Mainframe zVM System Admin

What are the top 3 skills required for this role

• z/VM System programming
• z/Linux Support
• Velocity product support

Job Description/ Responsibilities

• Excellent understanding of System z architecture
• Excellent experience with zVM
• Experience in building Mainframe LPAR and OS Upgrades
• Knowledge Catalog management IBM system utilities
• Knowledge on VTAM TCPIP ACF2 and GDPS
• Experience on z/VM and z/Linux
• 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/VM 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 zVM)
• Ability to work with Developers in fixing issues
• Extremely familiar with IBM z/VM Upgrade
• Experience in Coordinating with Vendor to complete the upgrades
• Knowledge z/VM MF configuration and setup
• 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
• Resource management on z/VM guest operating system Linux instance
• Handson experience on installation of RedHat enterprise Linux RHEL installation.
• Configuration and customization of virtual servers Page & Spool management
• Access management onboarding and access provisioning
• Security administration and access provisioning on VM and zLinux environment
• controlling reporting reviewing access violations. Creating and Implementing z/VM and Linuxrelated security plans for Audit readiness
• Troubleshooting performance issues capturing and sending dump to Vendor and Required network administrative tasks managing network device.

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