Weblogic Administrator Resume Profile
Los Angeles, CA
PROFILE SUMMARY:
Over 8 years of IT experience, including 5 years of extensive experience in Oracle/BEA Weblogic Application Have experience in WebSphere Application and JBoss Application as well, to seek a challenging position in Middleware Administration to utilize my skills and abilities.
SUMMARY:
- Vast experience in Oracle/BEA Weblogic 8.x/9.x/10.x/11g/12c in various platforms.
- Installed BEA Weblogic in 3 modes GUI, Console and Silent Mode. Configured templates for various environment based installations.
- Vast experience in installing and configuring JBOSS EAP 4.x/5.x in various environments.
- Expertise in administering and fine tuning of Websphere Application Server 6.x/7.x/8.5
- Excellent knowledge of working on various platforms VMware-Linux, RHEL/ SUSE, AIX, Sun Solaris, HP-UX, and Windows System administration operations.
- Installed and configured plug-ins for web servers like Apache HTTP 2.0/2.x, Jboss Web server 1.x, Sun One 5.x/6.x, Microsoft IIS and IBMIHS to communicate with Weblogic Server.
- Installed, Configured and Managed Clusters both vertical and horizontal in Weblogic 8.x/9.x/10.x/11g/12c environments.
- Experience in Workload management, creation and maintenance of Domains, Node Managers, Machines and Managed Server instances in BEA Weblogic environment.
- Extensive experience in Configuring JDBC, JMS, JTA, JNDI, SNMP, JRockit IT/JDK in Weblogic Application Server 8.x/9.x/10.x/11g/12c and Jboss 4.x/5.x.
- Strong experience in configuring and administering Connection Pools for JDBC connections and JMS Queues in Weblogic and Jboss EAP.
- Extensive experience in configuring and monitoring JMS server in Weblogic and tuned the application with Work Manager.
- Vast experience in deploying applications JAR, WAR, EAR, and maintained Load Balancing, High Availability and Fail over functionality in clustered environment using Admin console in Weblogic, WLST scripts and through command line in JBoss EAP, Puppet.
- Extensive experience Installing, Configuring and Administering Web Servers like IBM HTTP Server
- Well-versed in defining and configuring Application Servers, Virtual Hosts, Web Applications and EJB's
- Experience in configuring Data Sources, Virtual Hosts, Global Security.
- Experience in packaging J2EE applications using ASTK Tool deploying them in WebSphere
- Proficient with java core analysis using Thread Analyzer and heap dump analysis using Heap Analyzer
- Well-versed in performance monitoring using Tivoli Performance Viewer
- Proficient with Windows scripts knowledge on JACL scripts
- Strong knowledge in J2EE JSP, Servlets, EJB, JNDI, JMS , Java 2.0, JDBC, Java Beans, RMI, Java Script, XML, HTML, SQL
- Expertise in administering and maintaining test, stage and production environments
- Strong interpersonal and communication skills
- Experience in migration of earlier versions of WebSphere6.x to WebSphere7.x
- Ability to learn new concepts together with excellent interpersonal skills. Ability to communicate requirements effectively to team members and manage applications.
- Managed Memory Leaks, adjusted JVM heap size, Perm size by tuning application server's heap size using Optimize IT, JProbe, JConsole and monitored error log files messages for optimized performance of application Server.
- Expertise in Performance Monitoring and Performance Tuning of Weblogic servers using Wily Introscope 6.x/7.x/8.x and other industry monitoring tools HP Analyst/ App-Dynamics .
- Installing monitoring performance parameters through JON 2.4 and JConsole for Jboss EAP.
- Experience in WLDF console extensions in WLS for analyzing graphs Performance Tuning.
- Extensive experience in troubleshooting issues by using Thread Dumps for Weblogic/Jboss server and TCP Dumps to troubleshoot network issues.
- Extensive experience in configuring and managing secured environments using both 1-way and 2-way SSL and Digital Certificates.
