z/OS MainframeSystemsProgrammer 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 z/OS MainframeSystemsProgrammer to join us. The z/OS MainframeSystemsProgrammer will provide full lifecycle support for mainframe infrastructure, including planning, installation, configuration, maintenance, troubleshooting, and performance tuning. This individual will be responsible for ensuring high availability, security, and disaster recovery readiness across a multi-LPAR Parallel Sysplex environment. Duties and Responsibilities: Provide day-to-day systems programming support for z/OS (2.5 and 3.1) and all … z13 through z17), including Parallel Sysplex and Coupling Facility operations. Administer and optimize storage management (DFSMS, DFHSM, VSAM, DFSORT) and hardware configuration definitions (HCD, IODF/IOCDS). Provide systems support for middleware, including CICS, USS (OMVS, zFS, NFS, Apache), Debug Tools, and networking components. Provide information used to administer RACF security environments and integrate with Vanguard Security Solutions More ❯
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
East London, London, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
Bolton, Greater Manchester, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
Altrincham, Greater Manchester, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
Leigh, Greater Manchester, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
Bury, Greater Manchester, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. More ❯
Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
GL Global
z/OS SystemsProgrammer (Mainframe) - Fully Remote We are looking for an experienced z/OS SystemsProgrammer 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 Mainframesystems 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. 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 … Extended Executor (REXX) and Basic Assembly Language (BAL) programming languages Experience with generating complex server, storage and network hardware configurations using the Hardware Configuration Definition (HCD) Experience with configuring mainframe server logical partitions (LPARs) using the Hardware Management Console (HMC) Experience with defining security rules for the z/OS operating system using the Resource Access Control Facility (RACF More ❯
An exciting opportunity has arisen for an experienced Mainframe DB2 System Programmer to join a dynamic infrastructure engineering team, supporting mission-critical applications and data systems across enterprise platforms. This role is ideal for a professional who thrives on ensuring reliability, scalability, and performance in complex environments while embracing automation and continuous improvement. The Role The Mainframe DB2 System Specialist will be responsible for building, maintaining, and enhancing mainframe infrastructure that underpins key business operations. Working with cutting-edge tools and technologies, the role involves delivering secure, resilient, and automated solutions that support large-scale data systems and business applications. Key Responsibilities Install, maintain, and upgrade IBM DB2 and associated products, including DB2 CA … DB2 Connect, and Data Studio. Oversee the performance, availability, and security of mainframe infrastructure and DB2 databases. Develop and implement automation scripts to streamline operational processes and reduce manual intervention. Monitor system health, identify issues, and resolve incidents efficiently using data-driven approaches. Collaborate closely with engineers, architects, and product teams to deliver scalable, high-performing solutions aligned with More ❯