Middleware/weblogic/jboss Administrator Resume
White Plains, NY
SUMMARY
- 8+ years of IT industry experience with hands - on experience in middleware administration using WebLogic, WebSphere, JBoss, and Tomcat application servers under different operating environments.
- Experience in Installation, Configuration, Trouble-Shooting and Maintenance of BEA Weblogic application server 7.0/8.1/9.x/10.x/11g/12c, JBOSS 4.x/5.x/6.x, WebSphere 5.x/6.x, JBoss 4.x/5.x/6.x, iplanet Web Server, Apache Web Server on different UNIX flavors and environments.
- Experience with Apache Webserver 2.0/2.2 and 2.3 and Tomcat 6.0.
- Extensive experience in configuring WebLogic Clusters (Horizontal and Vertical) for Load-balancing and Fail-over solutions.
- Strongly experienced in the installation, configuration and administration of JBoss, Application Server versions 5.x/6.x.
- Experience in setting up multiple Domains and Machines using Admin console.
- Extensive experience in setting up multiple Domains, configuring, monitoring, administering Admin Servers, Managed Servers, and Node Manager.
- Good knowledge in configuring Node Manager, associating managed servers to a Machine to control/monitor Managed Servers.
- Good Experience in creating and configuring Clustered environments to maintain load balancing and high availability of applications.
- Well versed with deployment of J2EE applications such as WAR, JAR, EAR, and RAR in clustered environment using Admin console, Shell scripts & WLST scripts.
- Expertise in writing WLST scripts using Jython/Python for starting, stopping servers, Node managers and deploying applications.
- Experience in configuring and administering JDBC resources (DataSources, connection pools), JMS resources (Queue, Topic, connection factory) in WebLogic and JBoss.
- Sound knowledge of Java Naming and Directory Services (JNDI).
- Experience in analyzing Log files such as WebLogic/JBoss server logs, node manager logs and Plug-in logs for troubleshooting and problem determination to resolve issues.
- Experience in collecting Thread Dump, Heap Dump and analyzing them by coordinating with development team.
- Excellent working knowledge in finding the Memory Leaks and adjusting the JVM Heap Sizes and Garbage Collector Parameters during performance monitoring and performance tuning of WebLogic/JBoss servers.
- Extensive experience in installation, configuration and deployment of virtual servers through VMWare.
- Experience in configuring LDAP on the Application Servers for user authentication.
- Good Experience with Protocols and Utilities like TCP/IP and HTTP/HTTPS.
- Experience in 24/7 on-call production support and troubleshooting problems related to Oracle WebLogic, Apache servers.
TECHNICAL SKILLS
- Apache HTTP 2.0/2.2/2.3
- Web server
- IIS 4.0/5.0/6.0
- Sun One Web Server and IBM HTTP server 6.xBEA WebLogic7.x/8.1/9.2/10.x/11g/12c
- IBM WebSphere 5.x/6.x
- Tomcat 5.x/6.x
- JBoss 4.x/5.x/6.xJSP
- J2EE
- JDBC
- EJB
- JMX
- JDK1.3/1.4/1.5
- Servlets
- Java Beans
- RMI
- JNDI
- JDBC
- JMS
- JAAS
- XML
- HTML.Java Script
- Unix Shell Script
- WLST Script
- VB
- VBScript
- PerlOracle 8i/9i/10g
- MS Access
- Sybase
- IBM-DB2
- SQL ServerWily Introscope
- HP OVO
- ClearCase
- Oracle SOA
- SVN
- CVS
- Remedy
- JRockit management Console Load Runner
- Maven
- Siteminder
- OAM
- OEM
- OID
- F5 Load balancer
- Documentum
- Samurai
- MS Visio
- MS Office
- SQL
- Dreamweaver
- UML
- SSH
- Adobe PhotoshopWindows NT/2000/XP
- Unix/Linux
- Solaris
- Java
- C
- C#
- HTML
- CSS
- XML
- JavaScript
- PHP
PROFESSIONAL EXPERIENCE
Confidential, White Plains, NY
Middleware/WebLogic/JBoss Administrator
Responsibilities:
- Involved in WebLogic 10.3.5 to WebLogic 12c upgrade
- Coordinates hardware/software installations and upgrades to ensure work is properly performed in accordance with company policy.
- Run scripts to deploy applications, backup/restore of App Server configurations.
- Setup WebLogic domain with a single server instance for developers on their windows machines.
- Installed and configured JBoss Application Server 4.3 on Red Hat Linux 5.5.
- Coordinates and monitors troubleshooting to isolate and diagnose common system problems; documents system events to ensure continuous functioning. Recommends course of action and implements as approved.
- Experience in monitoring, troubleshooting, maintenance and enhancements of distributed applications and middleware for Weblogic/Jboss server issues.
