Mainframe Project Manager 9 month initial contract Sheffield Hybrid working Inside IR35 We are seeking an experienced Mainframe Project Manager to lead and deliver complex mainframe initiatives on a contract basis. The ideal candidate will have hands-on experience with z/OS environments, IBM Z tooling, and a proven track record of delivering on-time, within-scope, and within-budget projects through effective governance, risk management, and stakeholder engagement. Key Responsibilities: Lead end-to-end delivery of mainframe projects (e.g., COBOL/CICS/DB2 modernization, batch scheduling, application migrations, containerization strategies, or performance tuning). Define project scope, goals, milestones, timelines, budgets, and resource plans; manage changes via a formal change control process. Develop and maintain project artifacts: project plan, RAID log, communications plan, status reports, and executive dashboards. Apply