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Production Support Engineer Resume

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  • Over Seven years of Experience in Administration and Implementation of Enterprise J2EE applications on WebLogic Application Server 8.x/9.x/10.x/11g, WebSphere Application Server - ND v5.0/6.x/7.x.
  • Installation, configuration, migration and maintenance of WebLogic Application Server and WebSphere Application Server in clustered and non-clustered environments on various flavors of UNIX - AIX, Sun Solaris, Linux (RHEL), and Windows servers.
  • Installation and configuration of Oracle WebLogic Portal Server 10g using both GUI and console mode.
  • Experienced in performance tuning, workload management and fail over support using cloning/clustering techniques including horizontal scaling and vertical scaling.
  • Deploying J2EE Enterprise Applications using Admin Console and non-console command line - WLST, Wsadmin tools.
  • Installing, configuring and integrating various Web Servers like IHS, Sun-One, Apache and IIS, generate and propagate Web Server Plug-ins.
  • Experienced in applying patches (fix packs/refresh packs) for Weblogic, WAS, IHS and Plug-ins.
  • Configuring JDBC Drivers, Data Sources, Virtual Hosts, Session Management, MQ resource objects Queue listener, channels, JMS etc.
  • Integrating Application Server with backend database like Oracle 9i/10g, DB2, SQL Server.
  • Configured, managed and secured environments using SSL and digital certificates.
  • Working with monitoring tools like Tivoli Performance Viewer, Wily Introscope & Thread dump analysis using Samurai tool; experienced in shell scripting for Log Archiving, Memory, and CPU stats collection.
  • Experienced in working with technical support groups from IBM, Oracle, and Wily on Service Requests (PMR’s); active participant in working with offshore team and coordinating work.
  • Experienced in 24x7 On-call production Level 3/2 support
  • Follow best practice during troubleshooting, capacity planning, maintenance, problem tracing and log management with Strong documentation skills.
  • Effective Team Player with ability to learn new concepts together with excellent interpersonal skills.


Operating Systems: Sun Solaris 9/10, Red Hat Enterprise Linux, IBM AIX 5.x, Windows 2000/2003/2008 server.

Application/Web Servers: WebLogic Application Server 8.x/9.x/10.x/11g, WebSphere Application Server 5.0/6.x/7.0, WebLogic Portal Server 10g, IBM HTTP Server, Apache 1.3/2.0, Sun-One, IIS 6.0/7.0.

Programming Languages: C, C++, Java, J2EE, HTML, XML, JavaScript, Jython, Jacl, Shell Scripting.

Databases: Oracle 8i/9i/10g, DB2 v9.x, SQL Server 2005.

Monitoring Tools: Tivoli Performance Viewer, Wily-Introscope, Samurai Thread Dump Analyzer.


Confidential, NC

Production Support Engineer


  • Provide 24*7 On-call Level 3/2 support for production and non-production environments which include test and staging environments.
  • Performed WebLogic Server administration tasks such as installing, configuring, monitoring and performance tuning on Linux Environment.
  • 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.
  • Performed oracle DB upgrade from 10g to 11g; migration of application from 9.2 to 11g and also upgraded WebLogic instances from 9.2 to 11g
  • Installed and configured Apache, Sun ONE IPlanet and IBM HTTP Web Servers and integrated them with WebLogic & WebSphere Application servers.
  • Responsible for Load balancing and Performance tuning; Analyzing thread dump & heap dump for WebLogic application Server
  • Responsible for building new environments for QA, SIT & PRD from scratch
  • Worked closely with Network teams to open firewalls.
  • Scheduled automated nightly builds using Cruise control.
  • Created SSL certificates using key tool and configured it with WebLogic instances.
  • Involved in Data Center Disaster Recovery for WebLogic server Environment
  • Creating JMS Queues, topics and Connection Factories; Configured Clusters, Server groups and Cloning for improved availability and failover capacity.
  • Created and configured Data Sources for database connectivity & JMS resources.
  • Configured monitoring tools like WILY Introscope, JRockit Mission Control, OEM, Nagios to WebLogic and monitored the performance of Application servers.
  • Developed UNIX & WLST scripts to perform automated deployments.
  • 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: WebLogic Server 9.2/10.3, Sunone Web server, Iplanet 6, Apache 2.2.2, Oracle 10g/11g, Clearcase, Cruise control, Wily Introscope 9.0, BMC Remedy 7.6, UNIX (Solaris 8/9.0/10.0, AIX 5.1, Linux 5 ), JRMC, SoapUI, Sql Developer, Python, Java, ANT Script.

