Weblogic Admin Resume
Chicago, IL
SUMMARY
- Over 6+ years of extensive experience in the IT industry with 6+ years of WebLogic Administration, Monitoring, performance tuning Troubleshooting and Maintenance on WebLogic Servers.
- Expertise in Installation, Configuration, Migration, Trouble - Shooting and Maintenance of BEA WebLogic Server 8.1/9.x/10.x, iPlanet Web Server, Apache Web Server on different UNIX flavors and environments.
- Performed integration of MQ services with Weblogic application servers.
- Experience in Maintaining BEA WebLogic Server on different UNIX platforms and setting up the Development, Testing, Staging and Production environments.
- Extensively worked on Deployment/auto deployment and troubleshooting of components and applications in WAR, JAR and EAR formats in Domain and Clustered environments of Web-Logic Server.
- Strong knowledge of LDAP design including the deployment of Sun One Directory Server and Open LDAP servers, the integration with applications, and schema development.
- Extensive experience in production environments, involved performance tuning, tweaking the JVM parameter, Threads, size of the connection pools.
- Strong knowledge in Big IP5 load balancing, Clustering EJB objects, JDBC connections and JMS connection factories, queues and topics.
- Providing the engineering and guidance to the vendors, technology owners and security for the Control lD Web solution for viewing mainframe printer reports in a web browser including a single sign on solution with SiteMinder.
- Experience in both Clustered and non-Clustered environments.
- Expertise in writing WLST scripts using Jython/Python for starting, stopping servers, Node managers and deploying applications.
- Configured and administered JDBC, JMS, JTA, JNDI, SNMP and Node Manager to administer the Managed Servers in WebLogic Application Server
- Excellent working knowledge in implementing horizontal and vertical clustering of managed servers in enterprise environment.
- Creation of SSL and Digital Certificates for requesting, generating and implementation for the communication between Web server and the Application Server
- Sound knowledge of Java Naming and Directory Services (JNDI).
- Excellent BASH, C-Shell and KORN UNIX (shell), ANT scripting skills
- Experience using weblogic. Admin, weblogic.Deployer and weblogic .server commands.
- Working knowledge with issue regarding apache and Big IP load balancer.
- Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
- Experience in working with development teams to troubleshoot server related application issues, performance issues, and application performance tuning.
- Experience in 24x7 on-call production support and trouble-shooting problems related to BEA
- Experience in designing distributed systems using J2EE Technologies for various services and integrated with IBM HTTP Server, BEA WebLogic Application Server, WebLogic Portal Server.
TECHNICAL SKILLS
Application Servers: WebLogic 7.0/8.1/9.x/10.x,Tibco,Tomcat 4.1/5.1, Oracle SOA Suite 10g/11g
Web Servers: Apache HTTP Server, Sun One (iPlanet) 6.0/ Sun One, IBM HTTP Web Server, IIS server(5/6)
Operating Systems: Unix, Solaris(8,9,10,AIX)
Tools: /Utilities: SiteMinder, Eclipse3.0, Ant5.1, Test-Director, JRMC, Samurai, Wily Introscope
Databases: Oracle 8i/9i,10G, DB2, MYSQL SERVER, MS Access
Languages: Java, SQL and PL/SQL
Web Tools and Languages: JSP, Servlets, JDBC, Java Script, WLST, Jython, XML, HTML.
PROFESSIONAL EXPERIENCE
Confidential, Tempe, AZ
Sr. Weblogic Admin
Responsibilities:
- Install, configure and administration of BEA WebLogic Application Server 9.2/10.3 on SUN Solaris 9.0/10.0 and Windows environment.
- Maintained BEA WebLogic Application Server 9.x/10.x on different UNIX platforms and have setup development, testing, staging and production environments for the ongoing application development.
- Worked extensively on installation and configuration of Apache Web Server, SunOne IPlanet Web Server and IIS Web Server.
- Involved in migration of Weblogic Server 9.2 to Weblogic Server 10gR3.
- Participate in load test, analyze load test results, troubleshoot & address performance bottleneck of application, migrate application through various test, QA, UAT environment up to production.
- Performance tuning of JVM heap size, garbage collections, java stack and Native thread & production performance.
- Worked on Memory related issues, application leak or WebLogic leak or SUN java bug. By tuning and profiling the memory with third party tools.
- Deployed WARs, EARs using WebLogic Admin Console as well as running scripts.
- Provided WLST (Jython script) and configuring various WebLogic components/services via Jython script.
- Developed UNIX shell scripts and WLST scripts to start/stop admin and manage servers and to deploy different applications like .war or .ear files.
- Worked on Extending SiteMinder Implementation to meet application needs within Infrastructure.
- Configured weblogic to authenticate against SunOne LDAP server. Implemented SSL communication between web server and Weblogic app server.
- Worked on file system related alters, CPU monitoring and memory usage.
- Preparing backup procedures, scheduling backups through crontab entries.
- Server Hang, Deadlock, application level lock, database level lock by taking thread dump and analyze to get the root cause for the hang.
