Weblogic /soa Administrator Resume
Atlanta, GA
SUMMARY
- Over 7 years of industry experience in Information Technology as an Application Server Engineer specializing in WebLogic, JBoss and Tomcat administration.
- Experience with installing, configuring, administering, implementing and performance tuning clustered Oracle SOA suite 11.1.1.4 (BPEL, ESB, BAM, Web Center), Oracle Weblogic Server, Oracle HTTP Server, Identity Management, Configuring Metadata, Patch Upgrades.
- Expertise in installing, configuring WLS domains, load balancing, performance tuning, deploying, troubleshooting and maintaining of WebLogic servers.
- Monitor systems capacity and performance, plans and executes disaster recovery procedures, and provides Tier 2 technical support.
- Having a good knowledge on clustered environments and client - server architecture.
- Excellent working knowledge of Operation & Production Support with large mission critical systems in multiple technologies and platforms including WebLogic, SOA, Apache and UNIX
- Experience in setting High Availability and clustering for SOA suite.
- Experience in deployment in SOA suite with Stage, No-stage, External stage modes.
- Experience in Oracle service bus, Oracle policy automation and
- Created repositories using RCU (Repository Creation Utility).
- Provided 24x7 on call support in production environment on rotation basis.
- Installed, configured and maintained WebLogic 12.1,11g,10g,9.2/8.1 with JDBC, JMS, JNDI, SNMP and J2EE Services.
- Strong experience in web logic scripting and WLST.
- Performed troubleshooting of OSB service calls by enabling tracing and using test console.
- Deployed different Applications (WAR, JAR, and EAR) in Domain and Clustered environment.
- Experience in Willy CA Wily Introscope monitoring tool.
- Coordinated with Oracle to resolve issues related with WebLogic products.
- Excellent problem solving skills with a strong technical background and good communication and interpersonal skills. Self-motivated and a good team player.
- Well Versed in WebLogic, JBOSS, Apache, Sun One web and application server, LDAP, Reverse Proxy, Load balancer and Trouble shooting skills.
- Familiar in J2EE technologies such as EJB, Java, JSP, Servlets, XML, and Web Services.
- Experience with web servers like Microsoft IIS and Apache
- Experience in administering and maintaining various platforms: Windows Server 2000, 2003 and Linux.
- Experience in Unix/Solaris, Sun One Server, REDHAT LINUX.
- Experience in F5, Load Balancing, Big IP.
- Experience in writing apache ANT scripts to build java applications.
- Experience in Web Services architecture in SOAP and WSDL, administering BigIP.
- Experience in integrating LDAP/SunOne/Active Directory servers with WebLogic servers to enable user authentication/authorization and also configured Site Minder to enable single sign on.
- Ability to understand client requirement and provide the best solution. A keen desire to learn and update knowledge base and skill sets to keep abreast of latest technologies and trends.
- Performance tuning of WebLogic server with respect to heap, threads and connection pools.
- Experience in installation of ORPOS(oracle retail point of service)
- 24/7 production on-call support on SOA Suite 10g/11g and multiple middleware products.
- Ability to work in team-oriented, multi-tasking, fast-paced and matrix managed environments.
TECHNICAL SKILLS
Middleware: WebLogic Application Server 8.x./9.x/10.x/11.g/12.c, SOA Suite 11g, Jboss 4.2.3/4.3.0 , Apache-HTTP Server 2.x Oracle IAM suite, Oracle SOA Suite (BPEL, ESB, BAM, WSM) Administration, Oracle Service Bus 10g, 11g, Oracle Metadata Repository, Oracle HTTP Server, Oracle Web Cache, Oracle Webcenter, Oracle E-Business Suite 12.1, Identity and Access Management.
Scripting Languages: UNIX Shell Scripting, Perl Scripting, WLST
Programming: Java, C, C++, PERL, J2EE, JavaScript, PL/SQL, SQL, HTML, UML.
Operating Systems: Windows, Linux (SUSE, REDHAT), HP-UX, Sun Solaris and Mac.
Database: Oracle8i/9i/10g, DB2 UDB, MySQL, MS SQL Server.
Messaging Services & Version Control: IBM Websphere MQ, TIBCO, JMS, SVN, Perforce, CVS, PVCS, Visual SourceSafe (VSS), Clear Case
Tools: Ant, Maven, Rational Rose, Log4J, Cruise Control, Jgoodies Swing Suite, Toad, Jasper Reports, Crystal Reports and iReport tool, QTP, JUNIT, PR-Tracker, JIRA, BugZilla, FIT
Monitoring Tools: OEM Grid Control, JRockit MC, JConsole, IBM Tivoli, Site scope, Wily Introscope.
PROFESSIONAL EXPERIENCE
Confidential, Atlanta, GA
WebLogic /SOA Administrator
Responsibilities:
- Performed WebLogic Server 10g and 11g server administration tasks such as Installation, Configuration, Monitoring and Performance Tuning.
