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Oracle Weblogic Administrator Resume

Chicago, IL

PROFESSIONAL SUMMARY:

  • Dedicated and hardworking professional having 10 plus years of IT industry experience in the field of Middleware Server Administration and Client/Server Applications.
  • 8 plus years of industry experience in BEA Weblogic Application server 8.x/9.x/10.x/11g administration under heterogeneous environments like Red Hat LINUX, SUN Solaris 8.0, 9.0, 10.0 and Windows XP/2003/2008 .
  • Excellent working knowledge of Operation & Production Support with large mission critical systems in multiple technologies and platforms including WebLogic, SOA, Apache and UNIX
  • Extensively worked on BEA WebLogic 8.x/9.x/10.x/11g Server, Apache http Server 2.2.x as administrator for Server Installations, Configuration, Application components deployment, performance tuning including troubleshooting and maintenance.
  • Experience with installing, configuring, administering, implementing and performance tuning clustered SOA environments (10g/11g).
  • Experience in setting High Availability and clustering for SOA suite.
  • Experience in deployment in SOA suite with Stage, No - stage, External stage modes.
  • Created repositories using RCU (Repository Creation Utility).
  • Provided 24x7 on call support in production environment on rotation basis.
  • Excellent working knowledge in configuring multiple Weblogic domains including machines, manage servers and cluster environments.
  • Deployed various WAR, JAR, EAR and J2EE applications on managed servers and in clustered environment using Console or auto deployment scripts in stage and production.
  • Configured and administered JDBC Connection pools/Datasources, JMS Connection Factories and other JMS artifacts like JMS Servers, Distributed Queues
  • Deployed proxy and business services using OSB console
  • Expertise in migration and up gradation of Weblogic Server and updating JDK versions, applying patches and installing service packs for Weblogic server
  • Performed troubleshooting of OSB service calls by enabling tracing and using test console.
  • Extensive hands-on experience in setting up multiple clusters and implementing Load Balancing, High Availability and Failover functionality.
  • Configuration of WebLogic proxy plug-in and applications on servers like Apache 2.x HTTP Server.
  • Good experience in configuring and managing secured environments using SSL and digital certificates.
  • Experienced in writing UNIX Shell Scripts and implementing auto deployment process.
  • Performed thread dump analysis manually by looking for common symptoms like dead locks.
  • Installed and configured Wily agent, Wily enterprise manager and Introscope Workstation and provide application monitoring and measurement using Wily Introscope.
  • Developed startup and shutdown scripts for the Weblogic servers.
  • Coordinated with BEA to resolve issues related with BEA WebLogic products.
  • Excellent problem solving skills with a strong technical background and good communication and interpersonal skills. Self motivated and a good team player.

TECHNICAL SKILLS:

Operating Systems: Red Hat LINUX, Windows 98/2000/NT/XP/VISTA.

Middleware: BEA WebLogic Application Server 8.x./9.x/10.x, SOA Suite 11g, OSB 10g, Apache-HTTP Server 2.x

Programming Languages: JAVA/J2EE, SQL

J2EE Technologies: Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB, Applets and swing components, AWT.

Web Technologies: JDK 1.4/1.5/1.6 HTML, XML, DHTML, MSXML, ASPX.

Scripting Languages: UNIX Shell Scripting (Bourne, Korn, C and Bash), Perl Scripting.

Packages: JSDK 2.0, J2EE, Clear case, Clear Quest.

Performance Monitoring and Testing Tools: Wily Introscope, HP Sitescope, OEM 11g

IDE s/Utilities: Eclipse, Putty

Database: Oracle 8i/9i/10g, MS SQL Server, DB2.

Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, SSL

Other Tools: MS Office, TOAD.

