Middleware Administrator
Irvine, California, Us
• Provided 24x7 support for over 500 enterprise applications for 700 nationwide Mazda’s dealers (including www.mazdausa.com) by monitoring application server performance using IBM Tivoli Composite Application Manager (ITCAM), IBM Tivoli Performance Viewer, Wily Introscope, Java Melody and ElasticSearch (Nagios LS); conducted preventive measures and resolved issues using Thread Analyzer, Log Analyzer, Heap Analyzer and Garbage Collector Tool. • Assisted application development teams and vendors in stress and performance testing using Neotys Neoload and Apache JMeter. Performed deployment activities using Apache ANT, wsadmin Jacl/Jython scripting, Linux Shell Scripting, Windows Batch scripting. Worked with project teams, technical infrastructure group, network support and developers to determine project requirements for test/production environments. Built and maintained development, staging and production environment infrastructures on VMWare.• Led vendor and new product selection process. Built proof of concept environments to pilot projects on a small scale. • Installed, configured and maintaining Siebel (CRM), Inquira (Oracle Knowledge), Coldfusion (JRun), AgileElite Shipment, Tomcat, Oracle Weblogic, Microsoft IIS and Apache Web servers on Windows and Linux platforms.• Designed and implemented production environment architecture for dealer web network to address security, capacity and high availability requirements (for WebSphere releases V6 through V8.5.5). Responsible for integration of IBM HTTP Server, IBM WebSphere Application Server, IBM DB2, DB2 UDB, Microsoft SQL Server, MySQL and Oracle databases, IBM WebSphere MQ on RedHat Linux Enterprise, AIX and Windows 2000-2012.