IMS Mainframe Systems Programmer

慨正橡扯; Knutsford; On-site; GBP 50,000 - 65,000; Full time

Job summary

Join Barclays as an IMS Mainframe Systems Programmer in Knutsford, where you’ll maintain and optimise IMS environments to ensure their performance and resilience. Support high‑availability operations and resolve multi‑faceted incidents while collaborating with diverse teams.

Ideal candidates bring extensive knowledge of IMS DB/DC, z/OS, and JCL, with a focus on diagnosing production issues and maintaining system stability. The role offers a dynamic environment focused on modernisation and automation.

Qualifications

• Ample knowledge of IMS DB/DC, z/OS, JCL, system utilities, and mainframe infrastructure.
• Ability to diagnose multi‑faceted production issues and perform root‑cause analysis.
• Experience implementing changes safely and maintaining system stability.

Responsibilities

• Maintain and optimise IMS environments for performance and stability.
• Support high‑availability operations and resolve incidents.
• Collaborate with teams while contributing to ongoing modernisation.

Skills

IMS DB/DC knowledge

z/OS experience

JCL knowledge

Root-cause analysis

Job automation

Job description

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.