Weblogic Administrator Resume
IL
SUMMARY
- Over 7+ years of extensive experience as Weblogic/System Administrator in major e - commerce, Financial, Banking, Telecom, Transportation institutions on design, development, implementation and maintenance of Enterprise Applications.
- Implemented BEA Weblogic Server 6.x, 7.x, 8.x, 9.x, 10.x, on various multifarious environments like Sun Solaris, Windows XP/NT/2000/98, Red Hat Linux, HP-UX, and IBM AIX.
- Hands on experience on administrative tools like Administration Console, WLST and Command line interface
- Installed BEA Weblogic Server in Console, Graphical and Silent modes.
- Expertise in SUN Solaris, Sun One Web Server, Apache HTTP Server, Apache Tomcat, Microsoft IIS Server, Oracle 8/9/10g, Veritas Suite, DNS, NFS, NIS and Application administration/Monitoring.
- Expertise in deploying J2EE components on BEA WebLogic Application Server.
- Deployed EAR, JAR, WAR and J2EE applications on Managed Servers and Clustered Environments using Console and Auto Deployment Scripts.
- Managed and administered domains, node manager, administrative servers, managed servers in BEA WebLogic server.
- Configured and Administered JDBC connection pools and JMS connection Factories
- JDBC Connection Pool and Multipool configuration with Oracle, MySql, DB2, SqlServer etc.
- Implemented various services like JTA, SNMP, Message Bridging and Virtual Hosts
- Configured and managed secure environments like SSL and Digital Certificates
- Implemented Security Services under various Realms of Weblogic Server
- Monitored performance using Load Runner, Wily Introscope and JMeter
- Configured Clusters for load-balancing and fail-over solutions.
- Implemented Security and configuration of LDAP, configuring Multi Master and Single Master configurations and replications for iPlanet Directory server 5.1 (SUNONE Directory server)
- Worked on ticketing tools like Peregrine, Remedy
- Experienced in Relational Databases like Oracle 9.i/8.i, MS SQL Server 2000/7.x and DB2.
- Experience in writing UNIX Shell Scripts using commands like awk, sed, tcsh, bash, ksh and Perl to automate administrative jobs.
- Upgradation and Migration of WebLogic server versions in development, testing and production environment and applying patches.
- WebLogic Administration, Monitoring and Troubleshooting using Admin Console and JMX.
TECHNICAL SKILLS
Platforms: Unix-Solaris 8/10, Red Hat Linux, Novell Linux, HP-UX, IBM-AIX, Windows 2000/XP/2003/Vista.
Web Technologies: JDK 1.5/1.6, Servlets, Applets, EJB 2.0, JSP 1.2, J2EE, JMS, Networking, JDBC, JNDI, & LDAP
Web/Application Servers: Weblogic Server 8.1/9.2/10.3/11 g, IBM Web sphere 6.x, Apache WebServer 2.0, Apache Tomcat 6.0, Sun ONE Web Server 6.0 & IIS WebServer 4.0/5.0
Scripting Languages: WLST, JavaScript, Shell script & Perl.
Programming Languages: Java, SQL, PL/SQL, C, C++, C
PROFESSIONAL EXPERIENCE
Confidential, IL
Weblogic Administrator
Responsibilities:
- Installed, configured, and maintained Weblogic Application Server 10.0/10.3 on Sun Solaris for Development, Staging and Production Implementation.
- Verification of Mount points and NAS mounts.
- Installed and configured proxy server (iPlanet).
- Created JDBC Connection pools & Data Sources for different applications.
- Upgraded the Weblogic servers with patches and service packs.
- Implemented UNIX/Python shell scripts for automation process.
- Created self-signed certificates and Certificate Signing Requests for SSL communication using the Key tool utility.
- Configured WebLogic Proxy plug-in on iPlanet in order for the java applications to be proxy to the Weblogic Server.
- Configured Open deployer agent to push the content for application.
- Configured Wily Introscope to monitor the Weblogic Application Server.
- Implemented creation of server groups and clusters in WebLogic Server.
- Involved in troubleshooting the issues in various levels.
- Worked on Tuning the Weblogic Application Server, Applications and Webservers.
- Involved in documentation of environment using Visio tool.
- Integrated and worked on monitoring tools like wily, patrol, Tealeaf.
- Deployed the applications on multiple WebLogic Server instances and maintained Load balancing, high availability and Fail over for the servers.
- Used WLST to had an automated way of creating and managing domains..
- Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
- Configure and administered Connection pools, multi connection pools and Data Source for JDBC connections.
- Configured and deployed applications in various work environments like Development, System Test and Production.
