Sr Middleware/weblogic Administrator / Engineer Resume
Austin, TX
SUMMARY
- Eight plus years of experience in IT with 7+ years in Oracle WebLogic Server 6.x/7.x/8.x/9.x/10.x/11g Administration.
- Excellent working knowledge in configuring multiple Weblogic domains including machines, manage servers, node managers and cluster environments.
- Deployed various WAR, JAR, EAR and J2EE applications on managed servers and in clustered environment using Console or auto deploying scripts in stage and production.
- Installed and Configured Oracle grid control 11g and installed Oracle Enterprise Manager Management pack 11g on WebLogic servers.
- Installed, Managed and Configured Domains, Server Instances and Clusters in JBoss3.2.x/4.0.x/4.2.x/5.x.
- Implemented Load Balancing using F5 Load balancer.
- Configured and administered JDBC Connection pools and JMS Connection Factories and implemented other services like JTA, JNDI, Virtual Hosting and SNMP.
- Expertise in migration and up - gradation of Weblogic Server and updating JDK versions, applying patches and installing service packs for Weblogic server.
- Excellent working knowledge in finding Memory Leaks and adjusting JVM Heap Size and Garbage Collector parameters during performance monitoring and performance tuning of Weblogic server by using Wily Introscope tool.
- Provided guidelines, standards, and mentoring to WebLogic based application deployment and development architecture and integration strategy.
- Installed and configured CA Wily Introscope for monitoring WebLogic Servers.
- Involved in day to day activities of Documentum Server.
- Extensive Industry experience in Installing, Configuring and administering Servers like Apache 2.0 HTTP Server, SUN ONE 6.1 WebServer (iPlanet), Apache TOMCAT 6.0.
- Populated the users, groups and roles in the Active Directory LDAP Directory Server security repository using Windows and Sun One.
- Extensive experience in configuring and managing secured environments using SSL and digital certificates.
- Well versed in writing WLSTand UNIX Shell Scripts and implementing auto deployment process.
TECHNICAL SKILLS
Programming Languages: JAVA/J2EE, SQL
Operating Systems: UNIX, Solaris, Red Hat LINUX5.0, HP-UX, IBM-AIXWindows 98/2000/NT/XP/VISTA.
Middleware: Weblogic 6.x./7.x./8.x./9.x/10.x/11g. WebLogic Portal 10.3/10.3.2, Apache Server 1.3/2.0/2.2, Jboss 4.x/5.x, Sun One Web server 6.x, Tomcat 5.x/6.x, IIS server 5.1/6.0/7.0
Scripting Languages: WLST, ANT, Jython, UNIX Shell Scripting (Bourne, Korn, C and Bash), Perl Scripting.
Packages: JDK 1.1/1.2/1.3/1.4/1.6, JSDK 2.0, J2EE, JRMC 3.1/4.0
Performance Monitoring and Testing Tools: Wily Introscope, Jmeter, Jprobe, Jprofiler, F5 Load Balancer, JRockit management Console.
IDE’s/Utilities: Weblogic Workshop, Site Minder, OAM, JBuilder, SSH, OpenSSL, Putty, and WLST.
Database: Point base, Oracle 9i/10g/11g, MS SQL Server, MS Access and DB2.
Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, LDAP, DNS, SSL.
PROFESSIONAL EXPERIENCE
Confidential, Austin, TX
Sr Middleware/Weblogic Administrator / Engineer
Responsibilities:
- Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance.
- Create, configure and tune weblogic domains/applications for performance.
- Work with vendors and developers for application related issues.
- Deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments.
- Code deployments/promotions, performance monitoring and performance tuning.
- Upgradation of WebLogic servers in development, testing and production environment and applying patch and service packs.
- WebLogic Administration, Monitoring and Troubleshooting using Admin Console.
- Cluster Configuration - Single Cluster, Multiple Clusters and Deployment over clusters.
- Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly.
- Creating security roles, group policy, user authentication, auditing and authorization.
- Node Manager Configuration - remote managed server start and stop. SSL communication between admin server and nodemanager.
- Monitoring WebLogic server health and security.
- Tuning JVM heap size to maximize the number of clients accessing the applications.
- Configuring digital certificates, using java key tool for secured applications.
- Configuring Web Logic Plug-ins for Apache Web Server and configured load balancing and fail-over solutions.