EXPERIENCE:

Confidential, Chicago, IL

Oracle WebLogic Administrator

Responsibilities:

  • Installed, configured and administered Weblogic Server 10.3.x/11g/12c on Red Hat Linux 5.x and Windows environment.
  • Performed Weblogic server administration tasks like configuring Managed servers and setup cluster environment.
  • Worked in a production environment supporting mission-critical applications.
  • Installed and configured Apache HTTP Server 2.x Web Servers in various environments.
  • Performed migration and up gradation tasks like upgrading Weblogic server 9.2 to Weblogic 10.3 and updating JDK’s and installing service packs and patches for Weblogic Server.
  • Troubleshooting everyday problems and issues by interacting with developer and testing teams and provided 24x7 On Call Production support on rotation basis.
  • Deployed various J2EE and enterprise applications (WAR, JAR, RAR, EAR) on managed servers and cluster environment and maintained Load Balancing, High Availability and Failover.
  • Configured and administered JDBC data sources/multi data sources on Weblogic 9.2
  • Involved in monitoring error logs, troubleshooting and fixing the problems.
  • Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
  • Configure and administered Connection pools for JDBC connections.
  • Created and Configured Data Sources for database connectivity and JMS resources.
  • Used Config wizard and WLST scripts to create and manage Weblogic domains.
  • Performance tuning of JVM heap size, garbage collections, java stack and Native thread & production performance.
  • Monitoring application performance using Wily Introscope. Setting up the Introscope to alert for various metrics (CPU, heap, threads).
  • Deployed WARs, EARs using Weblogic Admin Console as well as running scripts.
  • Developed and ran UNIX shell scripts and implemented auto deployment process.
  • Troubleshooting with Thread and Heap analysis Using Samurai thread dump, TDA and Heap Analyzer for detecting blocking and locked threads.
  • Troubleshoot Weblogic Server connection pooling and connection manager with Oracle, DB2 checking the code in to cvs.
  • Experience with Oracle Weblogic, Sql, UNIX Shell scripting, CVS or other source control system and multi-threaded/multi-process application.
  • Active involvement in monitoring the server performance, network traffic to reduce performance bottleneck.
  • Experience in working with Toad to run basic production support queries.
  • Supported developers and QA by maintaining test environments and configuring application servers to development specifications.

Environment: Weblogic Server 9.x/10.3.x, SOA Suite 11g/12c, OSB 10g, JDK1.6, J2EE, JSP, Servlets, EJB, LDAP, JDBC, XML, Apache, UNIX, Red Hat LINUX, Oracle9/10gi, Win2K.

Confidential, New Jersey, NJ

Weblogic Administrator

Responsibilities:

  • Provided support to Development, Testing, Staging and Production, environments.
  • Installation, Configuring, troubleshooting and maintaining the Weblogic 8.1/9.2/10.x, and Apache 2.0 Web Server 6.0.
  • Created WebLogic domains, managed servers, clusters, machines and start up scripts.
  • Configured JDBC resources, datasoruces 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.
  • Build SOA infrastructure that is high available (HA), clustered and Disaster Recovery (DR) ready.
  • Technical Documentation: Create standard configuration settings and procedures for all layers of the technology stack.
  • Performed J2EE application deployment and administration including JAR, WAR, and EAR files
  • Configured, maintained, deployed and trouble shoot of WebLogic on multiple platforms, deployments, trouble shooting and maintenance for production, development, QA and training environments.
  • Responsible for Load balancing and Performance tuning for various WebLogic Instances.
  • Configured Clusters, Server groups and Cloning for improved availability and failover capacity.
  • Created and configured Data Sources for database connectivity & JMS resources.
  • Configured global security in WebLogic using LDAP authentication
  • Created domain configuration scripts to configure new domains, modify existing domains. Developed Linux & WLST scripts to perform automated deployments.
  • Improved Siteminder Availability through build standardization and monitoring of the environment.
  • Configure Node manager to administer the Managed servers.
  • Deployed applications formats like WAR, JAR, EAR and Web-based/E-Commerce in WebLogic 8.1.
  • Deployed applications on multiple WebLogic Server and maintained Load balancing, High Availability and Failover functionality.
  • Involved in 24/7 support for production environments.

Environment: BEA WebLogic 8.1/9.2/10.x, JDK 1.4/1.5, Apache 2.x, Webmethods, UNIX, Red Hat LINUX, Windows NT/2K/XP, Oracle 8i/9i,10i JDBC, LDAP, EJB, JSP, Servlets, XML,MS Office, OpenSSL, Secure SSH, Putty.

