Infrastructure Engineer Resume Profile
Dublin, OhiO
OBJECTIVE:
Seeking an position as a WebLogic Administrator that best utilizes my skills in Application Servers
PROFESSIONAL SUMMARY:
- Over 8 years of extensive experience in the IT industry with 6 years of WebLogic Administration, Monitoring, Troubleshooting,Clustering,Load Balancing and Maintenance on WebLogic versions 7.x/8.x/9.x/10.x.
- Oracle Certified Solaris 10 Administrator
- Expertise in Installation, Configuration, Trouble-Shooting and Maintenance of BEA WebLogic Server 7.0/8.1/9.x/10.x, iplanet Web Server, Apache Web Server on different UNIX flavors and environments.
- Worked extensively on WebLogic Portal server 8.1/9.2/10.0/10.3
- Experience in Maintaining BEA WebLogic Server on different UNIX platforms and setting up the Development, Testing, Staging and Production environments.
- Installed, Migrated and configured IBM Web Sphere in Linux and Windows.
- Deploying J2EE Application archives JAR, WAR, EAR and Web-Based/E-Commerce on Web Logic Application Server.
- Extensive experience in production environments, involved performance tuning, tweaking the JVM parameter, Threads, size of the connection pools, KERNEL, Tcsh shell.
- Strong knowledge in Clustering EJB objects, JDBC connections and JMS connection factories, , queues and topics
- Experience in configuring Node Manager to start and stop managed servers from admin console.
- Experience in both Clustered and non-Clustered environments.
- Sound knowledge of Java Naming and Directory Services JNDI .
- Excellent BASH, C-Shell and KORN UNIX shell , ANT scripting skills knowledge.
- Experience using weblogic.Admin, weblogic.Deployer and weblogic.server commands.
- Created cron jobs for timely running of jobs
- 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.
- Implemented security based architecture for distributed systems.
- 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.
- Working knowledge in writing, modifying and executing the ANT build scripts for automating daily routines.
TECHNICAL SKILLS:
| Application Servers | WebLogic 7.0/8.1/9.x/10.x, Tomcat 4.1/5.1 |
| 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 , Linux 5,6 ,Windows 2K/XP/2003/vista |
| Tools/Utilities | BuildForge , Toad, Nagios, Filezila, Fireant, Sentry Monitoring Tool, ICINGA , NAGIOS |
| Databases | Oracle 8i/9i,10G, MYSQL SERVER, |
PROFESSIONAL ACCOMPLISHMENTS:
| Confidential |
| Role: Middleware Engineer |
Responsibilities:
- Installing, configuring and administering of WebLogic middle ware.
- Configured Apache, Tomcat, MQ and integrated with WebLogic Application server.
- Configuration and maintenance of WebLogic 10.1 with JDBC, JMS, JNDI, SNMP andJ2EE Services. Deployed applications WAR, EAR, and JAR in Domain and Clustered environments. Configured JDBC Connection pools and Data sources with Oracle 8.i database.
- Migrating internal applications from Web logic to Jboss and vice versa.
- Monitor and tune JMS queue depth, JVM's, JVM heap size, garbage collections, Wily Introscope,SiteMinder,Java stack and Native thread depending on L P Testing results and production performance.
- Provide 24/7 on-call supports for critical business applications which handle a million transactions per hour throughout their life cycle, which included development, testing, break fix, L P testing and production environments. Monitored the database data tables and error tables , Web Logic, Server log files and application error log files to track and fix bugs.
- Developed UNIX Shell, SQL, and PL/SQL scripts for day-to-day system, data and database administration tasks.
- Developed and maintain administrative guides for various applications to help support, train and troubleshoot issue. Involved in gather and reviewing requirements for new projects
- Implementation of Monitoring tools like Nagios, Sentry, ICINGA for 600 applications in 5 different Environments
- Produce implementations plans in MS project and Excel for installing and configuring the applications for new releases and for maintenance events.
Environment:BEA Web logic 8.1/9.1/10.1,Oracle Application Server 10g,Apache, JDK 1.4.x, J2EE,JDBC, SQL/PLSQL, XML, Oracle 8.i, Tuxedo, Shell Scripting, WLST,ANT, UNIX HP-UX, Solaris , MQ Series.
| Confidential |
| Role:Weblogic Admin |
Responsibilities:
- Install, configure and administered of BEA WebLogic Application Server 9.2/10.3 on SUN Solaris 9.0/10.0 and Windows environment.
- Maintained BEA WebLogic Application Server9.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 WebServer, SunOne IPlanetWeb Server and IIS Web Server.
- Installed fix packs and patches to WebLogic Server and JDK.
- Involved in migration of Weblogic Server 9.2 to Weblogic Server 10.3.
- Participate in load test, analyze load test results, troubleshoot address performance bottleneck of application, migrate application through various test, QA, UAT environment upto production.
- Performance tuning of JVM heap size, garbage collections, java stack and Native thread production performance.
- Memory 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.
- Achieved continues integration efforts using ANT.
- Developed UNIX shell scripts and WLST scripts to start/stop admin and manage servers and to deploy different applications like .war or .ear files.
- Implemented security using 2 way SSL authentication, created user roles and groups for securing the resources using local operating system authentication.
- Disk space management User administration.
- 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: Web Logic Server 9.2/10.3, Oracle 9i/10g, UNIX Solaris 8/9.0/10.0 , AIX 5.1, Linux , Python, ANT Script, Windows 2003, SunOne IPlanet Web Server, MS IIS Webserver, Java, JSP, EJB.
| Confidential |
| Role: Infrastructure Engineer |
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 users groups and Global Roles.
- Configured Clusters, Server groups and Cloning for improved availability and failover capacity
- Created and configured Data Sources for database connectivity JMS resources
- 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 scripts for timely running jobs, performed Thread Analysis manually, performed Heap Analysis manually
- Deployed applications on multiple WebLogic Server and maintained Load balancing, Load Runner, High Availability and Failover functionality.
- Analyzing thread dump heap dump for WebLogic application server.
- Involved in periodic backing up of configuration files.
- Performed system administrator level duties such as adding/deleting users, regularly monitoring user level activity, checking system logs, monitoring system performance.
Environment: JDK1.4, J2EE, JSP, WinNT, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, WebLogic Server 7.1/8.0, Ant1.5.1, HP-UX, Solaris, Linux.
| Confidential |
| Role: Technical Support Engineer |
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 in Web Logic 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 Global Roles 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 doing a performance benchmark of Apache/WebLogic server by using Loadrunner 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 7.1 Solaris10, Oracle9i, Apache, Sitescope, IBM Http Server, Remedy, Mercury7, IBM AIX Server, Web Services, LDAP, JDK 1.4.2, JSPs, EJBs and JMS.
