, Jython Script for configure various WebLogic Components/Services.
- Good knowledge in other applications servers like IBM Web Sphere, Sun java systems application server (Sun One application server), JBOSS.
- Good at Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly.
- In-depth experience in analysis, planning, development and implementation stages, including load testing, quality assurance and tuning
Technical Skills:-
Languages/Software:
JAVA, C,C++, SQL, PL/SQL, Visual Basic
Java Technologies:
J2EE, JSP, Servlets, EJB2.0, JMS, JDBC 2.0
Protocols:
T3, T3S, Http, Https, Ftp, TCP/IP, LDAP, SNMP and POP3
Web/App servers:
Oracle/BEA WebLogic 7.x/8.x/9.x/10.x, BEA WebLogic Portal Server 8.1, JBoss 4.0.3 SP1, IBM Web Sphere , Apache Tomcat 5.0/4.5, IIS, Apache HTTP server 2.0, SunOne web server (iPlanet).
Databases :
Oracle 9i/8i/10g MS-Access, MySQL, SQL Server 2000/2005
Web/Scripting Skills:
Shell script, WLST, ANT, HTML, XML, XSLT, Applet, DHTML
Platforms/OS:
Unix (Solaris 8/10, Red Hat Linux), AIX 5.x, Windows-NT/2000/2003/98, HP-UX
Others:
CA Siteminder, Toad, Wily Introscope, Quest JProbe , MS Visio, MS Excel, Power point, Rational Rose 2000, SOAP 1.1
Version Control:
SVN, VSS, QVCS, WinCVS, Rational Clear Case
Reporting Tools:
Crystal Reports, Business Objects 6.5
Professional Experience:
Confidential,Groton, CT Jul’ 2008- Till Date
WebLogic Administrator
Responsibilities:
- Expertise in deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
- Configured Clustering of EJB objects, JDBC Connections and JMS connection factories.
- Providing 24x7 support for Testing, PLE and Production environments.
- Expertise in analyzing the WebLogic thread dump, JVM GC verbose logs, server logs, Various subsystem debug logs
- Deployed applications on multiple WebLogic Servers and maintained Load Balancing (BigIP and F5), High Availability and FailOver functionality. Configured Clustering of EJB objects, JDBC Connections and JMS connection factories.
- Involved in trouble shooting and fixing day-to-day problems of the applications in production, production-Fix and testing environment.
- Developing WLShell scripts for Monitoring WebLogic Servers, Clusters, Deployments, Queues, and Bridges.
- Set up WebLogic domain with a single Server instance for developers on their windows machines.
- Installed and configured Apache HTTP server 2.0 to work with WebLogic Server 8.1.
- Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on WebLogic Server 8.1 & 9.2
- Performed WebLogic Server administration tasks such as installation, configuration, monitoring and performance tuning.
- Involved in upgrading from WebLogic Server 9.2 to WebLogic Server 10
- Extensively worked on Big IP"s suite of products, most importantly Local Traffic Manager.
- Involved in Disaster Recovery and Production-Fix environment build and integrated it with Apache 2.0 Web Server.
- Configured Node manager for administration of Managed server.
- Deployed applications on multiple WebLogic Servers and maintained Load Balancing, High Availability and Fail Over functionality.
- Experience with F5"s Big IP version 8, 9, or 10.
- Monitored memory usage for applications using Wily Introscope.
- Provided active support for Load/Stress Testing, troubleshooting and performance tuning.
- Implemented plans in MS project and Excel for installing and configuring the applications for new releases and for maintenance events.
- Developed and maintained Administrative tasks for various applications to help support train and troubleshoot issue.
Environment: Oracle WebLogic Application Server 8.1/9.2/10.x, JDK 1.4/1.5, Apache Tomcat 5.x, SunOne WebServer 6.x, SNMP, T3, WLST, Perl, Jython, SunOne Directory Server(iPlanet), Big IP, J2EE, JDBC, Apache HTTP server 2.0, Oracle 9i, MQ series, Solaris 8.x/9.x/10.x, RedHat Enterprise Linux, Windows NT/Windows 2003.
Confidential,Wilmington, DE Jan’ 07 to Jun’ 08
WebLogic Administrator
Responsibilities:
- Administration of WebLogic 8.1 in Deployment and Production environments.
- Configuration and maintenance of WebLogic 8.1 with JDBC, JMS, JNDI, SNMP and J2EE Services.
- Involved in upgrading Weblogic 8.1 to Weblogic 9.0
- Experience in deploying web applications and EJB applications on WebLogic servers.
- Deployed applications (WAR, EAR, JAR) in Domain and Clustered environments.
- Creation of development environments for developers using Ant scripts, Shell scripts and source code management systems.
- Developing WLShell scripts for Monitoring WebLogic Servers, Clusters, Deployments, Queues, and Bridges.
- Development and maintenance of Shell scripts that facilitate the Administration of BEA WebLogic.
