Skills: WEBSPHERE 6.1ND SIB,AIX,UNIX SCRIPTING,VIO,NIM,MKSYP,HMC,JFS2,DEGREE,JMS API, SIB WS JSON SCRIPT,AIX; WPS SWITCH & HTTP PLUG INS & COMMS Duties: Our client is a well established highly professional distribution company with global operations. You will work with Enterprise Architecture team in planning and designing optimum topology for Java applications running on WebSphere. Advanced investigation and resolution of all (test and production) application/environment issues for 24/7 mission critical applications utilizing the above technologies. Work with development and infrastructure teams to fully understand the applications and application interfaces to lead troubleshooting efforts when issues are reported. Use performance tools and techniques to find bottlenecks and mMake recommendations for resolving those bottlenecks. Fully configure and utilize Java Application Performance Monitoring products for troubleshooting, reporting, capacity planning and trending. Develop efficient, no-downtime and cost-effective WebSphere and AIX migration/upgrade plans. Provide 24x7 technical support of production environment with weekly on-call rotation. Install, configure, deploy and troubleshoot existing and future applications running on WebSphere Application Server ND6.1. Configure & tune caching, DRS, thread pooling and JVM heaps. Configure J2C resource adapters, connection factories and MDB activation specifications. Automate daily administration, deployments, performance reports and other repetitive tasks using Jython, KSH, Perl, etc. Plan, Install, configure and troubleshooting AIX 5.3 and above on System i Power6 Systems. Diagnose and resolve system initialization problems, disk failures, JFS2 file system and log corruption. Perform problem determination using LED codes, system dumps, error reports and common AIX commands.
Experience: 5-10 years of solid WebSphere systems management and Architecture experience (installation, configuration, maintenance and design), managing mission critical 24x7 applications. In depth experience with WebSphere Application Server 6.1ND. Thorough understanding of WebSphere Service Integration Bus (SIB). Experience in analyzing application problems using tools like OpNet Panorama/CA Wily Introscope/IBM Tivoli Performance Viewer and provide solutions to bottlenecks & poor response times. Fluent with AIX, familiar with UNIX, Linux, Solaris or other flavors of UNIX type operating system. Experience managing VIO. Solid knowledge of NIM, MKSYSB and HMC. Advanced experience analyzing and implementing procedures to improve system and application efficiency. Thorough understanding of Logical volume manager (LVM) and JFS2 file systems. Working knowledge and experience on AS400, DB2, and SQL Server a plus. Bachelor's Degree in Computer Science required - Master's Degree a plus.
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