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CICS System Programmer (Mainframe), south west london
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Client:
Ampstek
Location:
south west london, United Kingdom
Job Category:
Other
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EU work permit required:
Yes
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Job Views:
6
Posted:
28.06.2025
Expiry Date:
12.08.2025
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Job Description:
As a CICS System Programmer, the candidate will be part of a global team responsible for building, configuring, and maintaining the bank’s mainframe systems to ensure availability, efficiency, and resilience, based on the architectural principle of cloned infrastructure, system configurations, and applications.
Key Responsibilities:
* Perform mainframe CICS software upgrades, administration, and tuning to support mainframe environments. Current version is CICS 5.6.
* Provide high-level technical support (24/7) to minimize service outages or disasters.
* Analyze new versions of CICS to improve system performance and reduce costs.
* Track and analyze performance and resource utilization of CICS systems.
* Recommend changes, upgrades, and enhancements based on technical analysis.
* Perform problem diagnostics and resolutions.
* Participate in incident and problem management activities related to applications and CICS.
* Collaborate across functional teams and vendors, demonstrating a proactive attitude.
* Execute project and internal initiative responsibilities as assigned.
* Maintain enthusiasm and responsibility in developing system skills.
* Develop and maintain operational documentation, best practices, and run books for the operational platform.
* Upskill junior systems programmers.
Mandatory Skills:
* Over 10 years of experience installing and/or customizing mainframe CICS software in large data sharing environments.
* Over 5 years of experience with CICSplex and CICS Explorer for managing CICS systems.
* Strong understanding of resource definitions and dependencies.
* Knowledge of CF structures and their practical use in a business environment.
* Experience with Omegamon and Fault Analyzer, along with basic dump analysis skills on IPCS.
* Experience in cloning and sunsetting CICS regions.
* Basic understanding of CICS security with RACF.
* Experience working with SMF 110 records for problem determination.
* Strong problem-solving skills in system and application areas.
* Proficiency working in high-availability environments, aligned with ITIL processes.
* Experience maintaining vendor tools for CICS and familiarity with z/OS tools like SDSF and RMF.
* Experience automating CICS events via CICSplex RTA and/or system automation tools on z/OS.
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