z/OS Mainframe SystemsProgrammer Location: Remote (must be in US / EST Hours) Pay Rate: $60-$68 / h w / conversion salary of 125k Public Trust Required Responsibilities: DMI, LLC is seeking a … /OS (2.5 and 3.1) and all related IBM and third-party products. Install, configure, and upgrade IBMz/OS components, including JES2, TCP / IP, VTAM, RACF, SMP / E, and IBMz … PC / server background with ability to use modern tools for documentation, collaboration, and process management. Desired Skills / Certifications: Experience with IBMz Workload Scheduler version 10, Vanguard Security Solutions. Familiarity with hybrid environments integrating the mainframe with distributed platforms. Knowledge of modern DevOps practices in mainframe operations. Clearance Requirements More ❯
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 ❯
East 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 ❯
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 ❯
Leigh, Greater Manchester, 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 ❯
Leeds, West Yorkshire, 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 ❯
Bolton, Greater Manchester, 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 ❯
Altrincham, Greater Manchester, 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 ❯
Bury, Greater Manchester, 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 ❯
Ashton-Under-Lyne, Greater Manchester, 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 ❯
Genesis10 is currently seeking a Mainframe z/OS Operating System SystemsProgrammer/ System Administrator with our client in the financial industry located in Plano, TX and Richmond, VA. This is a 12 + month contract position. Requirements: 10+ … years' experience Experienced mainframe z/OS operating system systemsprogrammer/ system administrator role within a team that supports engineering and operations for multiple multi-system sysplexes globally Experience with configuring the z/OS operating system and installing software upgrades, patching and usermods using the System Modification Program Extended (SMP / E) tool Experience with coding utilities and usermods in Restructured Extended Executor (REXX) and Basic Assembly Language (BAL) programming languages Experience with generating complex server, storage and network hardware configurations using the Hardware Configuration More ❯