- Configured connection pools and Datasources for Weblogic 9.2/10.3, Jboss 4.2/5.0.1/5.1.0 , and SJSAS 9.1 application servers with backend oracle 9i/10g/11g RAC DB’s.
- Experience in checking the JDBC connections of the Production servers and Deployments by using Hudson tool.
- Automated WAR deployment procedure in production environment running on Jboss EAP 5.x using UNIX shell script.
- Configuration and administration of Connection pools for JDBC connections.
- Monitored and administered Web logic Server Instances with WLST scripting and by creating the Shell scripts for the Auto-Deploy.
- Worked with IBM Rational ClearQuest tool to improve team productivity and efficiency.
- Installed and Configured VMware for WebLogic installation
- Deployed the applications on multiple WebLogic Servers and maintained Load balancing,
- High availability and Fail over functionalities.
- Configured F-5 Load Balancer with WebLogic Server
- Experienced in using Verbose GC for garbage collection and tuning Heap size to reduce memory leakage.
- Worked in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions.
- Used configuration wizard and Admin Console extensively to create and manage WebLogic domains.
- Monitored error logs, fixed problems and tuned parameters in WebLogic environment.
- Experience in 24x7on-call production support and troubleshooting problems related to Web Servers, WebSphere, WebLogic, Application Servers.
Environment: Weblogic Server 10.x/12c,Weblogic Portal, SOA, Tomcat, F-5 Load Balancer,SunOne6.x, Apache, IBM MQ, NDM, J2EE, Web Services, LDAP, EJB, Linux, Sun Solaris, Oracle 9i
Confidential, Houston, TX
Middleware/Weblogic/JBoss Administrator
Responsibilities:
- Provided monitoring, configuration, testing, maintenance and production support of various applications and servers.
- As JBoss Administrator, perform, monitor and manage upgrades, deployments and other changes to the servers and applications.
- Participated in Migration undergoing from JBoss 4 to Weblogic or JBoss 4 to JBoss 6 and its respective POC.
- Troubleshooting and fixing defects found during Application upgrades and Server Migration. Troubleshoot issues with JBoss related servers and applications as part of infrastructure team.
- Installed and configured JBoss 6.2 in local machine during JBoss 4.3 to JBoss 6.2 application server migration.
- Involved in various critical outages and team meetings to solve various issues and discuss future plans and steps.
- Worked with team members to create ISR/ASR/RFC requests to schedule production application deployment and maintenance activities.
- Installed, Configured and utilized AppDynamics (Tremendous Performance Management Tool) and Splunk in the whole JBoss Environment.
- Created and Analyzed Performance Test Reports using Test Scripts.
- Managed daily JBoss Outage Tracker.
- Installation, Configuration and Administration ofJBoss 5.0/5.1/5.5 & JBoss 6.2 versions on Oracle Enterprise Linux (OEL) environment.
- Installation, Configuration and Administration of Tomcat 6.0 and Apache 2.0/2.2 and 2.3 versions on Oracle Enterprise Linux (OEL) environment.
- Coordination and implementation of production releases.
- Apache web plug-in configuration management.
- Monitor Control M and Cron jobs and coordinate with Production control teams to resolve the alerts.
- Configured Secure Sockets Layers (SSL) for data encryption, client authentication on Apache Servers.
- Performed Performance tuning of JVM heap size, GC, Java stack trace analysis.
- Provided 24/7 on call support in both testing and production environments.
Environment: J2EE, LDAP, JDBC, JMS, JNDI, Apache, Oracle 10g/11g, Weblogic Server 8.1, JBoss 4.x/5.1, SSO (Siteminder 6.x), PHP 5, Tomcat, Windows 9(x), 2k/2003/XP, Solaris and Linux.
Confidential, Chicago, IL
Middleware/Weblogic/Websphere/Tomcat Administrator
Responsibilities:
- Building of new servers, customize the servers as per the application requirement and Installation, configuration, monitoring and performance tuning.
- Upgrading the setup from WebLogic 8.1/9.2 ->10.0MP2 andWeblogic11g.
- Deployed various J2EE applications and archives WAR and EAR applications in Production and Non-Production environments.
- Configured and administered JDBC Datasources/ Connection Pools/ Multi Pools on WebLogic Server.
- Created Managed Servers in Production and non-production environments.
- Used WLST scripts to create and manage WebLogic domains.
- Developed Scripts for deploying applications in different environments using Weblogic Deployer utility.
- Performance tuning of JVM Heap size, Garbage collection, java stack, native thread & production performance of WebLogic.
- Good Knowledge of Oracle single sign-on and oracle web logic server.
- Installed and Configured SunOne, Apache Web servers as a proxy plug-in for WebLogic Server 10.0 MP2. Worked on tuning part of SunOne.
- Installed and configured Tomcat, WebSphere App server 6.1 and deployed applications on it.
- Installed and configured IBM MQ as a Foreign JMS for Weblogic.