Confidential, Dearborn, MI

Weblogic Administrator

Responsibilities:

  • Installed Weblogic Application server 8.1/9.2 using graphic and silent mode and configured the Weblogic domain.
  • Performed 24x7 Production support for the several application across different business areas.
  • Worked as Administration, installation, configuration and tuning for Oracle SOA suite.
  • Experience in setting High Availability and clustering for SOA suite.
  • Experience in deployment in SOA suite with Stage, No-stage, External stage modes.
  • Created repositories using RCU (Repository Creation Utility).
  • Utilized pack and unpack commands for creation of domains in Dev, QA, UAT, PP and Prod.
  • Performed J2EE application deployment and administration including JAR, WAR, and EAR files.
  • Configure and administered of JDBC, JMS in Weblogic Server 10.3.x
  • Install and configured SSL certificates for Apache web server in various environments.
  • Configured and administered Weblogic server with Oracle9i/10g database.
  • Deployed the applications on multiple Weblogic Server and maintained Load balancing, high
  • Availability and Fail over functionality.
  • Installed, configured OSB 10g in a clustered high available environment.
  • Experience in configuring Weblogic domain across Data Centers in production environment.
  • Worked with F5 Networks-Big-IP for high availability load balancing of traffic to the various internet web services.
  • On call production support, technical support, trouble shooting, problems related to oracle Weblogic Server.

Environment: WebLogic 8.1.x, 9.x, Jboss 4.2.3 GA, Apache, Windows 2003, WILY Introscope, OpenSSL, Siteminder, Linux, Shell Scripting, WLST /JYTHON, Oracle 9i.

Confidential, Nashville, TN

Weblogic Administrator

Responsibilities:

  • Install, configure and administered BEA WebLogic Server 8.3/9.2 in various environments. Used config wizard extensively to create and manage WebLogic domains.
  • Deployed applications formats like WAR, JAR, and EAR in WebLogic 8.1.Configured and Administered JDBC, JMS, JNDI, SNMP in WebLogic Server 8.1.Configure and administered of WebLogic server with Oracle9i database.
  • Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and Failover functionalities Installed and configured IIS to act as a proxy server to serve various applications.
  • Created and configured websites for web hosting different applications.
  • Configure Clustering EJB objects, JDBC connections and JMS connection factories
  • Configure Node manager for administer the Managed servers
  • Used WLST to check the status of WLServers.
  • Configure Node manager to administer the Managed servers.
  • Created and configured new users groups and Global Roles to authenticate.
  • Configure and administered Connection pools for JDBC connections.
  • WebLogic 8.1. Involved in migration of Weblogic Server 8 to Weblogic Server 9.2.
  • Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
  • Worked closely with development team to troubleshoot ongoing issues in applications.
  • Created scripts to deploy applications from command line and automate log archiving.

Environment: WebLogic Server 8.3/9.2 Solaris10, Oracle9i, Apache, Sitescope, IBM Http Server, Remedy, Mercury7, BASH shell, IBM AIX Server, Web Services, LDAP, JDK 1.4.2, JSPs, EJBs and JMS.

Confidential, Bloomington, IL

Mainframe Administrator

Responsibilities:

  • Provided technical support for physical, virtual tape environment to provide support to design and programming team.
  • Analyzed production mainframe tape capacity, utilization and disaster recovery infrastructure for designing and configuring mainframe storage subsystems.
  • Provided catalog support management by generating and analyzing tape environment reports and benchmark studies.
  • Recommended updates and assisted in diagnosing defects by managing day to day functions and understanding of data encryption concepts.
  • Performed health checks to ensure preparedness for disaster management and for solving upcoming solutions before they arise.
  • Assisted users on DASD and various tape related issues such as restores, allocation errors and JCL questions.
  • Supported problems by supporting tickets for storage systems, storage devices, data backups, software, applications or network systems.
  • Performed routine activities and standardized sets of tasks and steps that are followed when addressing service needs and situations.

Environment: WebLogic Server 8.1, Apache HTTP Server, Unix, Windows 2000/NT, Oracle 9.x, SQL Server 2000.

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