- Implementation of Identity Management, LDAP Directories, Single Sign-On SSO , Access management, Role-Based Access Control, Authentication and Authorization technologies.
- Have vast experience in JDK tools like JStack, JConsole, JMap and JHat.
- Extensive knowledge of UNIX Shell Programming, WLST and familiar with Auto Deployment Process besides writing automated scripts.
- Created Cron jobs for timely running of jobs. Developed startup, shutdown, back-up and recovery scripts for Weblogic servers.
- Experience in installing and configuring Apache Tomcat 5.x/6.x, SJSAS 9.x and IBM WebSphere 5.x/6.x.
- Experienced in Web Security, Open SSL, SSO, SOAP, SAML 1.1 and Monitoring Tools. Packet traces using Ethereal/ Wireshark or equivalent TCP/IP troubleshooting.
- Provided 24/7 on-call support.
TECHNICAL SKILLS:
Platforms | RHEL 3/4/5, SUSE 10.x/11.x, Solaris 8/9/10, IBM AIX, HP-UX SUN OS 5.x, VMware Linux, Windows 98/2000/XP/2003/Vista |
Web Technologies | JRockit /JDK, Servlet, RMI, AWT, Applets, EJB 2.0, JSP 1.2, J2EE, JMS, Networking, JDBC, JNDI, LDAP |
Web/Application Servers | BEA Weblogic Server 7.x/8.x/9.x/10.x, JBoss 4.x/5.x, IBM WebSphere 5.0/6.0/6.1/7.0, Apache Web Server 2.x, Apache Tomcat 5.x/6.x, OC4J, SJSAS 9.x, Sun ONE Web Server 6.x IIS Web Server 4.x/5.x. |
Languages | C, C , JAVA, SQL PL/SQL, Unix Shell Scripting, Perl. |
Tools | Load Runner, Samurai, Wily Introscope, Jakarta and JMeter, Thread Dump Analyzer, puppet, JConsole, Tivoli performance viewer, ASTK App Server Tool kit , RAD, TOAD, MS-Office Optimize IT, JProbe, ClearCase, Remedy and Rational Rose. |
Databases | Oracle 8i/9i/10g/11g RAC, DB2, Sybase, My SQL, SQL server, MS Access, Hypersonic, Postgres and Pointbase. |
Scripting Languages | WLST, JavaScript, Shell script, Jython, ANT Perl. |
Markup Languages | HTML, WSDL, XML/XSL DHTML |
Networking Protocols | DHCP, TCP/IP, UDP, HTTP, HTTPS, RMI, FTP, CFX, SNMP, SMTP, SOAP, t3s. |
WORK EXPERIENCE:
Confidential
Weblogic Administrator
Responsibilities:
- Performed Weblogic server 10.3/11g/12c tasks such as installation, configuration, monitoring and performance tuning on HP-UNIX Box/ Linux RHEL 4/5 platforms.
- Administrated Apache Tomcat 5.5 and Weblogic servers Involves more than 50 Java Applications.
- Installed configured and maintained Weblogic suite 11g, 12c as part of Oracle Fusion Technology Administration.
- Carried out so many Fusion Builds in both OSB and SOA environments.
- Been In-charge for R1 R3 R5 environments in a Routine base on maintain the Health and Availability of all of them used OV-console and HP Diag tools.
- Worked closely with Big IP F5 Load Balancer on configuration specially when doing a Health Check and while various Testing.
- Used WLST to get run-time parameters. Generated and analyzed Heap dump and Thread dump. Monitored Weblogic performance using Wiley Interscope.
- Set up Secure Sockets Layer SSL communication between web servers Apache Tomcat and Weblogic Application Server.
- Worked closely with multiple support teams such as the QA testing team for performance/ load/ stress testing of applications and monitoring/tuning the application parameters and acted as a single point of contact with third party vendors for errors and bug fixes within the product. Had a very strong relation with SQA Team, TRIAGE Team and Organize weekly meetings and discussions on Defect Fixing.