- Worked on Tuning the Weblogic Application Server, Applications and Webservers by changing the Heap Size parameters and tuning JVM’s Garbage Collector .
- Trouble-shooting emerging application issues, from WebLogic configuration side.
- Involved in documentation of environment using Visio tool.
- Applied the patches to the WebLogic servers.
Environment: Oracle Weblogic 10.x, Iplanet Web Server 6.0, WLST, Jdk 1.5/1.6.0, Python, JSP, HTML, Wily Introscope, Patrol, Mercury, Tealeaf, UEM, Unix shell scripting, Oracle 11g, SVN, Remedy(AOTS), Solaris 10, Open deployer, Keytool, CertUtil, PK12Util.
Confidential, PA
Middleware/System 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 and Weblogic 11g.
- 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.
- Installed and Configured SunOne, Apache Webservers as a proxy plugin 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.
- Upgraded MQ6 to MQ7.
- 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.
- Worked on installation of SOA.
- Involved with developers in Troubleshooting and fixing day-to-day problems of applications in Production and non production environments on 24 X 7 schedule.
- 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.
- Applied patches and service pack updates for WebLogic servers.
- Worked with application development teams to test and profile the application.
- Involved in doing a performance benchmark of WebLogic server by using Load Runner.
- Worked with performance monitoring tools like Wily Introscope, HP OVO with WebLogic application server. Generated daily performance metric analysis report for all portal applications.
- Installed, Configured Wily Introscope 8.2.3, created Dashboards for different domains.
- Worked on Upgrading Wily Introscope 7.2.5 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.
- Worked with WebLogic WLDF console extension to do performance metric analysis on a daily basis.
- Used Verbose GC for garbage collection and tuning Heap size to reduce memory leakage.
- Setup standalone WebLogic domain for developers on their windows machines.
- Troubleshooting using Thread Dump, Core dump, Heap Dump and Garbage collection analysis for WebLogic Server issues.
Confidential, Ohio
Build and Release Engineer
Responsibilities:
- Release Engineer for a team that involved different development teams and multiple simultaneous software releases and implemented Continuous Integration Process.
- Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases.
- Imported and managed multiple corporate applications into Subversion (SVN).
- Development, Quality Assurance and Management teams to ensure cross communication and confirmed approval of all production changes
- Experienced in setting up Continuous Integration environment using Jenkins
- Used the continuous integration tool Jenkins to automate the daily processes
- Build and Deployed Java/J2EE to a web application server in an Agile continuous integration environment and also automated the whole process.
- Created and maintained the Shell deployment scripts for web application servers.
- Developed Perl and shell scripts for automation of the build and release process.
- Involved in editing the existing ANT/MAVEN files in case of errors or changes in the project requirements.
- Coordinating the resources by working closely with Project Manager’s for the release and Project Manager for all the Operational Projects.
- Carried Deployments and builds on various environments using continuous integration tool.
- Source code configuration tools Subversion and GIT used for different projects.
- Developed and implemented the software release management for the release of web applications.
- Used Shell to automate the deployment process.
- Performed Load/Functional testing using Mercury Load runner and HP QTP.
- Designed a customized Status Reporting tool used currently, based on the specific requirements using J2EE/Struts and WebLogic Server with DB2 as Database.
- Coordinated all the IT projects successfully by resolving release interdependencies
- Worked on Confluence to share knowledge with other teams
- Performed integrating, JUnit and code quality Tests as a part of build process.
- Perform periodic system audits on all environments to ensure that only controlled versions of software reside all environments.
- Implemented Automated Application Deployment using chef.
- Responsible for the development and maintenance of processes and associated scripts/tools for automated build, testing and deployment of the products to various developments.
- Managed Maven project dependencies by creating parent-child relationships between projects.
Environment: Subversion (SVN), Jenkins, Confluence, Java/J2EE, ANT, MAVEN, Web Logic, Shell Scripts, Junit, JXML, UNIX, Windows XP, Oracle
Confidential, Dearborn, MI
Clear Case Administrator
Responsibilities:
- Installed and supported code migration processes using Subversion and CI with Jenkins.
- Clear Case multisite planning and implementation.
- Assisted in and supported migration of code and binary packages into the Enterprise repository, working closely with the sustain teams to maintain branch structure according to GM standards.
- Involved in supporting application teams in installing Subversion plugin for Eclipse.
- Helped resolve branching and merge conflicts and other issues that developer’s encountered while utilizing Subversion.
- Designed, installed and supported software configuration management processes using Rational Clear Case.
- Performed installation, configuration and integrated Rational Clear Case and Clear Quest.
