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Senior Middleware Admin Resume Profile

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Atlanta, GA

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Work Experience

INTERCONTINENTAL HOTELS GROUP IHG

Confidential

Senior Middleware Admin

Responsibilities:

  • Installation, Administration and Configuration of WebLogic Application Server 9.2/10.3 on Redhat Enterprise 5.5
  • Used Tomcat 6 as servlet container for various in house web applications
  • Configuration and Maintenance of JDBC, JMS, JNDI and other J2EE Services with WebLogic 9.2/10.3.
  • Configured Apache as proxy WebLogic Application Servers.
  • JNDI repository configuration for EJB Home stubs, JDBC Data source, JMS connection factories and queues.
  • Involved with Development, QA and build release team for Application Deployment WAR, JAR, EAR in Clustered WLS domain environments to achieve High Availability and Fail-over.
  • Maintained Shell scripts and WLST for deployment of application code to Development, System Test and Production environments Clustered .
  • Performed performance tuning of WLS for optimal performance by optimizing the Java memory settings and GC parameters. Also used other tuning techniques like using work managers for prioritizing tasks, using native muxers for incoming requests and setting up network channels for optimal WLS performance.
  • Node manager configuration for administering and remote starting Managed Servers.
  • Upgrade of WebLogic 9.2 to WebLogic 10.3
  • Deploy, redeploy and undeploy a SOA composite application from Oracle Enterprise Manager Fusion Middleware Control Console.
  • Installation, configuration and administration of JBoss AS6
  • Install, configure and administer BEA weblogic Server 11g in various environments.
  • Install and configure Apache web server.
  • Deployed the applications on multiple Weblogic Servers and maintained loadbalancing, high availability and Failover functionalities.
  • Troubleshooting application issues using log analysis, thread dump analysis and heap dump analysis.
  • Performance Analysis of WebLogic 10.3 Server using Wily Interscope.
  • Deployed Puppet for configuration management to existing infrastructure
  • Deployed Puppet for automated management of machine configurations.

Confidential

WebLogic Admin

Responsibilities:

  • Maintenance of BMW Dealer Systems application being run on WebLogic 8.1 SP4 and WebLogic 10.
  • Responsible for upgrade of WebLogic 8.1 SP5 to WebLogic 10.
  • Used WLST and Shell scripting tools for automated content deployment
  • Integrated Wily Interscope with WebLogic 10 as external performance monitoring tool
  • Responsible for upgrade of Google Search Appliance to version 5.5
  • Provided on call production support for Dealer Systems Development, System Test, QA, and Production environment
  • Installed and configured Apache web server.
  • Different applications were deployed on Multiple Weblogic servers.
  • Monitored Health of WebLogic Servers in Production Attended ERT Calls for Production Issues
  • Performed in JVM profiling and JVM performance tuning using Garbage Collectors
  • Analyzed Garbage collection log files using GC Viewer.
  • Management of WebLogic servers in development, testing and production environments.
  • Responsible for maintaining Oracle Fusion Middleware components like Oracle SOA Suite, OID Oracle Form Services.
  • Deployed Applications in WebLogic Portal Server 9.2
  • Contributed in development and maintenance of Group Policies
  • Developed infrastructure, Installation and support of System, Test, UAT, Staging, and Production Environments
  • Analyzed WebLogic Thread Dumps using tools such as Samurai
  • Configured managed server instances on different machines and clustered all the managed servers.
  • Configured WebLogic server with iPlanet web server through WebLogic's proxy plug-in.
  • WebLogic servers configuration with standalone and clustered Managed Servers along with Unix cluster configuration - single, multiple clusters and deployment over clusters.
  • Hand on experience with Jenkins tool.

Confidential

Web Infrastructure Engineer

Responsibilities:

  • Responsible for maintenance of three major Fed Govt. websites being run on WLS 8.1 SP5 in separate sets of environments.
  • Upgraded the WebLogic servers with necessary patches and service packs.
  • Created the connection pools, data sources, JMS servers, JMS destinations.
  • Deployed different application WAR files, EJB JAR files and enterprise application archive EAR on WebLogic 8.1 SP5
  • Responsible for system maintenance, designs, plan and installation and implementation of applications in UNIX environment. Coordinating with Project management, Change Management, Development and Testing team.
  • Performing in-depth problem troubleshooting, resolution, and root cause analysis for application issues.
  • Integrated Wily Interscope with WebLogic as external performance monitoring tool.
  • Used CDN as the caching network.
  • Involved in upgrading WebLogic 8.1 from SP2 to SP5.
  • Configured Apache to serve the static content and also forward requests to back end WebLogic Server.
  • Used repliweb and Vignette as web content management and deployment tools.
  • Supported staging, production and DR environments.
  • Provided on call production support and when required
  • Supported other Savvis client applications using Websphere 6.1/7 as the application server in staging and production Environments.

