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Sr. Weblogic Administrator Resume

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Irving, TX

SUMMARY

  • 9+ years of Middleware administration experience with Weblogic 8.x/9.x/10.x/11g/12c Capacity Planning, Configuration, Customization, Clustering, Troubleshooting, Performance Tuning and Load Balancing.
  • Experience in Apache 1.3/2.0/2.1/2.2 , sunone iPlanet 6.1/7, Microsoft IIS 6/7 and JBoss AS 5.1,6.0 administration.
  • Extensive experience in Monitoring and Troubleshooting Weblogic Server issues in production, Pre - production and testing environments.
  • Capacity Planning/Infrastructure design with Weblogic application environments.
  • Expertise in administration of Apache HTTP 2.0 Web Server and Sun Java System Web Server (iPlanet 6.1, 7), Oracle HTTP server.
  • Handling with troubleshooting issues like Server hang, Application Deadlock, Out of Memory, High CPU utilization
  • Solid experience in deploying the applications like WAR, JAR, RAR, EAR on multiple WebLogic Servers.
  • Experience in installation, configuration and administering Apache Web Server and Integrating with WebLogic.
  • Experienced in Performance tuning of WebLogic Servers setting optimal heap size, queue length, connection pools and JVM parameters to achieve optimal performance.
  • Extensive experience in configuring and monitoring JMS server in Weblogic and tuning the application with Work Manager.
  • Extensive experience in configuring and managing secured environments usingSSLanddigital certificates.
  • Knowledge on Big IP F5 Load Balancer administration
  • Experience in using Database Management Systems like Oracle with good knowledge of Database clients like SQL Developer and TOAD.
  • Creating Shell Scripts for automation of administration tasks, startup and shutdown of the server.
  • Experience in Monitoring tools like HP BPM, HP Sitescope and WilyIntroscope for Monitoring, Reporting, Notification, Escalation and analysis.
  • Experienced in setting up multiple domains, machines and clustered environments.
  • Experience in working with ORACLE support to resolve the Production issues.
  • Experienced in working with change management tools like Remedy and AOTS.
  • Adept Confidential root cause analysis of problems to provide TEMPeffective troubleshooting support.
  • Preparation of project documentation and tracking application related issues, bugs on internal wiki website
  • Provided 24X7 production support with on call on rotation basis, strong verbal and oral communication skills.

TECHNICAL SKILLS

Middleware: Oracle WebLogic Server 8.x/9.x/10.x/11g/12c, SunOne iplanet 6.1,7, Apache HTTP Server 1x/2.x/3.x, Microsoft IIS 6/7, JBOSS AS 5.1,6.0

Operating systems: Sun Solaris 8/9/10, Red hat Linux 4.x/5.x/6.x, Windows XP/ 2000/2003/2008 server, Windows NT4.0, AIX 5.x

Script Languages: ANT, WLST, Jython, Perl, Shell Script

Java Technologies: Servlets, Applets, AWT, Swing, Beans, EJB, J2EE, JMS, Networking, JDBC/ODBC, JNDI.

Monitoring Tools: HP Sitescope, HP BPM, WilyIntroscope, Samurai, Visual GC

IDE: Putty, Tectia, CRT, PL/SQL Developer, TOAD

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

Networking: Http, Https, T3, T3S, FTP, LDAP, TCP/IP, SSL, VPN, IDS.

PROFESSIONAL EXPERIENCE

Confidential, Irving, TX

Sr. WebLogic Administrator

Responsibilities:

  • Installation, up-gradation and administration of Oracle Weblogic Server 10.3/11g/12c on RHEL 6.6 Production, UAT and Development environments.
  • Building domains for J2EE applications and J2EE web services across multiple Environments.
  • Deployed J2EE applications on multi clustered weblogic servers and maintained load balancing, with high availability and Fail over functionality and Disaster Recovery sites.
  • Configured and administered security realms, JNDI, in Weblogic Server 10.3/11g/12c.
  • Created security roles, group policies, user authentication and authorization.
  • Configured and administered JDBC connection pools, multi pools and data sources.
  • Involved with architecture team for planning and designing necessary infrastructure for WebLogic and Apache 2.2.
  • Installed and configured Sun one iPlanet on Development, QA and Production environments.
  • Handled server hang, dead locks application and database level locks by checking thread dumps and analyzing them to find the Root cause of the issue.
  • Configured Secure Sockets Layers (SSL) for data encryption and renewal of Certificates for client authentication for Weblogic using Keytool.
  • Installed and configured Wily CA agent, Wily enterprise manager and Introscope Workstation for monitoring performance for monitoring metrics across the domains.
  • Monitoring server logs and domain logs during application deployment for performance tuning and troubleshooting.
  • Worked with Coherence and MQ Team for the Configuration of coherence and installation MQ agents on the weblogic domains
  • Involved in performance tuning of JVM by analyzing garbage collection metrics and dumps.
  • Configured and maintained the Weblogic Load balancing Clusters
  • Involved in documenting system architecture and major configuration changes there by creating run books, and installation documents.
  • Involved in building out domains and also enforcing customers to adhere to the infra build standards prevailing in organization.
  • Provided 24*7 on call Production Support.

Environment: WebLogic 10.3/11g/12c, Apache 2.x, JDK1.6, SQL, PL/SQL, Oracle 10gR2, Sun Solaris 10, Redhat Linux 6.x, WilyIntroscope, WLST, Shell scripting, J2EE, JSP, Servlets, EJB, XML, JDBC, HTML, iPlanet 7, Microsoft IIS 6/7.

Confidential, Atlanta, GA

Sr.WebLogic Administrator

Responsibilities:

  • Installed, configured and administered WebLogic Server 9.2/10.3/11g/12c on production and pre-production UNIX boxes.
  • Installed and configured Oracle iPlanet 7.1 on multiple windows servers.
  • Deployed the applications on multiple WebLogic server instances and maintained Load balancing, high availability and Fail over.
  • Deployed EAR, JAR, WAR and J2EE applications on Managed Servers and Clustered Environments using Console and Auto Deploying Scripts.
  • Configured and administered connection pools, multi connection pools and Data Source for JDBC connections.
  • Setup the clustered environment both multicast and unicast for WebLogic server integrated with multiple work flows.
  • Managed and monitored the JVM performance by adjusting WebLogic heap size and garbage collection parameters.
  • Involved in configuring hard ware load balancer with application servers to provide scalability and reliability.
  • Monitored server logs and domain logs during deployment and did the necessary performance tuning by analyzing them.
  • Analyzed thethread dumps, application and server logs and configuration filesfor identifying the root cause of a problem.
  • Worked with Oracle support and developers on production issues and find the quick work around.
  • Monitored disk space, CPU, RAM utilization and other necessary commonly shared web services.
  • Installed, configured and administered Apache 2.2 web server in various environments.
  • Wrote and scheduled scripts via cron for log rotation.
  • Configured & performed tuning of HP SiteScope for monitoring application URL’s and tracking SLA’s.
  • Configured and maintained Version control SVN and used as central repository.
  • Created detailed documentation about complete installations and configurations performed.
  • Provided 24*7 on call Production Support.

Environment: WebLogic 9.2/10.3/11g/12c, iPlanet 6.1/7, Microsoft IIS, JDK1.6, SQL, PL/SQL, Oracle 10gR2, Sun Solaris 10, Redhat Linux 5.x, HP SiteScope, HP BPM, WilyIntroscope, WLST, Shell scripting, J2EE, JSP, Servlets, EJB, XML, JDBC, HTML, HP QC, AOTS.