- Troubleshoot production environment problems and participate in the team's 24/7 on call support rotation.
- Troubleshooting of issues like Out of Memory OOM , High CPU Utilization, Server Hang.
- Configured and administered JDBC, JMS and JNDI in Weblogic Servers.
- Created Cronjob scripts for timely running jobs.
- Worked closely with TLDB, Golden Gate, ICAN STCMS, NGM, SPC, PBA TAOS on Builds, Trouble Shoots, and Performance maintenances.
Environment:- Oracle BEA Weblogic Server/portal 8.1.5/9.2/10.3.2,/11g/12c Apache Tomcat 6.0, Solaris 8/10, Windows 2003 server, Linux RHEL 5.1, Cruise Control, Jrockit/JDK 1.6, JDBC, JMS, J2EE, EJB, IPlanet/Sun one, Apache 2.2 HTTP, Microsoft IIS, Sun One, Oracle 9i/10g/11g/12c RAC, VMware, Oracle Identity Management, Active Directory, puppet, Netegrity Site-Minder, LDAP, WLST, Jprobe, HP OVO, CMS Content Management , Load Runner, F5 load Balancer and Wily Introscope.
Confidential
Sr. Weblogic Engineer Production Support
Responsibilities:
- Performed Weblogic server 10.3 tasks such as installation, configuration, monitoring and performance tuning on Linux RHEL 4/5 platforms.
- Created and managed Weblogic Domains and Node Manager using config wizard and WLST.
- Administered EJB Objects, setting up JRockit IT/JDK, JNDI, JMS connection factories Queues and topics on Weblogic Server.
- Configured JDBC Connection Pools/Multi Pools/Data Sources with backend databases: Oracle 10g/11g RAC.
- Deployment and troubleshooting of JAR, WAR, and EAR files on both stand alone and clustered environment in Weblogic 9.x/10.x and Apache tomcat 6.0.
- Monitoring error logs, JVM heap size Perm size, stuck Threads and tuning parameters using WLDF for optimization of Weblogic Server.
- Dealt with issues like Application Deadlock, High CPU, Server Hang-up and profiling the memory with third party tools like JProbe, HP OVO and Optimize IT.
- Configured Wily Introscope 6.x/7.x for different domains and established alerts and reports that complete application monitoring dashboard.
- Configured and setup SSL for data encryption and client authentication.
- Worked closely with N/W team to configure application pools in BIG IP F5 Load Balancer for load sharing.
- Worked closely with network team and SSO - Single Sign On team while shaking down the upgraded Test and Production environments.
- Experience in implementing LDAP security models using Netscape server.
- Configured channel secure SiteMinder with WebServers and Weblogic Applications.
- Involved in doing a performance benchmark of Weblogic server by using Load Runner.
- Involved in Weblogic 8.1.5/9.2 patches and service packs upgrade.
- Installed and configured Apache HTTP server 2.0 web server and configured proxy plug-ins for Weblogic Server 9.2/10.3.
- Involved in up-gradation of Weblogic 8.1 to 10.3 and migration of Jboss 4.2 to Weblogic 10.3.
- Used WLST to automate deployment procedure.
- Created bash and korn shell scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and ran them as cronjobs.
- Documented the issues, migration and upgraded patches for Weblogic servers and web servers.
- Involved with the development team in trouble shooting and fixing day-to-day problems of the applications in production environment.
- Providing 24/7 support to Production and Non production environments.
Environment:- Oracle BEA Weblogic Server/portal 8.1.5/9.2/10.3.2, Apache Tomcat 6.0, Solaris 8/10, Windows 2003 server, Linux RHEL 5.1, Cruise Control, Jrockit/JDK 1.6, JDBC, JMS, J2EE, EJB, IPlanet/Sun one, Apache 2.2 HTTP, Microsoft IIS, Sun One, Oracle 9i/10g/11g RAC, VMware, Oracle Identity Management, Active Directory, Netegrity Site-Minder, LDAP, WLST, Jprobe, HP OVO, CMS Content Management , Load Runner, F5 load Balancer and wily Introscope.
