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z/OS Systems Hardware Specialist, Sheffield
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Client:
Shape Your Future with Us
Location:
Sheffield, United Kingdom
Job Category:
Other
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EU work permit required:
Yes
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Job Reference:
df30cfdbe40c
Job Views:
3
Posted:
26.04.2025
Expiry Date:
10.06.2025
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Job Description:
z/OS Systems Hardware Specialist | Mainframe Support & Upgrades
Role Overview
We are looking for an experienced z/OS Systems Hardware Specialist to support and maintain Mainframe Processor operations within a multi-LPAR, multi-site Sysplex environment. The role involves hardware maintenance, system upgrades, troubleshooting, and performance optimization to ensure high availability and efficiency.
Key Responsibilities
* Mainframe Hardware Support & Maintenance:
o Oversee the UK Mainframe Processor estate in a multi-LPAR Sysplex environment.
o Troubleshoot and resolve day-to-day hardware incidents and system failures.
* Lead upgrades of IBM Mainframe Processors to the latest generations (z14, z15, z16).
* Upgrade Microcode levels on Mainframe Processors, Coupling Facilities, HMCs, and TKEs.
* System Configuration & Optimization:
o Build and activate IODF/IOCDS configurations for storage and system updates.
o Update PR/SM definitions via HMC.
* Work closely with cross-functional teams to ensure system efficiency and reliability.
* Maintain compliance with risk management and regulatory processes.
* Provide after-hours support for critical hardware implementations and upgrades.
Required Skills & Experience
* Extensive experience in Mainframe hardware support and configuration.
* Strong knowledge of IBM z/OS systems and tools, including:
o HMC, HCD, TSO/ISPF, SDSF, JCL, CHPID Mapping Tool, JES2.
* Hands-on experience with IBMz processor generations (z14, z15, z16).
* Sysplex and Coupling Facility expertise.
* Excellent troubleshooting and problem-solving skills.
* Effective communication skills, with the ability to explain complex technical concepts to a broad audience.
Preferred Skills (Not Mandatory but Advantageous)
* Automation, GDPS, Rexx, and CLIST scripting.
* OSA-ICC definition and configuration.
* Basic understanding of DWDM technology.
* Familiarity with Disk/Tape infrastructure.
* Location: Sheffield or Wakefield.
* Hybrid Work Model: Work-from-home flexibility with on-site presence when required.
Why Join?
* Work on critical IBM Mainframe upgrades in a high-performance IT environment.
* Lead next-generation mainframe technology implementations.
* Collaborate in a structured, technology-driven organization.
If you are a Mainframe Hardware Specialist with strong z/OS expertise, wed love to hear from you!
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