- Installed and configured Tomcat application server with Apache HTTP Web Server in DEV, QA, UAT, PRE-PROD environments.
- Created WebLogic domains, Managed servers, Clusters, machines and start up scripts
- Created Work Managers for the specific applications based on their priority.
- Troubleshooting WebLogic Application Server connection pool related issues with Oracle 9i&10G.
- Worked with JAVA/J2EE development teams, offshore and onsite teams to support build and release cycles.
- Involved with developers in Troubleshooting and fixing day-to-day problems of applications in Production and non-production environments on 24 X 7 schedules.
- Monitoring error logs, fixing problems and tuning parameters in WebLogic environment.
- Troubleshooting issues that arise during testing or deployment process.
- Configured and set up Secure Sockets Layers (SSL) for data encryption and client authentication.
- Created SSL and Digital Certificates for secured communication between applications using Keytool.
- Worked with Customized WLST, Ant and Shell Scripts to automate system-admin jobs.
- Worked with performance monitoring tools like Wily Introscope, HP OVO with WebLogic application server.
- Installed, Configured Wily Introscope 8.2.3, created Dashboards for different domains.
- Worked on Upgrading Wily Introscope7.2.5 to Wily 8.2.3.
- Troubleshooting issues with Oracle database configured with WebLogic 10.0 MP2 and 11g/10.3.
- Monitoring startup logs for any exceptions or errors. Performing regular health checks for servers in UAT and Production environments.
- Troubleshooting using Thread Dump, Core dump, Heap Dump and Garbage collection analysis for WebLogic Server issues.
Environment: WebLogic Server 8.1/9.2/10.x, WebSphere App server 6.1, SOA, Tomcat, F-5 Load Balancer, Wily Introscope7.x/8.x, MQ6.x/7.x, SunOne6.x, Apache, IBM MQ, NDM, J2EE, Web Services, LDAP, EJB, Linux, Sun Solaris, Oracle 9i
Confidential, Milpitas, CA L
Weblogic Administrator/Web admin and Deployment Engineer
Responsibilities:
- Install, maintain, upgrade and support Commonwealth’s enterprise wide J2EE applications in development, system test, QA, training and production systems
- Installing and configuring Weblogic server in training environment for a development project.
- Installing and upgrading SSL certificates in QA and production environment.
- Configured clustering, Data sources and connection pools for various applications on Weblogic application server.
- Extensive experience of setting up multiple cluster environment and deploying applications on the same.
- Node Manager Configuration - remote managed server start and stop. SSL communication between admin server and node manager.
- Expertise in installing, configuring and administration of Apache HTTP 2.0 Web Server and Sun Web Server (iPlanet 6.1).
- Involvement in migration of the middleware environment from HP Unix to Red hat Linux servers.
- Running WebLogic application server on Red Hat Linux systems with Oracle 10G database.
- Experience configuring SUN security agent and working knowledge of the Access manger.
- Worked on Web Security tools- LDAP Server, SSL Certificates.
- Performance tuning with the help of monitoring tools such as HP open view, thread dumps analysis.
- Installed and configured various middleware packages such as Tomcat, Jboss
- Provide production application support activities health service applications.
- Provided 24/7 on call support to the Production environment applications.
Environment: BEA WebLogic 8.1/ 9.2, Tomcat 5.5/6.0, Jboss on Red hat Linux AS release 4, Apache 2.0.52 Weblogic plug-in sp6, Sun one web server, SUN JES 5.0, SUNIDM, MQ series, HP open view monitoring tool, Oracle DB
Confidential
System Administrator
Responsibilities:
- Installed, Configured and administered Tomcat, WebLogic server 7.0.
- Performed WebLogic Server performance tuning.
- Performed J2EE application deployment and administration.
- Configured a server to receive requests and perform business logic.
- Created Managed Servers in a Cluster with round-robin algorithm for Load Balancing.
- Configured Node manager for the machine.
- Created user roles and groups and mapped to the applications for securing the resources.
- Installed and configured Apache and I-Planet Web Server.
- Configured and administered JDBC, JMS, JNDI, and SNMP in WebLogic Server 7.0.
- Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers
- Involved in trouble shooting and fixing day-to-day problems of the applications in production.
- Provided testing and production support.
- Involved in coding and testing of the application.
- Contributed to J2EE-UI development by writing Java scripts, Servlets, JSP’s and participated in navigation and functionality testing and validating using java script.
- Developed Custom tag Libraries, which will pass the data to the JSP pages.
- Developed user personalized dashboard, which facilitates the user to save his/her interested report pages along with related notes.
Environment: J2EE, Servlets, Windows NT, JSP, Java Script, HTML, Oracle 8i, Rational Rose, WebLogic Application Server, Java, JMS, JDBC, JNDI, XML, SQL, Apache, Tomcat, I-Planet and UNIX.