Mainframe Implementation Manager
- Hiring Organisation
- Whitehall Resources
- Location
- Sheffield, England, United Kingdom
client. **Please note this role falls INSIDE IR35** Role purpose: Plan, coordinate, and execute the end-to-end implementation of a mainframe product migration into production, ensuring a controlled, compliant, and low-risk cutover. Own the integrated deployment/cutover plan, readiness, and go/no-go governance across technology … approvals, change records, stakeholder signoffs). • Drive environment and operational readiness: capacity, access, monitoring, scheduling/batch windows, support model, service transition. • Manage data migration implementation activities with clear sequencing, validation steps, reconciliation, and operational controls. • Orchestrate dress rehearsals/mock cutovers, capture lessons learned and harden runbooks. • Lead implementation ...