Mainframe Systems Programmer (IMS)

About the role

Barclays is looking for an IMS Mainframe Systems Programmer to maintain and optimise IMS environments so that critical mainframe systems remain performant, stable and resilient. The role supports high-availability operations, resolves multi-faceted incidents and works with teams across the bank while contributing to modernisation and automation activities. It is based in the Knutsford office.

Key responsibilities

• Build and maintain infrastructure platforms and products that support applications and data systems, keeping them reliable, scalable and secure.
• Ensure reliability, availability and scalability through software engineering techniques, automation and best-practice incident response.
• Build engineering: develop, deliver and maintain high-quality infrastructure solutions that meet business requirements.
• Incident management: monitor infrastructure and system performance, identify and resolve issues, vulnerabilities and outages, and use data to reduce mean time to resolution.
• Automation: develop and implement automated tasks and processes, using software scripting and coding.
• Security: implement secure configurations and measures protecting infrastructure, hardware, software and data from cyber-attacks and unauthorised access.
• Teamwork: collaborate with product managers, architects and other engineers to define requirements, devise solutions and integrate with business objectives.
• Learning: stay informed of technology trends and contribute to the organisation's technology communities.

Required profile

• Good understanding of IMS DB/DC, z/OS, JCL, mainframe utilities and core mainframe concepts, with a willingness to develop applied technical skills through coaching and practical experience.
• Analytical thinking and a support mindset: investigates issues methodically, follows documented procedures and supports incident resolution in a production environment.
• Appreciation of change control, risk management, system stability and operational resilience, with the ability to escalate concerns when needed.
• Ability to lead and supervise a team, guide professional development and allocate work; people leaders must show the LEAD behaviours (Listen, Energise, Align, Develop).

Required skills

• IMS and z/OS knowledge
• JCL and mainframe utilities
• Advantageous: Assembler awareness, interest in user exits, and basic awareness of IMS Catalog and IMS Managed ACB
• Advantageous: interest in scripting, job automation, monitoring tools and process improvement