Sr. Weblogic Administrator/middleware Administrator Resume
Lexington, KY
SUMMARY
- Extensive experience of 6+ years in the field of IT and in BEA WebLogic Serveradministration in Development, System Integration, QA, and Production environments under cross platform consisting of Windows, Red Hat Linux, AIX and Sun Solaris operating systems.
- Extensive experience in Installing, Configuring, Tuning and troubleshooting of Weblogic Server 8.1, 9.2 and 10.x in various environments.
- Expertise in the Administration, Installing, Configuring Web Servers like Apache 2.0, JBoss 5.0, Tomcat.
- Proficient in Shell scripting and performance tuning of UNIX systems with proven skills in UNIX System Administration.
- Solid experience in developing and deploying the applications on multiple WebLogic Servers and maintaining Load balancing, High availability and Failover.
- ConfiguredWebLogic domains using WLST.
- Expertise in deploying Enterprise Java Beans and J2EE Applications (WAR, JAR and EAR) on BEA WebLogic 10.x/9.2/8.1/7.0 and Tomcat application servers.
- Expertisein migration and upgrading of WebLogic Server and updating JDK versions and installing Service Packs of WebLogic server.
- Worked with Relational Databases like Oracle, Sybase, DB2, and MS SQL Server.
- Extensive experience in configuring and managing secured environments using SSL and digital certificates.
- Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and taking thread dumps,pstack and prstatand analyzing to find the problems in application.
- Configured and administered JDBC Connection pools, JMS Connection Factories, Weblogic queues and topics and implemented other services like JTA, JNDI, Virtual Hosting and SNMP.
- Proficient in providing backup and recovery procedures for Oracle WebLogic Server.
- Hands - on experience in configuring Active Directory and Sun ONE Directory Server to add and manage users in Sun IDM.
- Extensive hands-on experience with WLST (WebLogic Scripting Tool) and UNIX Shell Scripts for various WebLogic Server tasks, monitoring statistics and running them as Cron jobs.
- Extensive experience in finding the Memory Leaks and tuning the JVM Heap Size by configuring Optimize IT and JProbe, JRMC to detect memory leaks.
- Configured Web Server plug-in (APACHE) for WebLogic application server.
- Expertise in configuring Node Manager to administer the Managed servers.
- Good knowledge of tools like IBM Rational ClearCase which improves team productivity and efficiency.
- Working knowledge of BMC Remedy Change Management tool.
- Good experience in configuring BIG IP F5 Load balancer.
- Involved in doing a performance benchmark of WebLogic server by using Load Runner.
- Configured and handled JMeter and monitored the performance of productionJ2EE components such as EJBs, JSPs and Servlets.
- Good knowledge of Siteminder, Wily Introscope and integrating to WebLogic.
- Implemented security and configuration of LDAP, Netscape Directory Server, and Siteminder single sign-on configurations.
- Provided 24/7 on call support to the development team in both testing and production environment, and analysis (troubleshooting) of log files to resolve issues.
TECHNICAL SKILLS
Programming Languages: C++, SQL, PL-SQL, Java
Middleware: BEA WebLogic Application Server 6.x./7.x./8.x./9.x/10.x., Apache-HTTP Server 1.3/2.0/2.2, 5.x, Apache Tomcat 5.x/6.x, JBoss 4.x/5.x/6.x/7.0 Oracle RAC, Sun One Webserver 6.x (iPlanet 6.0), MS IIS server 4.x/5.1/6.0, IBM MQ-series, MySQL
J2EE Technologies: Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB and Applets.
Web Technologies: JDK 1.4/5/6, HTML, XML, DHTML, MSXML, ASPX, Eclipse.
Operating Systems: UNIX, Solaris, Red Hat LINUX, HP-UX, Unix-AIX, Windows 98/2000/NT/XP/VISTA.
Performance Monitoring and Testing Tools: Wily Introscope, Jmeter, JProbe, Mercury Load Runner, Win Runner, Grinder, Samurai, Oracle Identity Management, RSA Access Manager and Identity Manager, TDA, Sitescope
Scripting Languages: WLST, UNIX Shell Scripting (Bourne, Korn, C and Bash), LINUX, Perl Scripting, PHP Scripting, ANT Scripts.
Packages: JDK 1.1/1.2/1.3/1.4/1.5/6 , JSDK 2.0, J2EE
IDE’s/Utilities: Eclipse, Weblogic Workshop, MS Visual Studio 2005, SSH, OpenSSL, Putty, and WLST.
Database: Pointbase, Oracle 8i/9i/10g/10.x, MS SQL Server, My SQL, MS Access and DB2.
Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, ARP, SSL, IDM 6.0 and 7.0
Other Tools: Adobe Photoshop, MS Visio, Adobe Dreamweaver, Adobe Flash, MS Office.
PROFESSIONAL EXPERIENCE
Confidential, Lexington, KY
Sr. Weblogic Administrator/Middleware Administrator
Responsibilities:
- Installed, Configured and Administered WebLogic Server10.3 and 11g in Development, System test, QA and Production environments.
- Involved in migration of J2EE application from WebLogic 8.1, 9.2 to WebLogic 10.0, 11g.