Confidential, Cleveland, OH

WebLogic Administrator

Responsibilities:

  • Installed, configured and administered BEA WebLogic Server 8.1/9.2/10 in various environments.
  • Configured, deployed and provided support for applications in Integration, Development, QA and Production environments.
  • Installed and configured Sun one iPlanet 6.1 on Development, QA and Production environments.
  • Setup the clustered environment for WebLogic server integrated with multiple work flows.
  • Configured and administered connection pools, multi connection pools and Data Source for JDBC connections.
  • Developed Startup, Shutdown, log rotation and many other automation scripts for the servers.
  • Configured and administered JDBC, JMS and JNDI.
  • Involved with architecture team for pre planning and designing necessary infrastructure for WebLogic and Apache 2.2.
  • Worked proactively to find potential issues that can cause production environment downtime.
  • Worked in Coordination with Database, Development and Testing teams during the release process with the release team.
  • Managed and monitored the JVM performance by adjusting WebLogic heap size and garbage collection parameters.
  • Monitored logs, fixed problems and tuned parameters in WebLogic environment.
  • Experienced in configuring Apache plugins, vHosts, and redirection & re-write rules.
  • Updated BEA license keys on WebLogic servers; communicated with Oracle to reconfigure licenses.
  • Configured Script based Node manager for the start, shut down and restarts of Managed servers.
  • Actively involved in upgrading to new Service packs.
  • Involved in handshake calls, coordination and assisting on-site/off-site teams in managing and administering the application.
  • Provided 24*7 on call Production Support.

Environment: WebLogic8.1/9.2/10, Apache 2.0, Sun Solaris 10, Microsoft IIS 6.1, SQL, PL/SQL, DB2, Oracle9i/10g, JDK, J2EE, Jmeter, Mercury/HP Diagnostics, TOAD, WLST, Shell scripting.

Confidential, San Diego, CA

WebLogic Administrator

Responsibilities:

  • Installed and configured WebLogic Server 8.1/9.2/10, Apache HTTP Server 1.2, Tomcat 4.1, Sun One webserver and administered the process of deploying the Enterprise Components in AIX and Solaris environments.
  • Developed UNIX shell scripts to automate the WebLogic Administration ( deploying customer applications, logs rotation, monitor applications state, etc.,).
  • Developed Crontab scripts for timely running jobs and provide server status.
  • Removing/Updating deployed applications within the application environment.
  • Configured and deployed applications in various work environments like Development, System Test and Production.
  • Administered connection pools and data source for JDBC connection.
  • Developed bash Shell scripts for the User account Management across the enterprise.
  • Supported WebLogic Server clustering, load balance, failover and performance tuning.
  • Performance tuning in the aspect of Database Connection Pooling. Built reports for tracking the Workflow.
  • Installation and testing of all upgrades, patches, and maintenance updates Confidential the Operating System level.
  • Installed and configures SSL for Weblogic, Apache and Tomcat.
  • Tuned TCP/IP, JVM’s, JVM heap size, garbage collections, Java stack, Native thread
  • Configure JNDI server as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
  • Configured WebLogic server and Tomcat server with Apache server through Apache proxy Plug-in
  • Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.

Environment: WebLogic8.1/9.2, Apache 6.0, SUN Solaris 9, Windows server 2003, J2EE, SQL, Oracle 10g, JDBC, JMS, Apache HTTP Server 1.2, Tomcat 4.1, Sun One webserver, WILY Introscope, SSL, Shell scripting, WLST, ANT.

Confidential

WebLogic Administrator

Responsibilities:

  • Installed and configured WebLogic Application server for both development and production environments.
  • Configure and administered of JDBC, JMS, JNDI in the Weblogic Server.
  • Installed and configured Apache web server in the environment.
  • Deployed the applications on multiple Weblogic Server and maintained Load balancing, high availability and Fail over functionality.
  • Configure and administered of Weblogic server with Oracle9i database
  • Deployed applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality.
  • Involved in research and troubleshooting of emerging application issues, from WebLogic configuration to code issues.
  • Worked on potential issues and tickets within minimal downtime.
  • Used ANT to run build scripts, developed UNIX shell scripts and auto deployment processes.
  • Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers.
  • Monitored the cluster for performance issues in respect to JVM Heap Size.
  • Provided 24/7 on call Production Support.

Environment: WebLogic server 8x/9x, JDK 1.4, J2EE, JDBC, JMS, Sun ONE, Sun Solaris, Oracle 9i, UNIX, Shell Scripting, Windows NT/2003, Visual GC, Samurai, TOAD, IBM CQ.

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