Confidential
WebSphere Administrator
Responsibilities:
- Installed, configured, administered, troubleshoot, tuned WAS ND 6.1/7.0 8.5 on AIX, Windows for multiple projects.
- Configured, administered, troubleshoot application server Tomcat 6.x and Apache web server.
- Migrated WAS 7.x to WAS 8.5
- Involved in performance and capacity planning of enterprise systems.
- Configured WebSphere resources like JDBC providers, JDBC data sources and JMS.
- Automated application install, uninstall through shell scripts, JACL Jython scripts.
- Configured Global Security and SSL Security for WebSphere Application Server.
- Enabled the SSL between browser and webserver and used SSL certificates using openssl.
- Responsible for application changes across different platforms - dev, testing, UAT and production.
- Create and add the new Application servers to the existing Horizontal and Vertical cluster environment.
- Used Tivoli Performance Monitoring tool to monitor application resources Enterprise beans, servlets and WAS resource JVM memory, application server thread pools, database connection poo1 .
- Interpreted log files to locate and addressed application server issues.
- Scheduling the meetings with Business Analysts and the programmers to resolve the high complex issues.
- Troubleshoot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around.
- Maintaining updated documentation of all the Servers, installed applications and updates.
- On call, on pager, 24x7 production support and maintenance of Applications Servers on rotation basis.
- Analyzed and resolved issues collect data automatically and create PMRs and send the required information to IBM.
- Security, users, groups administration and daily backup and restore operations.
- Active involvement in monitoring server performance to reduce performance bottleneck.
- Installed upgrades and fix packs to the runtime environment as required decreasing vulnerability to production environment.
Environment: IBM WebSphere Application Server 6.x/7.x 8.5, Apache Tomcat 6.x, Apache web Server, LDAP server Tivoli Directory server and Microsoft active directory ,Subversion Controller,openssl, Solaris 5.9/5.10, Aix 5.3/6.1 Oracle 10g/11g, JSP, XML, SOAP,JMS, HTML, JNDI, Java Script, Servlets and ASTK.
Confidential
Weblogic/ JBOSS Admin Production Support
Responsibilities:
- Installed, configured and administered Jboss 4.x 4.2 /5.x 5.0.1, 5.1.0 in different environments like Development, QA, UAT and Production on Linux RHEL 5 and Solaris 9 operating systems.
- Installed, configured and administered Weblogic 9.x/10.x in various environments like Development, QA and Production on Solaris 9 and Windows server 2003 operating system.
- Installed configured and administered Oracle Service Bus 10g OSB in various environments to carry out Integration Administration, Integration Monitor, Integration Deployment and Integration Operation. In such Business Services, Proxy Services are integrated with SOA Servers.
- Installed SJSAS 9.1 Sun Java System Application Server and created/configured domains in Development, Perf, Test and Production environments on SunOS 5.1.0
- Performed Installation of Jboss JON 2.4, monitoring server which will monitor the Jboss instances, Operating system parameters running on different Operating systems.
- Created groups, users, roles and configured alerts in JON 2.4 Jboss Operations Network monitoring server.
- Configured connection pools and Data sources 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.
- Deployed WAR EAR files in Weblogic 9.2/10.3, Jboss 4.2/5.0.1/5.1.0 and SJSAS 9.1 application servers hosting clustered environments.
- Experienced in configuring Jboss cluster, Jgroups, JBM and Jboss cache.
- Performed WAR, EAR JAR files deployment in Weblogic 9.2/10.3 and SJSAS 9.1 through admin-console.
- Dealt with troubleshooting issues like Server hang, keep alive threads, HTTP threads, Application Deadlock, Perm Gen space, Out of Memory Issue, High memory usage and High CPU.
- Single handedly performed up-gradation of Jboss 4.2 GA to Jboss 4.2 EAP, Red hat release and configured JDBC, log4J, JMS and JDK.
