The Role
- Install, configure, and maintain z/OS system software and core Mainframe subsystems.
- Lead and support system upgrades, patching, maintenance, and performance optimisation.
- Investigate and resolve complex Mainframe system issues.
- Contribute to platform migrations, integrations, and wider modernisation projects.
- Ensure systems meet security, compliance, and regulatory requirements.
- Collaborate with infrastructure, engineering, and application teams to deliver robust, reliable solutions.
Experience
- Extensive experience working with IBM z/OS Mainframe environments.
- Strong knowledge of core z/OS components and subsystems, including JES, SMP/E, and TSO/ISPF.
- Solid JCL experience, alongside Mainframe automation and scripting tools such as REXX, CLIST, or equivalent.
- Proven ability to install, configure, upgrade, and maintain Mainframe system software and utilities.
- Experience with third-party Mainframe tools and vendor products, including monitoring, storage, scheduling, or performance management solutions.
- A proactive approach to troubleshooting, platform reliability, and continuous improvement.
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Senior z/OS Systems Programmer - Mainframe Modernisation employer: GL Global
As a Legal Counsel / Corporate Solicitor at our prestigious FTSE 100 organisation, you will thrive in a fully remote environment that champions flexibility and work-life balance. Our inclusive work culture fosters collaboration and innovation, providing ample opportunities for professional growth and development while engaging with senior stakeholders on high-profile international transactions. Join us to be part of a dynamic team where your expertise in M&A will be valued and rewarded.
