Mainframe Architect JOB SUMMARY • Excellent understanding of System z architecture • Extensively familiar with IBM z/OS Upgrade • Support maintenance release and major OS upgrades. • Process client requests for system software modifications • Work with operations to monitor, maintain and IPL systems to improve consistency and availability • Ensure availability and performance objectives, as required by clients and management, are maintained for operating systems and for system software components • Capable of planning and supporting Disaster recovery exercises • Performance tuning & Development of operational procedures • Implement changes as needed to support other towers and day-to-day operations. • Work with IBM and other Independent Software Vendors on a regular basis • Provide regular management reports / analysis to senior management team regarding Incidents, Changes and requests Key Responsibilities • Incident Management / Problem Management by performing problem analysis and resolution implementation • Review system indicators (logs, dumps, error) logs for pro-active management of system problems • Monitor / Tune system performance and work with performance engineering and capacity teams • Implement appropriate tools and processes to automate repeated tasks • Manage various license codes for infrastructure software. • Planning, installation, customization of z/Linux and guest operating system Required Qualifications • z/OS System upgrades • Product Upgrade • JES2/JES3 migration experience • Excellent experience with z/OS version upgrades (Advantage if experience 3.2 upgrade or above) • JES2/JES3 migration experience • 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 • Installation and customization of z/OS and related IBM or other ISV software; • Extensive experience with providing performance and tuning using monitoring tools (f. ex. z/OS Performance Monitor or other tools); • DIRMAINT administration - RACF/Top secret/ACF2 administration; • REXX knowledge - SSI knowledge; • Ability to support network configuration and maintenance (Real TCP/IP stack, VSWITCH, TCPIP tools in z/OS, 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 • Experience with system indicators (logs, dumps, error) logs for pro-active management of system problems • Installation and maintenance of ISV products (For z/OS) • Ability to work with Developers in fixing issues • Experience in Coordinating with Vendor to complete the upgrades • Ability to perform dump and restore of system data. • Responsible for tolerating PTF maintenance for ISV products • Access management - onboarding and access provisioning