Confidential

Weblogic Administrator

Responsibilities:

  • Installed, configured and administered BEA Weblogic Server 8.1 in prod, preprod and maintenance environments.
  • Used customized Weblogic scripts extensively to create and manage Weblogic domains
  • Deployed WAR, JAR, EAR applications in Weblogic 8.1.
  • Strong knowledge in creating and configuring clustered Weblogic environments.
  • Configured and administered various Weblogic services JDBC, JMS, SNMP in Weblogic Server 8.1.
  • Configured JDBC connection pools to connect to various databases like Db2 and Sybase
  • Involved in upgrading Weblogic Service Pack from SP3 to Sp5.
  • Researched and troubleshot emerging application issues, from Weblogic configuration to code issues.
  • Used Covalent ERS 2.4 and 3.0 as a package for Apache HTTP Web Server and the Tomcat Application Server.
  • Configured Apache to act as proxy server for back end Weblogic and Tomcat application servers.
  • Strong knowledge in trouble shooting Apache issues.
  • Strong knowledge in deployments, configuration and troubleshooting Tomcat application server.
  • Used BIG-IP external hardware for redirecting traffic to separate network layers Load Balancing .
  • Configured Tivoli Access Manager LDAP for user authentication.
  • Installed Configured and Implemented Interwovens OpenDeploy for automated content deployment.
  • Involved in migration of various Apache/TomCat applications from Solaris to Linux.
  • Detailed experience in using WebMethods Integration Server.
  • Supported on call schedule for Production support.

Additional Experience

MIDDLEWARE ADMINISTRATOR WEBLOGIC

  • 7 years of IT experience with expertise in Middleware Administration. Specialist in WebLogic, JBoss, Tomcat, Apache, Iplanet Server Administration.
  • Expert in installation, configuration, trouble shooting, performance tuning/monitoring and upgrading of Weblogic Application Server on various Linux platforms Sun Solaris 9/10, Redhat 5.x, AIX
  • Expert in creating Clustered Weblogic environment for Load Balancing and High Availability
  • Extensive experience in configuration of Weblogic Server resources, including, JDBC data source Generic/Multi datasource , JMS Resources JMS Server, JMS Connection Factories, Distributed Destinations Topics/Queues .
  • Configured JNDI as repository for EJB Home stubs, JDBC Data source,JMS connection factories, queues and topics
  • Experienced in automation of deployment tasks of Enterprise Level Applications .war,.jar,.ear in clustered and non clustered Weblogic environment using Weblogic scripting tool WLST
  • Experienced in trouble shooting and performing root cause analysis of application performance issues.
  • Expert in thread dump analysis and java heap dump analysis to diagnose and trouble shoot memory leak issues.
  • Well experienced in Tuning Weblogic for optimal performance by optimizing the Java memory settings and GC parameters. Also experienced in other performance tuning techniques like using work managers for prioritizing tasks, using native muxers for incoming requests and setting up network channels for optimal WLS performance.
  • Used Node Manager for remote starting managed servers in clustered WLS domain.
  • Configured Apache and Sun One Iplanet web servers as a proxy server to forward request to back end clustered Weblogic server domains.
  • Used internal WLS monitoring as well as integrated external monitoring tools like Wily Interscope for performance monitoring of WebLogic Servers.
  • Configured SSL: 1- way SSL and 2 - way SSL handshakes.
  • Used Remedy as a Change Management and Change Control tool.
  • Used third party security providers like Tivoly Access Manager and Oracle Identity Manager as LDAP for user authentication.
  • Wrote new and modified existing shell scripts for various day-to-day repeating work and monitoring purposes, such as code staging/deployments, server-bounce, file transfers, process-monitoring, log/error checks et
  • Set up Cron-job for various processes/nightly batch jobs that run in Production, Training and QA environments.
  • Involved in upgrade of weblogic server from 9.2 to 10.3
  • Experienced in applying WLS update patches.
  • Excellent database knowledge using Pointbase, SQL, PL/SQL, Oracle, Sybase and MS SQL Server.
  • Experience in full Project Life Cycle including Analysis, Design, Testing and Documentation of various J2EE applications.
  • Performing in-depth problem troubleshooting, resolution, and root cause analysis for application issues in production.
  • Documenting customer problem information, recommendations, and resolution utilizing specific call tracking tools/methodology.
  • Ability to implement new concepts and applications.
  • Installed and configured Apache Tomcat 6 and 7 for deploying various web applications.
  • Configured Apache virtual hosts to forward request to Tomcat workers in clustered environment
  • Apache Tomcat clustering by enabling Session replication in tomcat for failover and load balancing.
  • Configuring Datasoure with a DB connection pool in Tomcat application server.
  • Operating the Apache Tomcat Deployer to deploy, precompile, and validate web applications.
  • Operating the Manager web app to deploy, undeploy, and redeploy applications while Apache Tomcat is running.
  • Installing and configuring SSL support so that your Apache Tomcat will serve requests using the https protocol. High Concurrency JDBC Pool - Configuring Tomcat to use an alternative JDBC pool.
  • Strong communication and interpersonal skills.

Technical Skills
  • Platforms: Solaris 8,9,10 , Windows NT/95/98/2000/XP, AIX, HP, Linux RHEL
  • Languages: Java, C/C /C , ASP.NET, PHP, HTML/DHTML, XML, JSP, Unix Shell, SQL
  • Packages: J2EE, JDK 1.1/1.2/1.3/1.4, JSDK 2.0, JSWDK,BDK, JFC, Jrockit
  • Databases: SQL, MySQL, DB2 and Oracle 8/9i, MS Access
  • Tool: WinRunner, LoadRunner, Wily Introscope, Siteminder, Jprobe
  • Web Servers: Sun One, Apache, Microsoft IIS, IBM HTTP
  • Application Servers: WebLogic 8.1/9.2 /10, IBM Websphere, Tomcat , JBoss
  • Protocols: TCP/IP, SNMP, POP/SMTP, HTTP, and FTP
  • Environments: JDK 1.4, J2EE, JSP, Servlets, EJB, LDAP, JDBC, JMS, XML, Oracle 9i, WebLogic Server 8.1/9.2/10.3, WebLogic Portal, Sun One 6.0, Apache 2.0, IIS, WIN NT/98/2000, Sun Solaris, AIX, Linux

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