- Performed Load balancing and Performance tuning.
- Troubleshooting WebLogic Application Server connection pooling and connection manager with Oracle 8i, DB2.
- Monitored Memory usage of applications with JProbe.
- Involvement with the customer care and deployment teams in trouble shooting and fixing day-to-day problems of the applications in production on 24/7 schedule.
- Creation of SSL and Digital Certificates for requesting, generating and implementation for the communication between Web server and the Application Server.
- Expertise with JVM and WebLogic tuning utilizing verbose GC logs, VisualGC, JVM Stat, GC logs.
- Provide 24/7 on-call supports for critical business applications and production environments.
- Monitored the database (data tables and error tables), WebLogic, CORBA, tuxedo error log files and application error log files to track and fix bugs.
- Developed UNIX Shell, SQL, and PL/SQL scripts for day-to-day system, data and database administration tasks.
Environment: BEA WebLogic Application Server 8.x/9.x, JDK 1.4, J2EE, BEA Tuxedo, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle8i, WebLogic Server 7.0/8.1, Win2K, AIX, RedHat Enterprise Linux.
Confidential,Stillwater, OK May’ 05 – Dec’ 06
WebLogic Administrator
Responsibilities:
- Installed WebLogic 7.0 application server on Solaris Environment.
- Configuring multiple WebLogic domains in development, testing and production-fix environment.
- Configured the WebLogic server with Apache HTTP Server through WebLogic’s proxy plug-in.
- Configuring Single Managed servers and Clusters.
- Configuring Execute Threads, Connection Pools and JMS Bridges for different components of the applications.
- Monitoring Server and Domain logs, Application Deployment, performance and tuning of WebLogic server.
- Setting the JVM parameters like maximum and minimum heap size in WebLogic startup scripts.
- Configured managed server instances on different machines and clustered all the managed servers.
- Managed Log file for troubleshooting and probable errors.
- Supported WebLogic Server clustering, load balance, failover and performance tuning.
- Upgraded the WebLogic servers with necessary patches and Service Packs.
- Created the connection pools, Data Sources, JMS servers, JMS Destinations.
- Deployed java archives, web archives, and enterprise archives files on WebLogic7.0.
- Managing and Monitoring the JVM Performance by adjusting WebLogic heap size and garbage collection parameters.
- Maintained Load balancing and Fail over functionality.
- Supported on call schedule for Production support
- Involved in back-end activities like creating the tables, procedures and functions and queries in SQL Server.
Environment: J2EE, JDK1.2/1.3, JDBC, Weblogic7.0, Apache HTTP server, Solaris, Microsoft SQL Server, DB2, LDAP.
Confidential,Minneapolis, MN Mar’ 03 – Apr’ 05
Weblogic Administrator
Responsibilities:
- Installed, configured, and maintained Weblogic Server 6.x
- Well versed with Shell Scripts for Unix System backups monthly, yearly and annual.
- Involved in Installation and configuration of MS-Exchange 5.0 and 5.5 based messaging systems for internal use and for POP3, SMTP and HTTP access.
- Extensively involved in Tuning and Clustering of the WLS 6.x
- Deployed applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality.
- Developed and executed the ANT, SHELL scripts responsible for administration and maintenance of Weblogic server.
- Problem determination using local error logs and by running user traces and service traces.
- Designed and developed the Presentation layer to Loan module with Java Server Pages.
- Involved in the development of Web modules using JSP and Servlets and EJB.
- Documenting design procedures and test plans.
- Provided on call 24x7 support on a rotation basis to attend user and system calls.
Environment: JDK1.2,J2EE, JSP, Servlets, EJB, LDAP, JDBC, JMS, XML, Oracle, WebLogic Server 6.0, Apache1.4, Ant1.5.1, Win2K, Solaris, Linux and CVS .
Confidential,Richmond, VA Jan’ 02- Feb’ 03
Web Admin/Java App Support
Responsibilities:
- Install and configure Tomcat, Apache Http Server and other J2EE software products and fixes on Linux/Windows/UNIX platforms.
- Configuring individual servers for different environments.
- Configuring JDBC Connection Pools, data sources, Execute Threads etc.
- Have knowledge network protocols such as TCP/IP and HTTP.
- Ability and flexibility to support and manage dynamic 24X7 Production J2EE Environment as well as the other testing environments
- Monitor servers and applications for errors and performance problems with server monitoring tools.
- Tune application and operating system and hardware for optimal performance and general JVM tuning. Involved in application implementation and developing various modules.
- Developed and executed test scenarios, test cases and documented bugs.
- Developed JSP pages and code.
- Worked with cross-functional teams: System Admin group, QA, development team leads, project managers, document management, clients.
Environment: Tomcat WebServer 3.x, JSP, Servlets, EJB, XML, JDBC, JavaScript, Oracle, PHP, HTML, Oracle 7.x, RedHat Enterprise Linux.