Mainframe System programmer role Performance Tuning

*Experience with RMF(I, II, III) plus Omegamon, TMON, Mainview or other performance monitoring tools is required.
*Extensive experience with Workload Load Manager (WLM), Parallel Sysplex configurations, multiple LPAR environments, and experience in capacity/performance reporting and modeling.
*Must have system performance understanding of mainframe components covering the areas of ZOS, JES, CICS, DB2 and IMS.
*Thorough knowledge in Performance analysis & tuning for ZOS operating environment / DASD / Tape storage systems.
*Use of the SAS, MXG, Omegamon, Strobe,CA-MICS to analyze and present system measurement data.[ from SMF data or MXG databases.]
*Areas of expertise : z/OS, OS/390, JES2, SMP/E, SDSF, TSO/ISPF, JCL, USS, SMF, RMF, PARMLIB/PROCLIB customization, IBM utilities.
*Knowledge about the IBM speciality engines [ processors ] and their performance.
*Good understanding of ITIL processes and procedures.
*Ability to perform diagnostics and perform RCA [ Root cause analysis ].
*Strong analytical and documentation skills.
*Should be a team player with excellent communication and technical skills.
*Provide a 7/24 service on-call to clients

Essential KnowledgeExcellent Communication skills
Strong troubleshooting
Vendor coordination & ticket coordination
Business knowledge, Application team coordination
Desirable Experience in supporting PROD environments.
Experience PreferredRelevant Exp.: 5 yrs min 15 yrs max.