- Active involvement in monitoring server performance, network traffic to reduce performance bottleneck.
- Configured the web server interfaces, session management, virtual hosts and transports for WebLogic.
- 24X7 on-call production support and troubleshooting problems related to BEA WebLogic Server.
Environment: WebLogic Server 9.2/10.3,Oracle 9i/10g, UNIX (Solaris 8/9.0/10.0, AIX 5.1, Linux), Python, ANT Script, BASH shell Windows 2003, SunOne IPlanet Web Server, MS IIS Webserver, Java, JSP, EJB
Confidential, Chicago, IL
WebLogic Admin
Responsibilities:
- Performed Weblogic Server administration tasks such as installing, configuring, monitoring and performance tuning.
- 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.
- Converted and automated builds using Ant. Scheduled automated nightly builds using cruise control.
- Configured Clusters, Server groups and Cloning for improved availability and failover capacity
- Created and configured Data Sources for database connectivity & JMS resources
- Worked on implementing SOA Architecture and XML messaging within the JMS servers.
- Configured global security in WebLogic using LDAP authentication
- Created domain configuration scripts to configure new domains, modify existing domains.
- Developed UNIX & WLST scripts to perform automated deployments.
- Created Crontab entries for timely running jobs, performed Thread Analysis manually, performed Heap Analysis manually
- Improved SiteMinder Availability through build standardization and monitoring of the environment.
- Analyzing thread dump & heap dump for weblogic application server.
- Involved in migration of Weblogic Server 8 to Weblogic Server 9.2.
- Involved in periodic backing up of configuration files.
- Performed system administrator level duties such as regularly monitoring user level activity, checking system logs, monitoring system performance
Environment: JDK1.4, J2EE, Jrockit8.1, JSP, WinNT, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, WebLogic Server 9.2/8.0, Ant1.5.1, HP-UX, Solaris, Linux, BASH and KSH shell
Confidential, Chicago, IL
WebLogic Admin
Responsibilities:
- Install, configure and administered of BEA WebLogic Application Server, WebLogic Portal, WebLogic workshop in various environments.
- Used config wizard extensively to create and manage WebLogic domains.
- Provided 24/7 Support and on call schedule for Production support.
- Configure and administered of JDBC, JMS, JNDI, SNMP in WebLogic Server 8.3.
- Configure and administered of WebLogic server with Oracle9i database.
- Installed and configured Apache 1.3 as plug-in on UNIX environment and deployed applications.
- 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.
- Used WLST to check the status of WLServers.
- Configure Node manager for administer the Managed servers.
- Created and configured new users groups and GlobalRoles to authenticate.
- Configure and administered Connection pools for JDBC connections.
- Deployed applications like formats of WAR, JAR, EAR and Web-based/E-Commerce in WebLogic 8.1. Involved in migration of Weblogic Server 8 to Weblogic Server 9.2.
- Worked with Web Engineers for SiteMinder Agent deployment as well as troubleshooting for all Ecommerce applications.
- Implemented Logging and Auditing system for SiteMinder to track and identify user activity as well as acquire intrusion reports of unauthorized attempts at access
- Deployed applications on multiple WebLogic Server and maintained Load balancing, High Availability and Failover functionality.
- Involved in doing a performance benchmark of Apache/WebLogic server by using Load runner and Application Manager.
- Configured SSL and provided WebLogic based security procedures.
- Configured and deployed applications in various work environments like Development, QA, and Production.
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, Denver, CO
Middleware Admin
Responsibilities:
- Installed and configured WebLogic Server 8.1 on Sun Solaris.
- Deployed wars and ears using WebLogic Admin Console as well as running scripts.
- Focal point for project design and architecture for WebLogic Application server layout, which includes Internet and Intranet Web Sites.
- Configured Node Manager to start and stop servers from admin console.
- Configured JDBC connection pools and data sources for the applications.
- Configured JMS Connection factories and Queues for messaging applications.
- Involved in monitoring and tuning performance metrics like JVM, execute threads, JDBC connections.
- Involved in bridge calls for troubleshooting.
- Provided 24x7 on call production support.
- Worked closely with development team to troubleshoot ongoing issues in applications.
- Created scripts to deploy applications from command line and automate log archiving.
Environment: BEA WebLogic Server 8.1 SP4, Apache HTTP Server, Sun Solaris 8 and 9, Windows 2000/NT, Oracle 9.x, SQL Server 2000.
Confidential, NY
Java Developer
Responsibilities:
- Involved in the business analysis and system design to support the workflow
- Requirement Analysis and defining the Scope.
- Involved in development activities which involves construction ofJSP, Servlets, EJBsin J2EE environment.
- DevelopedJavaScriptfunctions for client side validations.
- ImplementedMVC Design Patternin the development process.
- Involved in preparing Unit Test Cases and performing Unit Testing and Integration Testing.
- Managing the configuration and controlling the versions of source codes usingMS-VSS (Version Control Systems).
Environment: JBoss 3.2.3, SQL Server, Java, J2EE (Servlets, JSP, EJB - Session beans, MDB) and MS-VSS.