Mainframe zOS System programming and Storage Administrator

What are the top 3 skills required for this role

• z/OS System programming (System Administrator)
• z/OS Storage Administrator
• ISV Product support for z/OS

Job Description/ Responsibilities

• Mainframe Storage admin
• Extremely familiar with IBM z/OS operating system
• Knowledge on Parallel Sysplex concepts
• Experience mainframe LPAR builds
• Implement DFSMS
• Develop and maintain ACS routines
• CSM experience
• Support DFSMSdss data movement dump and restores of DASD volume
• Implement automatic backup and migration (DFSMShsm)
• Expertise in managing catalogs
• Implement and support advanced copy services like PPRC XRC Flashcopy
• Installing and configuring additional physical storage
• DR support

Mainframe z/OS System Programming

• Excellent understanding of System z architecture
• Excellent experience with z/OS version upgrades (Advantage if experience 3.1 upgrade or prior)
• 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 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
• Capable of planning and supporting Disaster recovery exercises
• Performance tuning & Development of operational procedures
• Experience with system indicators (logs dumps error) logs for proactive management of system problems
• Installation and maintenance of ISV products (For z/OS)
• Ability to work with Developers in fixing issues
• Extremely familiar with IBM z/OS Upgrade
• Experience in Coordinating with Vendor to complete the upgrades
• Planning installation customization of z/Linux and guest operating system
• Ability to perform dump and restore of system data.
• Responsible for tolerating PTF maintenance for ISV products
• Access management onboarding and access provisioning

Key Responsibilities:

• Incident Management / Problem Management by performing problem analysis and resolution implementation
• Support maintenance release and major OS upgrades.
• Process client requests for system software modifications
• Review system indicators (logs dumps error) logs for proactive management of system problems
• Work with operations to monitor maintain and IPL systems to improve consistency and availability
• Monitor / Tune system performance and work with performance engineering and capacity teams
• Ensure availability and performance objectives as required by clients and management are maintained for operating systems and for system software components
• Implement appropriate tools and processes to automate repeated tasks
• Manage various license codes for infrastructure software.
• Capable of planning and supporting Disaster recovery exercises
• Performance tuning & Development of operational procedures
• Implement changes as needed to support other towers and daytoday 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