- Analyzing the Log Files, Thread Dumps, JVM Dumps, Exception Stack Traces
- Monitoring thread usage, connection pool usage, CPU usage, Memory usage and preparing reports for the performance tests, dry run tests and load tests conducted on the Application Servers.
- Monitoring and analyzing resources, Standard logs, application logs and domain logs.
- Troubleshoot environment and application issues using BEA WLS support patterns as the standard methodology and provide root cause summary to application stakeholders.
- Managing and Monitoring the JVM Performance by adjusting WebLogic heap size and garbage collection parameters.
- Deploying different applications like WAR files, EJB jars files and enterprise application archives (EAR) on WebLogic using various deployment tools (Console, weblogic.Deployer, and WLST).
- Configured Web Server plug-ins for Application Servers.
- Performed sanity testing on QA, Stage and Production environments after deployment.
- Configure and maintain the scheduled tasks like Thread dumps, log files backup etc.,
- Performance tuning of WebLogic server with respect to heap, threads and connection pools.
- Work with JProbe in-order to adjust JVM Heap Size and reduce memory leakage.
- Involve in configuration management, software deployment, change management, performance monitoring, and application maintenance..
Environment: WebLogic 10.x, Apache, Microsoft IIS, Red Hat Linux, MySql DB, LDAP
Confidential, Indianapolis, IN
Weblogic Administrator / Middleware Engineer
Responsibilities:
- Installed, configure and administered WebLogic Server 10.3.4 in various environments like Development, UAT and Production. Primary support person for Weblogic Servers.
- Installed and configured Apache Server 2.0/2.2 with WebLogic Server 10.3.4.
- Installed Microsoft IIS server 6.0/7.0 as the front end for different Jboss and Weblogic Applications.
- Installed, Configured and administered JBoss 4.0.x/4.2.x/5.0.x in various environments.
- Deployed different types of applications like WAR, JAR and EAR files in JBoss 4.0.x/4.2.x/5.x.
- Extensive experience in configuring and managing secured environments using SSL and digital certificates.
- Managed and administered Instances and Clusters in JBoss 4.2.x/4.0.x.
- Supported application migration team for migrating application from WLS 9.2 to WLS 10.3.4. Also part of day to day activities of Weblogic servers on 8.1/9.2/10.3.4.
- Configured Node manager to administer the Managed servers
- Created Crontab scripts for timely running jobs
- Responsible for understanding application environment and changes in order to tune WebLogic parameters in support of application stability.
- Involved in maintenance of Documentum servers on Linux machines.
- Worked with monitoring team to ensure that proper metrics are monitoring and alerted.
- Dealt with high CPU issues and custom execute queues and tuned TCP/IP parameters.
- Tuning the Weblogic Server parameters by running load test on the server using JRockit Mission control tool.
- Deployed the applications, formats of WAR, JAR and EAR in WebLogic 8.x/9.x/10.x
- Configured and administered Weblogic server with Oracle10g database.
Environment: WebLogic 8.x/9.x/10.x, JBOSS 4.x/5.x, IIS server 6.x/7.x, JDK 1.5/1.6, Apache 2.0/2.2, Red Hat LINUX 5.0, Windows NT/2K/XP, Oracle 8i/9i/11g, JDBC, LDAP, EJB, JSP, Servlets, OpenSSL, Active Directory, OEM 11g, Documentum.
Confidential, Cleveland, OH
Weblogic Administrator / Middleware Engineer
Responsibilities:
- Installed, Configured and Administered WebLogic 10.x in clustered environments. Primary support person for WebLogic environments
- Deployed Applications (WAR, JAR, EAR) on Clustered WebLogic Servers.
- Configured Node manager to remotely administer managed servers.
- Configuration and administration of Connection pools for JDBC connections.
- Configured JDBC connections and data sources for Oracle 11g.
- Configured LDAP and provided support for applications.
- Configured and deployed applications in various work environments like Development, System Test, QA and Production.
- Experienced with performance testing tools such as web load and load runner.
- Applied the patches and Maintenance Pack to the WebLogic servers.
- Monitored scripts JDBC Connection Pool Status, JVM Heap Size, JMS Messages in the destination queues in the production environment.
Environment: WebLogic 10.x, JBOSS, Tomcat 5.x, SOA 11.1.4, JDK 1.6, Apache 2.0, Wily Introscope, Red Hat LINUX 5.0, Windows NT/2K/XP, Oracle 8i/9i/11g, JDBC, LDAP, EJB, JSP, Servlets, Shell Scripting, XML, OpenSSL, Secure SSH, Active Directory, OEM 11g.
