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.