- Involved with the development teams in trouble shooting and fixing day-to-day problems of the applications on 24/7 schedule.
- Installed and deployed application on WebLogic application server and performed troubleshooting of issues related with deployments.
- Involved in load balancing and performance tuning for various projects.
- Applied patches and service pack updates for WebLogic servers.
- Testing and profiling to measure the performance of applications.
- Used Wily Introscope dashboards for monitoring the performance of system and application processes.
- Worked with monitoring tools like HP OVO with WebLogic application server.
- Worked with development and testing teamsto support build and release cycles.
- Designed an entire messaging interface and Message Topics using WebLogic JMS.
- Performed up gradation of Introscope from 7.2.5 to 8.2.3
- Supported applications running on Tomcat 5.5, JBOSS 5 and Apache 2x
- Used HPSA for building and automation of server on a large scale.
- Performed baseline remediation and applied the latest oracle patches.
- Tuned several OS parameters to solve the log rotation and other issues.
- Performed scheduled maintenance activity on the application and webservers.
- Experienced in WLST, Python and shell scripting to automate tasks.
- Worked on call 24*7 for the production environments.
Environment: WebLogic Server 8.1/9.2/10.0 /10.3 , JBOSS, Red Hat Enterprise Linux 5.3, SUN Solaris 10, N1SPS, Anthill Pro, Wily Introscope 7.2.5/8.2.3 , JProbe, JRMC, HP-OVO, Corefirst, OEM, MQ, HPSA, Jdk1.4/1.5/1.6, Oracle 10g/11g, IBM DB2, CVS, SunOne 6.1, Apache 2.1/2.2, BMC Remedy.
Confidential, Columbus, GA
Middleware/Weblogic/JBoss Administrator
Responsibilities:
- Installed, Configured and Administered WebLogic 8.1/10.0 in clustered environments.
- Responsible for handling the Support Incident Database - the online ticketing system.
- Configured domains, clusters, JDBC Connection Pools, Data sources, JMS Servers.
- Deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
- Involved in monitoring mission critical applications using tools like Introscope and Sitescope.
- Design, Configuration and Testingof IBM MQ 6.0 Series as a foreign JMS with WebLogic Server.
- Configured LDAP using Netscape directory Server for user authentication.
- Installed the WebLogicService Packs, WebLogic Patches.
- Involved in Migrating the setup from WebLogic 8.1 -> 10.0.
- Configured the reliable HTTP Session management for clustered applications, DNS, FTP and Virtual hosts.
- Installed and Configured Sun One Web Server 6.1 to proxy with WebLogic Server.
- Worked with Remedy change management tool to increase the availability of business critical systems and speed the implementation of changes.
- Provided backup and also provided the recovery steps for protection from the most common failure scenarios.
- Installed and configured JBoss 4 and integrated Apache Web Server to work with the Application Server.
- Installed and configured JBoss Server 4.x, Apache HTTP Server 5, and Tomcat 2.2.20 in various environments.
- Configured BIG IP F5 Load balancer to provide high scalability, availability and reliability.
- Renewed WebLogic certificates, also installed the new certificates for the newly created regions.
- Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers.
- Actively handling the on-call pager for Production-related issues on weekly rotations within the team.
- Tuned TCP/IP, JVM’s, Garbage Collections, Java Stack and Native Thread.
- Resolved complex issues related to subsystems such as Plug-ins, Security, JDBC, Clusters, EJB, Web Apps, Mail Session, XML registries, JMS, Server and Domain Migrations andJDBC Drivers.
Environment: WebLogic 8.1/9.2/10.0 , Apache 2.0, SunOne 6.1, IBM MQ 6.0, Oracle 9i/10g, IBM-DB2, JBoss4, Oracle IDM, Solaris 9/10, F5 Load Balancer, Introscope, Sitescope, Siteminder, LDAP, BMC Remedy.
Confidential, Miami, FL
WebLogic/JBoss & Production Support
Responsibilities:
- Installed and Configured JBoss Application Server 4.3 GA on Red Hat Linux 5.5.
- Installed, configured and administered Oracle/BEA WebLogic Server 8.1/10.0/10.3 in various environments like Development, QA, and Production on Solaris, Linux and Windows Operating Systems.
- InstallingApache Http Server, configuring apache plug in for Weblogic and hosting application using virtual host features in apache.
- Responsible for creating Weblogic domains in Development, QA, Production from scratch.
- Involved in Migratingthe setup from WebLogic 8.x-> 9.x->10.x.
- Deployed different types of applications like WAR, JARand EAR files in Weblogic 8.x/10.x and JBoss 4.3.
- Configured Node manager to administer the Managed servers.
- Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
- Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on WebLogic Server 8.x/10.x.
- Created and ConfiguredWebLogicJMSServers,JMSModules andBridgeto provide interoperability betweenWebLogic JMSandIBM MQSeries.
- Configured and administeredWeblogic serverwithOracle10g/Oracle RAC database.
- Developed Startup, Shutdown and Bounce scripts using WLST.
- Developed UNIX shell scripts that automate the WebLogic Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc.)
