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Mainframe Systems Automation Engineer - Migration ProjectContract: 6 months (likely extension) Location: Primarily remote working (occasional office visits in Nottingham) Start: ASAP We're looking for an experienced Systems Automation Engineer to support a major Mainframe migration project. You'll be joining during a critical phase of the project, helping to deliver through UAT, testing and decommissioning stages. Most of the conversion work is already complete, your focus will be ensuring a smooth transition, validating migrations and supporting removal of legacy products post-migration. What You'll Do: Support system automation and output management during migration from Broadcom tools.Conduct UAT, validation and testing for migrated environments.Assist in decommissioning and removal of legacy software.Collaborate with internal stakeholders to ensure delivery milestones are met.Work flexibly, including occasional Sunday evening support during critical cutovers. What We're Looking For: Strong knowledge of Mainframe systems.Experience with OPSMVS, CA-View, CA-Deliver or Control-M.REXX experience highly desirable.Background in system automation, migrations or output management.Excellent communication and problem-solving skills.Splunk experience is a plus but not essential. Why Join: Work on a high-impact migration programme with real technical depth.Flexible, mostly remote working.Immediate start, with involvement through the Christmas period.