- Developed team SCM processes including baselines, branches, merging, project scheduling.
- Created streams, projects, activities and implemented agile process.
- Involved in setting up VOB, VOB storage, administration VOBs, mounting/un-mounting VOBs, backing up and restoring VOBs and administration views.
- Maintenance of VOB elements and element types, setting client environment. Supported the team in creation and maintenance of user groups and users.
- Implemented various Clear Case designs on UNIX and NT/2000 platforms, which include design of triggers using Perl and architecture by partitioning development groups into Clear Case regions.
- Worked with project teams in writing, editing, and reviewing CM plans for several projects based on their development goals, needs and available resources to establish change management policies and procedures.
- Assisted build engineers and developers in doing daily and weekly builds. Resolved issues related to build failures like baseline, view, build script problems and syntax errors.
- Converted base Clear Case VOB’S and VOB directories into UCM components for creation of UCM projects using these components. Converted baseline labels in base Clear Case to baselines in UCM projects.
- Performed replication and synchronization operations for multisite VOB’S.
Environment: Rational ClearCase 4.2, Multisite, Rational ClearQuest 4.0, J2EE, JAVA, JSP, JUNIT, STRUTS, ANT, Perl, HTML, XML, UNIX, NT, Linux, Oracle, IIS
Confidential, NC
Middleware Administrator
Responsibilities:
- As a Middleware Administrator, responsible for administration, configuration, and monitoring of BEA WebLogic 9.2MP2 Application Server Environments on RHEL 5 servers.
- Responsible for Configuration and Administration of Sun One and Apache Web Servers, including installation and configuration of WebLogic proxy Plug-ins to proxy load balanced requests for dynamic content to backend WebLogic Application Servers.
- Involved in migrating the WebLogic Server from version 8.1 sp6 to WebLogic 9.2 and JDK version from 1.4 to JDK version 1.5.
- Responsible for installing SSL certificated on Apache and Sun One Web Servers.
- Used F5 Big-IP hardware Load Balancers to increase throughput, performance, availability and quick restoration of service.
- Involved in writing WLST Scripts to monitor the run time parameters of JVM Heaps, MBeans, Servlets, JDBC Connection Pools and JMS Connection Factories.
- Responsible for providing 24x7 on-calls Production supports.
- Responsible for configuring Wily Introscope to monitor the performance of WebLogic App Servers.
- Involved in using tools like Jmeter and Grinder to monitor the Java Specific applications.
- Assisted Performance testing teams to improve the overall performance of J2EE applications services on BEA WebLogic Application Server Platforms.
- Responsible for deploying various types of application packages including JAR, WAR and EAR files.
- Responsible for implementing solutions with WebLogic for stand-alone and clustered environments using HTTP Plug-ins for Apache and SunOne Web Servers.
- Assisted development teams in activities such as load testing, troubleshooting and performance tuning of WebLogic Applications.
Environment: Subversion, GIT, Java/J2EE, JDK, ANT, MAVEN, DB2, UNIX, Windows XP, Web Logic, HP Quality Center.
Confidential
Web Logic Administrator
Responsibilities:
- Install, configure and administered of WebLogic Server 8.1 in various environments.
- Install and configure Sun ONE webserver in various environments.
- Strong Knowledge in PKI Infrastructure, FTP and File Transfer Security
- Configure and administered of Weblogic server with Oracle9i database.
- Deployed the applications on multiple Weblogic Server and maintained Load balancing,
- High availability and Fail over functionality.
- Configure Clustering EJB objects, JDBC connections and JMS connection factories.
- Configure Node manager for administer the Managed servers.
- Configure and administered Connection pools for JDBC connections.
- Configure LDAP using Netscape directory Server for user authentication.
- Configured and enabled Kerberos authentication in FTP.
- Used config wizard and config builder extensively to create and manage weblogic domains.
- Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
- Involved in doing a performance benchmark of weblogic server by using Load Runner.
- Application's migration of weblogic server from previous version 7.0 to current version.
- Configured and deployed applications in various work environments like Development, System Test, SIT, RTB and Production.
- Researched and troubles hooted emerging application issues, from WebLogic configuration to code issues.
- Developed ANT build scripts, UNIX shell scripts and auto deployment process.
- Configure JNDI server as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
- Applying the patches to the WebLogic servers.
Environment: JDK1.4, J2EE, Jrockit8.1, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, WebLogic Server 7.0/8.1sp1&sp2,Weblogic portal, IBM MQ 5.x, Ant1.5.1, Win2K, AIX, Solaris, Linux, CVS and CM Synergy.