Job Title: Mainframe Developer Job Description: We are seeking a seasoned Mainframe Developer with strong expertise in IBM DB2 and core mainframe technologies. The role involves designing, developing, testing, and maintaining high-performance mainframe applications using COBOL, IMS, and z/OS. The ideal candidate will also manage and optimize data with IBM DB2 and promptly troubleshoot production issues to More ❯
CH4, Eccleston, Cheshire West and Chester, Cheshire, United Kingdom
Ascendion
Job Title: Mainframe Developer Job Description: We are seeking a seasoned Mainframe Developer with strong expertise in IBM DB2 and core mainframe technologies. The role involves designing, developing, testing, and maintaining high-performance mainframe applications using COBOL, IMS, and z/OS. The ideal candidate will also manage and optimize data with IBM DB2 and promptly troubleshoot production issues to More ❯
Join us as a Mainframe IMS DBA to support the stability of our mainframe infrastructure. You will enhance IMS database performance and availability across business-critical systems. This role involves collaboration with technical teams and contribution to long-term platform improvements. Learn more about the general tasks related to this opportunity below, as well as required skills. To be successful … as a Mainframe IMS DBA, you should have: Extensive experience with IMS databases (Fastpath and Full Function), PSB/PCB configuration, and IMSv15; Demonstrable experience with BMC and IBM toolsets, JCL scripting, TWS scheduling, and RACF security; Solid experience in Programming in Assembler or COBOL within enterprise environments. Some other highly valued skills may include: Troubleshooting infrastructure issues and supporting … live production systems. Understanding mainframe architecture and IMS to Db2 migration processes. Supporting change, transformation, and modernization across legacy platforms. You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking and digital and technology, as well as job-specific technical skills. This role is More ❯
Chester, Cheshire, United Kingdom Hybrid / WFH Options
ECS
z/OS System Programmer Remote Working Initial 4-months £500 - £550, Outside IR35 We're recruiting on behalf of a Mainframe Services Provider who are looking for a z/OS System Programmer to support the migration, installation, maintenance, and performance of IBM z/OS environments. As a z/OS System Programmer, you will be responsible for … Installing and maintaining z/OS, JES2, SMP/E, RACF Manage system patches, upgrades, and tuning Troubleshoot complex mainframe issues Collaborate on integrations and deployments Ensure security and regulatory compliance Demonstrate z/OS system programming experience Proven skills and experience to help you succeed in this role: Previous experience working as a z/OS System Programmer Experience More ❯