- Developed scripts to monitor JVM Heap Size, JMS Messages in the Destination queues in the production environment.
- Dealt with troubleshooting issues like Server hang, Application Deadlock, Out of Memory Issue, High memory usage and High CPU.
- Provided support for production environments in activities such as load testing, troubleshooting, and performance tuning.
- Configured and managed secured environments usingSSLandDigital certificates.
- Installed and Configured LDAP Server and integrated with Weblogic Application Server.
- Worked on Configuring channel secure CA/Netegrity SiteMinderwith web servers and Weblogic Applications.
- Upgraded all Production and Non Production systems to WebLogic 10.3.3(11g) from WebLogic 8.1 SP2 successfully and installed DST patches.
- Developed Crontabscripts for timely running jobs and provide server status.
- Configured BIG IP F5 Load balancer to provide high scalability, availability and reliability.
- Administrative documentation for Installation/Configuration Procedures for future use.
- Log files analysis such as WebLogic server logs, node manager logs, Plug-in logs, thread dumps, verbosegc logs for troubleshooting and Problem determination to resolve issues.
- Using Remedy as the trouble ticket and change management tool.
- Worked on coordinating teamwork with the offshore application teams and Operation teams.
- Worked as an Level2/Leve3 Escalation point for any issues regarding with Weblogic for a Very High Visibility Project.
- Co-ordinate with Oracle Support team to solve the issues on time.
- Provided 24/7 on call Production Support.
Environment: Solaris 9/10, RHEL 4.6/5.2, Windows Server 2003/2008, WebLogic Server 7.x/8.1 SP2/SP6/10.0.0 MP1/11g, Apache 2.0/2.2, JBoss 4.x, Apache Tomcat 5.x, iPlanet/SunOne 4.x/6.x, IIS,JDK1.4/1.5/1.6, JSP, Servlet, EJB, LDAP, JDBC, JMS, IBM MQ Series, HP Site Scope, BMC Remedy, Ant1.5.1, SQL, XML, BIG IP F5 Load Balancer, Oracle coherence.
Confidential, Irving, TX
Middleware Administrator
Responsibilities:
- Install and configure WebLogic Application Server 8.1 on Sun and Windows Server platforms.
- Configure, maintain, deploy and trouble shoot WebLogic on multiple platforms, deployments, trouble shooting and maintenance for production, development, QA and training environments.
- Installed and configured Apache and Tomcat Webserver in various environments.
- Manage Apache Server and maintain Plug-in in LAN/WAN environments.
- Responsible for Loadbalancing and Performance tuning for various WebLogic Instances.
- Involve in capacity planning of various applications.
- Perform Troubleshooting of WebLogic Application Server connection pools with Oracle and DB2.
- Update the WebLogic licenses and apply packages.
- Configure users groups and Global Roles.
- Configure Clusters, Server groups and Cloning for improved availability and failover capacity.
- Create and configure Data Sources for database connectivity & JMS resources.
- Configure global security in WebLogic using LDAPauthentication.
- Perform Root Cause Analysis for the WebLogic Application Server support including analyzing the thread dumps of servers, troubleshooting and monitoring the logs.
- Create domain configuration scripts to configure new domains, modify existing domains.
- Install and configure JProbe and Diagnostics for performance/monitoring.
- Work on EJB application with WebLogic Client and WebSphere Server on RMI/IIOP protocol.
- Respond to the SiteScope and HP OpenView alerts as per SLA.
- Work with test and Development teams to meet their needs for configure various environments.
- Manage the deliverables according to the statement of work.
- Provided 24x7 production support.
Environment: WebLogic Server 8.1, Solaris10, Apache 5.x, Oracle9i, SiteScope, Tomcat 5.0, IBM HTTP Server, Web Services, LDAP, JDK 1.4.2, SOA, JSPs, Remedy, EJBs and JMS.
Confidential, Dallas, TX
System Administrator/Application Support
Responsibilities:
- Installation, Configuration, Administration and Maintenance of BEA Weblogic Server 8.1 on Red Hat Linux and Windows Operating systems.
- Design and develop JDBC connection objects for the data retrieval and update.
- Deployed the applications on multiple Weblogic Servers and maintained Load balancing, high availability and Failover functionalities.
- Configured Node manager to administer the Managed servers of Weblogic.
- Created and maintained Design documents (low & high level Design Documents).
- Involved in the design, development and execution of test plans and strategies.
- Designed and developed web applications using Servlets, JSP, Java Beans and Threads.
- Developed JSP with HTML and JavaScript for data presentation and collection.
- Configured clustering EJB objects, JDBC connections and JMS connection factories.
- Designed and developed modules from scratch as part of enhancement.
- Developed Java Scripts and HTML pages for front end.
- Developed several JSP Pages and Servlets for the front end.
- Developed Stored Procedures for extracting data.
- Involved in Performance Tuning and Bug Fixing.
Environment: Weblogic 8.1, Red Hat Linux 5/Windows Server 2003, J2EE, JProbe, Wily Introscope Linux, Java, Struts, Hibernate, HTML, DB2, Java Script, Eclipse 3.