Confidential, NJ/OH

Middleware Support Engineer


  • Designed, managed & implemented Middleware infrastructure topology using WebLogic & WebSphere Application servers on various Environments - Development, Test, QA, DR & Prod.
  • Developed & Integrated Enterprise level Middleware Infrastructure using Clustering, Cloning procedures for workload management, fail over support, and Session persistence.
  • Installed, configured and administered Oracle WebLogic Server 10.1/11g & WebSphere Application Server ND v 6.1/7.0, Apache & IHS Webserver on AIX, Solaris & Linux Environments
  • Deployment of Enterprise J2EE applications using Administrative console, automated tools & command line scripting clients-. WLST, Wsadmin (Jython).
  • Installed and configured Oracle WebLogic Portal Server v10g using both GUI and console mode.
  • Deployed Portal applications using automated deployment frame work and as well as using WebLogic Server console.
  • Installed & configured Apache Web Servers, Plug-ins and Virtual Hosts.
  • Performed day-to-day administration tasks like configuring managed servers, node manager, Node agents, JMS, JDBC, and Queues.
  • Created Portal desktops, setup entitlements, user roles & groups for securing the resources; Executed Bulk Loader script for uploading content; setup Node manager for existing and newly configured Portal domains.
  • Monitoring Application/ JVM performance using tools like Tivoli Performance Viewer, Wily Introscope.
  • Supporting load testing for identify the maximum operating capacity of an application as well as any bottlenecks, determine which element is causing degradation, performance tuning, decreasing downtime and increasing user productivity.
  • Configured and setup Secure Sockets Layers (SSL) on Application servers & Webservers for data encryption and client authentication.
  • Developed scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, Log archiving, JVM/ application restart and troubleshooting etc.
  • Experience with Peregrine ITIL Service Management tool for Change/ Incident/ Problem management; Responsible for application changes across different platforms - development, testing and production environments.
  • Effectively interacted with the End/business users, testers, and developers with good exposure to System Development Life Cycle (SDLC).
  • Worked as a part of 24*7 On-Call rotational support for Test/ Production Environments.

Environment: WebLogic Application Server 10.x/11g, WebLogic Portal 10g, WebSphere Application Server 6.1/7.0, SUN Solaris, Linux, AIX, Apache Webserver, IBM HTTP Server, Oracle 9i/10g, Tivoli Performance Viewer, Wily Introscope.

Confidential, Eagan, MN

Middleware Administrator


  • Involved in Installation, Configuration and maintenance of the WebLogic Application Server 8.x/9.x/10.x on Solaris, RHEL and Windows 2000/2003 environment.
  • Deployment and configurations of enterprise J2EE applications that include EAR and WAR using Admin Console, WLST Scripting & deployment tools.
  • Migration of Enterprise J2EE applications from Weblogic Application Server 8.x to 10.
  • Worked on Weblogic Application Server clustering for load balancing, failover/recovery and performance tuning, work load management.
  • Involved in MQ Administration and created MQ resource objects Queue, Listener, Channels, configuring Data sources for backend SQL and Oracle database connectivity.
  • Installation, configuration and maintenance of Apache Server in a clustered High availability environment, configuring Plug-ins and Virtual hosts for the web servers.
  • Configure and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
  • Created user roles and groups for securing the resources using LDAP authentication.
  • Developed Shell scripts, WSLT for automating the tasks like checking the performance of the application servers, creating clusters, deploying web applications.
  • Configured and handled Wily Introscope monitoring tool, resource Analyzer and Log Analyzer for performance statistics and troubleshooting.
  • Dealt with troubleshooting issues like Server hang, Application Deadlock, Out of Memory & High CPU issues.

Environment: Weblogic Application Server 8.x/9.x/10.x, Linux (Red Hat Enterprise), Windows 2000/2003, Apache Webserver, Oracle, WebSphere MQ, Wily Introscope.

Confidential, Los Angeles, CA

Middleware Systems Administrator


  • Responsible for installation, configuration and administration of different versions of WebLogic Application Server v8.x/9.x on Linux & Windows Operating System in Dev, Stage and Production environments.
  • Integrate, deploy & migration of J2EE applications on WebLogic Application Server v8.x/9.2 that involves EAR (Enterprise Archives) and WAR (Web Archives).
  • Supporting load testing for identify the maximum operating capacity of an application as well as any bottlenecks, and Performance Tuning.
  • Monitoring of the JVMs and applications using Wily Introscope.
  • Installing and configuring the SiteMinder Web Agent for the HTTP Server.
  • Involved in Writing scripts to automate application deployments, log archiving and configuring crontab entries.
  • Handling 24/7 on call rotation for production issues, perform root cause analysis.
  • Following change management procedures in executing changes and managing incident ticket for web related issues as per the SLA’s; coordinating and implementing the proposed changes with the respective teams.
  • Working with Oracle in opening a Service Requests

Environment: WebLogic Application Server v8.x/9.x, Apache, SiteMinder, Wily Introscope, Oracle, LINUX, Windows 2000.


Systems Administrator


  • Installation, Configuration, Maintance and Administration of red hot enterprise 4/5 using kick start.
  • Applied patches on all Linux boxes from common repository using RPM.
  • Monitored Linux sever for CPU Utilization, Memory Utilization and Disk Utilization for performance monitoring.
  • Experience in updating O/S maintenance and modification levels by applying software patches and fixes.
  • Creating new file systems, managing and checking data consistency of file system.
  • Experience with adding and configuring devices like Hard disks and backup device etc.
  • Troubleshooting the network issues and response problem.

Environment: RedHat Linux, VERITAS volume manager 4x, shell scripting, UNIX/WINDOWS, Workstations.

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