Central London / West End, London, United Kingdom Hybrid / WFH Options
GL Global
z/OSSystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OSSystemsProgrammer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBMz/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation … and compliance initiatives. Responsibilities Install, configure, and maintain z/OS, JES2, SMP / E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies More ❯
z/OSSystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OSSystemsProgrammer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBMz/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation … and compliance initiatives. Responsibilities Install, configure, and maintain z/OS, JES2, SMP / E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies More ❯
City of London, London, United Kingdom Hybrid / WFH Options
GL Global
z/OSSystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OSSystemsProgrammer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBMz/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation … and compliance initiatives. Responsibilities Install, configure, and maintain z/OS, JES2, SMP / E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies More ❯