Z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/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 and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience in z/OS systems programming Proficiency with JCL, REXX, CLIST, and SMP/E Hands-on experience with RACF administration Demonstrable ability to manage and troubleshoot enterprise Mainframe environments Experience with ISV tools such as Broadcom, BMC, or equivalent (desirable) This is an urgent contract, please apply immediately if you are interested.