- Performed up-gradation of Weblogic 9.2 to 10.3.3 11g and JDK 1.4 to JDK 1.6.
- Configured JDBC and JMS Queues in Weblogic 9.2/10.3, Jboss 4.2/5.0.1 EAP
- Configured Active MQ 5.0 to use JMS Queues in environment hosting SJSAS 9.1 application server.
- Provided respective teams with TCP dumps, thread dumps and heap dumps using jstack and jhat, JDK tools.
- Worked with networking team during load tests and suggested changes on BIG IP F5 LOAD BALANCER such as enabling snat-pool, 1-connect profile etc.
- Assisted in several Load tests and gave suggestions at OS level tuning, also configured Weblogic and Jboss Application servers to produce the best results.
- Installed Sun one 6.0, and configured plug-in for clusters running on Weblogic 9.x/10.x.
- Installed Jboss web server 1.x and configured with Jboss EAP 5.0 for load balancing.
- Created SSL certificates for Weblogic 9.2 Jboss 5.x/4.x.
- Configured Wily Introscope Agents for many domains complex web applications.
- Configured LDAP using Netscape directory Server for user authentication.
- Automated WAR deployment procedure in production environment running on Jboss EAP 5.x using UNIX shell script.
- Hands On in monitoring physical hosts, application servers and web servers through BMC Patrol and HP Sitescope monitoring systems.
- Created cron jobs for timely running of scripts.
- Being a part of production team provided 24x7 supports for all the environments
Environment: Oracle Weblogic Server/portal 6.1/8.1.5/9.2 MP3/10.3, Oracle Fusion 11g, Jboss 4.2/5.0.1/5.1.0 EAP, SJSAS 9.1, Solaris 8/9/10, Windows 2003 server, Linux RHEL 5, Jrockit/JDK 1.4/1.5/1.6, Jboss web server 1.x, Apache 2.0 HTTP, Sun one Web server 6.0, Oracle Http Server, Oracle 9i/10g/11g RAC, LDAP, CA Wily Introscope, Jconsole, Samurai, Jprobe, HP OVO, Remedy Ticketing system 6.1, Remedy Client Change/Release management , F5 load Balancer, JON 2.4, HP Sitescope and BMC patrol, OSB 10g.
Confidential
Middleware/Weblogic/JBOSS/Tomcat Administrator
Responsibilities:
- Installed configured and administered Weblogic Server 8.x/9.x in AIX, Solaris 8/10 and Windows server 2003 environments.
- Created and configured Weblogic domains and cluster for high availability of server to avoid fail over functionality and load balancing issues.
- Configured Java related technologies like clustering of EJB objects, JDBC connection pools and JMS connection factories, data sources, Queues and topics and IBM MQ series to administer manage servers in Weblogic environment.
- Deployed various EAR, JAR, and WAR applications in clustered environment using software configuration, management tools and scripts.
- Performance tuning of JVM heap size, garbage collections, java stack, Native thread, stuck thread production performance of Weblogic.
- Analyzing heap dumps, thread dumps, pstack, prstat for problems in application.
- Used Jprobe Optimize-IT to diagnose resolve performance bottlenecks, memory leaks, high CPU, excessive garbage collection, threading issues Java coding issues.
- Configuring Wily Introscope Agents for different domains in Weblogic server.
- Created SSL digital certificates on Weblogic server 8.1/9.2.
- Configured JDBC connections data sources for oracle 8i/9i database server with Weblogic server and fixed the problems.
- Implemented User, Groups and roles in LDAP directory server using Netscape directory server, running multiple instances of the server, removal of the servers and migration of servers from previous versions.
- Configured site minder on Weblogic server.
- Installed and configured Tomcat 5.0 and JBOSS 4.2 environment with web servers like Apache HTTP and Microsoft IIS.
- Involved in migration of Weblogic Server 8.1 to 9.2.
- Installed CA Wily Introscope monitoring tool to monitor applications running on Weblogic.
