IMS Mainframe Systems Programmer

Join us as an IMS Mainframe Systems Programmer at Barclays, where you’ll maintain and optimise IMS environments to ensure the performance, stability, and resilience of critical mainframe systems. You’ll support high‑availability operations, resolve multi‑faceted incidents, and collaborate with teams across the bank while contributing to ongoing modernisation and automation initiatives.

Responsibilities

• Maintain and optimise IMS environments to ensure performance, stability, and resilience of critical mainframe systems.
• Support high‑availability operations and resolve multi‑faceted incidents.
• Collaborate with teams across the bank while contributing to ongoing modernisation and automation initiatives.

Qualifications

• Ample knowledge of IMS DB/DC, z/OS, JCL, system utilities, and mainframe infrastructure.
• Ability to diagnose multi‑faceted production issues, perform root‑cause analysis, and restore service quickly in a high‑availability environment.
• Experience implementing changes safely, maintaining system stability, and ensuring performance, recovery, and operational resilience.

Preferred Skills

• Knowledge of Assembler with experience supporting user exits (advantageous but not necessary).
• Ability to improve efficiency through scripting, job automation, monitoring, and process optimisation.
• Understanding of the IMS Catalog and IMS Managed ACB concepts.

This role will be based in our Knutsford office.

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