- Installed and configured Apache 2.0/2.2, SunOne 6.1 webservers in Dev, Pre Prod, Production environments and proxies the same with Weblogic application server using plug-ins.
- Installed and configured SOA Framework with Oracle Fusion Middleware Components like BPEL, ESB, OWSM, OAM.
- Installed and configured the high availability setup for Fusion Middleware. This includes setting up Oracle Weblogic Servers in a cluster and Oracle HTTP servers, to point to them and configuring the web servers with a load balancer.
- Good understanding of SOA in fusion and Weblogic development. Life cycle activities
- Deployed various WAR, JAR and EAR applications in Production and non-production Environments on WebLogic.
- Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on WebLogic Server.
- Troubleshooting WebLogic Application Server connection pool issues with Oracle DB as backend.
- Automate routine administrative tasks and monitoring components using Enterprise Manager Grid Control.
- Created, configured and managed JMS servers, Connection Factories, destinations and Stores.
- Administered performance tuning capabilities in solving environmental/configuration issues that customers have in web server plug-ins, Cluster setups, JMS foreign server configurations, Connection Pools setup etc., these involve third party products' interaction with the Weblogic Server.
- Developed Startup, Shutdown and bounce the Weblogic server scripts.
- Scheduled CronTab scripts for timely running jobs and provide server status.
- Maintained Load balancing, high availability and Failover functionalities.
- Configured LDAP using Oracle Internet Directory for user authentication.
- Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
- Created Work Managers for the specific applications based on their priority.
- Worked with performance monitoring tools like Wily Introscope with WebLogic application server.
- Worked with profiling tools like JProbe with Weblogic Server.
- Monitoring error logs, fixing problems and tuning parameters on WebLogic environment
- Extensively used Verbose GC for garbage collection and tuning Heap size to reduce memory leak.
- Monitoring the startup logs for any exceptions or errors. Performing regular health checks for the servers in the Testing and Production environments.
- Involved with the developers in trouble shooting and fixing day-to-day problems of the applications in Production on 24/7 schedule.
Environment: WebLogic Server 10.x,11g Apache webserver 2.0/2.2, JDK, LDAP, EJBJDBC, XML, Oracle 10g, Solaris 10, SOA Framework, Oracle ESB, Web Services, Fusion Middleware.
Confidential, Los Angeles, CA
WebLogic / SOA Administrator
Responsibilities:
- Worked on Oracle SOA, BPEL, BPM and Identity and Access management suite.
- Performed migration activities i.e. moving code from development teams through different environments for WL 10.x deployments.
- Migrated Weblogic 8.x/9.x to Weblogic 10.x
- Performed web server (Apache) administration UNIX
- Configured and administered JDBC, JMS, and JNDI in WebLogic Server8.x, 9.x
- Configured and monitored application servers in Production on WILY Introscope.
- Worked with both technical and non-technical teams to establish project plans and ensure timely completion of projects.
- Troubleshooting using thread dump, heap dump and Garbage collection analysis for WebLogic server issues.
- Regularly involved with troubleshooting, debugging, script building, automation innovation, monitoring, develop document and procedures, etc.
- Testing and set-up of oracle fusion and validation of BPM
- Created Managed Servers and Node Manager in Production Servers and test servers.
- Developed Scripts for deploying applications in different environments using weblogic.Deployer utility.
- Involved in Oracle Internet Directory setup.
- Configured LDAP using Sun ONE Directory Server for user authentication.
- Provided technical support for Production application environments. 4
- Participate in full development lifecycle activities ranging from code install, troubleshooting performance and resolving production issues.
- Monitoring the error logs, fixing the problems and tuning parameters on WebLogic environment.
- Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
- Worked on 24/7 on calls to support various applications
- Worked with different teams to automate and improve the migration process
Environment: Weblogic 9.x and 10.x, JDBC, JMS, JNDI, LDAP, SSL, Oracle SOA Suite, Oracle DB.
Confidential, Lansing, MI
Weblogic Administrator
Responsibilities:
- Installation, configuration and maintenance of WebLogic Application Servers 8.1 and 9.x on Solaris 9/10 in multi domain environment for multiple applications.
- Install and configure Flagship WLS Cluster environment using WebLogic Monitor various Weblogic and WLI applications like Flagship, PVTS, INVREP, and MSRCENTRAL.
- Responsible for installation, configuration and maintenance of J2EE applications on WebLogic Application Server, JBOSS in a multi clustered high availability environments.
- Involved in migration BEA WebLogic 8.1 version to 10.3, performing patch upgrades, SP (service pack) installations & SSL certificates renewal.
- Install and configure Tomcat and JBoss servers.
- Develop Unix/ANT scripts for application building and deployment.
