Posted:1 month ago|
Platform:
Work from Office
Full Time
• Excellent understanding of System z architecture
• Excellent experience with IBM z/OS operating system • Experience in building Mainframe LPAR and OS Upgrades • Knowledge Catalog management, IBM system utilities • Knowledge on VTAM, TCPIP, ACF2 and GDPS • Installation of patches and fixes • Installation and maintenance of ISV products, REXX, RMF, SMF • Administration and configuration of z/VM Operating Systems running SuSE or RedHat Linux • Installation and customization of z/VM and related IBM or other ISV software; • Extensive experience with providing performance and tuning using monitoring tools (f. ex. z/VM Performance Monitor or other tools); • DIRMAINT administration RACF/Top secret administration; • REXX knowledge - SSI knowledge; • Ability to support network configuration and maintenance (Real TCP/IP stack, VSWITCH, TCPIP tools in z/VM, etc.); • Solid skills in z/Linux system cloning and configuration including memory and file system allocation; • System parameters/parmlib maintenance • Managing incidents on z/OS related issues • z/OS performance monitoring and reporting • Knowledge on DFSMS, DFSMShsm, Flashcopy, ICF Catalogs, HCD • Capable of planning and supporting Disaster recovery exercises • Performance tuning & Development of operational procedures • Experience with system indicators (logs, dumps, error) logs for pro-active management of system problems • Installation and maintenance of ISV products (For zVM, ZVSE and zOS) • Ability to work with Developers in fixing issues
Cognizant
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