Mainframe Systems Infrastructure Specialist

1 week ago

Sheffield, Sheffield, United Kingdom NTT DATA Services Full time

Job Title: Mainframe Systems Infrastructure Specialist

Job Summary:

The Mainframe Systems Infrastructure Specialist will be responsible for ensuring the smooth operation and maintenance of the UK Mainframe Processor estate within a multi-LPAR, multi-site Sysplex environment.

Key Responsibilities:

  • Support and maintain the UK Mainframe Processor estate
  • Upgrade the UK Mainframe estate to the next generation of IBM Processor
  • Upgrade Microcode levels on Mainframe Processors, Coupling Facilities, HMCs, and TKEs
  • Build and activate IODF/IOCDS configurations in support of changes to the Storage estate and other key projects
  • Update PR/SM definitions via HMC

Requirements:

  • Extensive experience of mainframe hardware support and configuration
  • Knowledge of z/OS, HMC, HCD, TSO/ISPF, SDSF, JCL, CHPID Mapping tool, JES2
  • Knowledge of the latest IBMz processor generations z14, z15, z16
  • Sysplex and Coupling Facility knowledge
  • Excellent problem determination skills and a true team player
  • Ability to communicate complex information in a meaningful way to wide and varied audiences
  • Build effective networks across business areas, developing relationships based on mutual trust
  • Comprehensive understanding of risk management and proven experience of ensuring own and others' compliance with relevant regulatory processes

About NTT DATA Services:

NTT DATA Services is a recognized leader in IT and business services, including cloud, data and applications, headquartered in Texas. As part of NTT DATA, a $30 billion trusted global innovator with a combined global reach of over 80 countries, we help clients transform through business and technology consulting, industry and digital solutions, applications development and management, managed edge-to-cloud infrastructure services, BPO, systems integration and global data centers.

Equal Opportunities Employer:

NTT DATA Services is an equal opportunity employer and considers all applicants without regard to race, color, religion, citizenship, national origin, ancestry, age, sex, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic protected by law.

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