- Configured alerts for both Java and .net applications, instances in Weblogic and nodes in Websphere in Wily Introscope.
- Installed and Configured Apache Http, Iplanet, IIS server plug-ins in order to proxy the request from web server to Weblogic Server.
- Developed WLST scripts to monitor JDBC connection Pool Status, JVM Heap Size, and JMS messages in the destination queues in the production environment.
- Performed Change Management using Remedy ticketing system.
- Provided 24x7 on call support in all environments.
Environment: Oracle BEA Weblogic 8.1/9.x, Oracle BEA Weblogic Portal, Solaris 8/10, AIX, Windows server 2003, Apache Tomcat 5.0, JBOSS 4.2, Apache HTTP 2.0, IBMIHS, Microsoft IIS, Jrockit IT/JDK 1.5, JDBC, JMS, EJB, JVM, J2EE, Oracle 8i/9i/10g, LDAP, CA Site Minder, CMS content management , CA Wily Introscope, Jprobe, Remedy Client, HP sitescope, and Optimize IT.
Confidential
Middleware Administrator
Responsibilities:
- Responsible for Installation, Configuration and Administration of BEA Weblogic Application Servers 8.1/9.2 on HP-UX, SUSE 9.2 and SUN Solaris Platforms.
- Responsible for Weblogic Domain, Cluster creation and management for High availability.
- Developed complete Business tier with Stateless, Stateful Session beans and CMP Entity beans with EJB standards.
- Setting up JNDI, Managing Security, configuring and monitoring JMS Queues Topics.
- Configured JDBC connections, data sources and multipools with Oracle database server and troubleshooting problems.
- Analyzing Weblogic thread dump, JVM GC garbage collector verbose logs, server logs, various subsystem debug logs.
- Providing performance and system statistics like High Memory usage and analyzing the memory leaks and bottlenecks using Wily Introscope.
- Installation of SSL certificates for the Weblogic clustered environment.
- Involved in configuring LDAP using Netscape directory Server for user authentication.
- Worked on Configuring channel secure Site-Minder with Web-Servers and Weblogic Applications.
- Installed and configured IBM Websphere, Tomcat 5.0 and JBOSS 4.2, application server, plug-ins for Apache and Sun one servers to work with Weblogic server.
- Populated Users, Groups and roles in the IPlanet/Sun One, IIS and IBMIHS directory server security repository.
Environment: Oracle BEA Weblogic Server/portal 8.1/9.2, HP-UX, SUN Solaris 8/10, SUSE 9.2, Sunone/IPlanet, IBMIHS, Microsoft IIS, Apache Tomcat 4.2, IBM Websphere, JBOSS 4.2, JavaBeans, J2EE, Jrockit IT/JDK 1.4/1.5, JDBC, JMS, LDAP, Wily Introscope, Site Minder, Oracle 8i/9i, TIBCO, ANT, XML, XSL, XSLT, Weblogic workshop.
Confidential
Java Developer/ System Administrator
Responsibilities:
- Created code standards, code optimization and general OO design.
- Developed EJB Components both session and entity beans , which Encapsulate business logic and build up the model for the system.
- Developed Servlets and JSP's for system controls and dynamic content generation using MVC architecture and JDBC for database connectivity.
- Developed Error Handling, Error Tracking Error Notification Module for entire project.
- Involved in the development of Triggers and Stored Procedures using PL/SQL back-end implementation using Oracle Database.
- Worked closely with developers to define and Configure Application Servers, Virtual Hosts, Web Applications, Web Resources, Servlets, JDBC drivers and Servlets Engines-as well as deployment of EJBs across multiple instances of Weblogic.
- Installed Java Web Applications and Enterprise Applications to Test, QA and Production Environments.
Environment: Java, J2EE, Weblogic, Tomcat, Java Beans, JSP, Servlets, JDBC, Eclipse, JavaScript, HTML, CSS, Oracle 8i, Orion Application Server and Windows.