- Exposure to Rational tools like Clear Case and Clear Quest.
- Designed, developed and deployed necessary stored procedures and triggers in Oracle 8.x for archiving the audit logs.
- Involved in upgrading from WebLogic Server 9.2 to WebLogic Server 10.
- Server Hang, Deadlock, application level lock, database level lock by taking thread dump and analyze to get the root cause for the hang.
- Provided technical supports for non-production applications.
- Involved in automating the system by writing UNIX Shell scripts at the OS and WLST scripts at WebLogic level to minimize repetitive manual tasks for better system monitoring and problem resolution
- Configured LDAP service for WebLogic secure authentication.
- Configured Node Manager in a clustered environment & assigning the node manager to various WebLogic server components for remote administration.
- Involved in designing and developing system monitoring websites. Developed the server side components like JSP, EJB, Servlets, and Action Classes according to the Struts framework.
- Responsible for maintenance of Tibco server such as checking the status & starting/stopping servers etc.
- Involved in automating the system by writing UNIX Shell scripts at the OS and WLST scripts at WebLogic level to minimize repetitive manual tasks for better system monitoring and problem resolution Extensively involved in migration from Weblogic to Tomcat and JBoss
- Experience with SVN Version Control, creating Repositories, maintaining Versions, Creating and maintaining Tags and Branches.
- Apply and Configure Security patches at WebLogic, JDK and Application levels.
- Provided 24*7 on call support & Interaction with Oracle/BEA, SUN on issues and resolution.
Environment: WebLogic 8.x/9.x/10, IPlanet 5.1/6.0, AquaLogic, ESB, JBOSS, Webmethods61, SunOne, Linux 9.x, Sun Solaris, Apache Web Server, iPlanet web server, UNIX, Windows NT/2000, IBM MQ Oracle 10g,DB2 8.1, IBM MQ, Java/J2EE, LDAP, BigIP, ANT, Rational ClearQuest, Rational ClearCase, Remedy, Perl,Tomcat 5.x/6.x, Entrust get Access, Siteminder, Korn Shell.
Confidential
Weblogic Administrator
Responsibilities:
- Install and configure of WLS Cluster environment using WebLogic Platform 8.1 SP2/3/5.
- Lead the Enterprise Application Integration project to connect multiple systems that use high volume file transfer and messaging.
- Involved in cluster environment creation and deploying various J2EE applications on the cluster and implemented Load Balancing, High Availability and Failover features.
- Extensive work using JMS Systems, create distributed queues for sending and receiving.
- Messages from various sources/targets from outside the company network.
- Develop Unix/wlshell scripts for application building and deployment.
- Extensively involved in Building and Deploying J2EE Applications.
- Experience in all areas of EAI including: Messaging, B2B, Workflow, ERP Integration.
- Tune various WebLogic performance parameters to make the application highly scalable and thereby improving the overall system performance.
- Responsible for resolving WebLogic bugs on different platforms and isolating product, QA and vendor issues related to JDK/OS issues.
- Responsible for identifying Integration issues across WebLogic Servers, WebLogic Integration, WebLogic Portal and WebLogic Workshop working with other team members to resolve the issues.
- Work in a clustered environment across heterogeneous systems with various versions of WebLogic Servers.
Environment: WebLogic platform 8.1, WebLogic Integration 8.1, WebLogic Workshop 8.1, Oracle 8.X/9.X, Tomcat, JBoss, Windows 2000 Server/Professional, SPLUS, EXE, Cyclone, XML, JMS, Exchange Server 2000, LDAP, HP-UX 11.0, ClearCase, RedHat Linux 8, Mercator, CVS, Apache Web Server.
Confidential
WebLogic Support Engineer / Administrator
Responsibilities:
- Configured new Weblogic domain using graphic mode and silent mode installation.
- Created managed servers and configured Node Manager for these managed servers.
- Involved in cluster environment creation and deploying various J2EE applications on the cluster and implemented Load Balancing, High Availability and Failover features.
- Troubleshooting the issues occurred during the deployment of J2EE applications and EJB Components and during in production environments with help of Logs.
- Involved in Load testing the application running on Weblogic server using various tools.
- Performance monitored by observing JVM Heap Size on regular intervals and invoking Java Garbage collector to free up JVM Heap memory.
- Working knowledge of IBM-MQ Series for messaging service.
- Thread and Heap analysis using thread dump tools like samurai and TDA and finding the blocking and locked threads.
- Configured various channels for SSL communications.
- Provided On Call support on Pre-Production and Production environments.
Environment: WebLogic 7.x/8.1, UNIX, LINUX, Windows 98/2000/XP/NT, JDK 1.1/1.2/1.3/1.4, Samurai, Load runner, TDA, SSL, JDBC, IBM-MQ Series SQL/PL-SQL, JSP, Servlet, EJB, HTML, XML.
