2638 IT & Software Developer jobs in the UK
IBM Mainframe Engineer / z/OS Systems Programmer
£130,000 - 149,500
Essential Consulting
Devonshire Square 9, London
£130,000 - 149,500
Requirements
Must:
- Strong experience within IBM Mainframe (z/OS) environments (essential)
- Background in infrastructure / systems programming (not development-focused)
- Experience in one or more of the following areas: z/OS Systems Programming
- System Automation (OPS/MVS, IBM SA)
- CICS Transaction Server
- DB2 for z/OS
- IBM Z Storage (DFSMS, DASD)
- Solid understanding of core tooling such as JCL, TSO/ISPF, SMP/E
- Experience supporting production systems in enterprise environments
Responsibilities
- Provide hands-on support and engineering across IBM z/OS platforms
- Perform system upgrades, maintenance, and ongoing platform support
- Troubleshoot and resolve complex production issues
- Work across core mainframe tooling including JCL, TSO/ISPF, and SMP/E
- Support critical banking systems in a high-availability environment
- Contribute to both BAU support and project-based initiatives
Description
We are currently supporting a major global banking client in the build-out of their core Mainframe infrastructure team. This is an opportunity to join a large-scale enterprise environment, working on a complex and business-critical IBM z/OS estate. We are looking for contractors with strong Mainframe infrastructure experience, particularly within z/OS environments, across various specialist areas. Our role supports a hybrid working model based in the UK, with a preference for occasional onsite presence in Sheffield.
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You can find System Engineer salaries in the UK here.
How many System Engineer jobs are in the UK?
Currently, there are 2638 System openings. Check also: Linux jobs, Windows jobs, Network jobs - all with salary brackets.
Is the UK a good place for System Engineers?
The UK is one of the best countries to work as a System Engineer. It has a vibrant startup community, growing tech hubs and, most important: lots of interesting jobs for people who work in tech.
Which companies are hiring for System Engineer jobs in the UK?
Circuit Mind, UKTL, SmartPA, Government Communications Headquarters (GCHQ), Deep Sea Electronics Ltd, Inspired Gaming Group, Thorntons Law LLP among others, are currently hiring for System roles in the UK.
The company with most openings is Experis as they are hiring for 55 different System Engineer jobs in the UK. They are probably quite committed to find good System Engineers.
The company with most openings is Experis as they are hiring for 55 different System Engineer jobs in the UK. They are probably quite committed to find good System Engineers.