Confidential, Omaha, NE
Weblogic Administrator/ Apache Administrator
Responsibilities:
- Installed Weblogic Application server 10.1/11g using graphic and silent mode and configured the Weblogic domain.
- Involved in migration of Weblogic servers from 9.2 to 10.3/11g version
- Performed Weblogic server administration tasks like configuring Managed servers and setup cluster environment.
- Configured Node Manager for running managed servers.
- Deployed various WAR, JAR, EAR applications in clustered environment.
- Installed and Configured Oracle grid control 11g and installed Oracle Enterprise Manager Management pack 11g on WebLogic servers.
- Configured and administered JDBC, JMS, JNDI, and SNMP on WebLogic Server 10.x.
- Configured and administered JDBC Connection pools/multi pools/ data sources on Weblogic 10.3.2
- Installed and configured CA Wily Introscope for monitoring WebLogic Servers.
- Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption.
- Extensive working knowledge on LTM’s and GTM’s on F5 load balancer.
- Deployed different types of applications like WAR, JAR and EAR files in WebLogic Environments.
- Installed and configured Apache and Sun ONE (I-Planet) Web Server and also installed Plug-ins to these servers.
Environment: WebLogic 10.x, JDK 1.6, JRMC 3.1, Apache 2.0, Wily Introscope, Red Hat LINUX 5.0, Windows NT/2K/XP, Oracle 8i/9i, JDBC, LDAP, EJB, JSP, Servlets, python scripting, XML, OpenSSL, Secure SSH, Active Directory, OEM 11g.
Confidential, El Campo, TX
Weblogic Administrator / Middleware Emgineer
Responsibilities:
- Installed, Configured and Administered WebLogic 10.x in clustered environments.
- Deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.
- Deployed applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality.
- Configured open Ldap (Active Directory) on Unix Red Hat Network for authentication and authorization.
- Demonstrated skills in re-designing and modifying software architecture on E-COMM WebLogic framework and J2EE platform.
- Installed the WebLogic Service Packs, WebLogic Patches.
- Involved in Migrating the setup from WebLogic 8.1 to 10.3.2.
- Well versed in writing WLST, ANT, Jython, PERL and UNIX Shell Scripts and implementing auto deployment process.
- Installed and Configured Sun Java Web Server 6.1 to proxy with WebLogic Server.
- Installed and configured JBoss 4 and integrated SunOne Web Server to work with the Application Server.
- Developed shell scripts for deployments, starting and stopping the servers, clusters, rolling restart scripts.
- Resolved complex issues related to subsystems such as Plug-ins, Security, JDBC, Clusters, EJB, Web Apps, JMS, Server and Domain Migrations and JDBC Drivers.
Environment: WebLogic 9.x/10.x, Oracle 9i/10g, Sun Web Server 6.1, Red Hat Linux4, Active Directory, Visual VM, F5 Load Balancer, JDBC, JNDI, JMS, Introscope, LDAP.
Confidential, Fort Collins, CO
Weblogic Administrator / Middleware Engineer
Responsibilities:
- Installed, configured and maintained WebLogic server 8.1and 9.0 in domain and clustered environment
- Installed and configured Tomcat and sun one webserver to work with WebLogic server
- Deployed WAR, JAR, EAR applications in Weblogic 8.1 & 9.0
- Installed and configured Apache HTTP Server 2.0, Apache Tomcat 6.0 and Sun One Web Servers in various environments.
- Developed and run UNIX shell scripts and implemented auto deployment process.
- Configured and administered JDBC Connection pools/multi pools/ data sources on Weblogic.
- Installed and configured LDAP server using Sun One Directory server for user authentication.
- Monitored WebLogic server resources using Wily Introscope.
- Configured plug-ins for Apache HTTP server and Sun One Web server to proxy the request for Weblogic server.
- Well versed in writing WLST, ANT, Jython, PERL and UNIX Shell Scripts and implementing auto deployment process.
Environment: BEA WebLogic 8.1/9.2, JDK 1.3/1.4/1.5, JRockit 8.1, Apache 2.0, Tomcat 6.0/6.1, UNIX, Red Hat LINUX, Windows NT/2K/XP, JDBC, LDAP, EJB, Servlets, SSL, Secure SSH, Wily Introscope.