Implementation Manager - Mainframe Product Migration

Overview

In this role, you will plan and execute end-to-end implementation of a mainframe migration into production, ensuring a controlled cutover. You lead integrated deployment, readiness, and go/no-go governance across technology, operations, business, and vendors. You will drive readiness, data migration activities, and post-go-live support, with a focus on risk, compliance, and efficient handover to BAU. This is a high-impact, cross-functional role that shapes large-scale legacy migrations in a regulated environment.

Pay / Benefits

• comprehensive benefits package
• health and wellbeing prioritized
• hybrid work model
• competitive salary

Responsibilities

• Develop and maintain the integrated deployment/cutover plan (scope, approach, timeline, dependencies, critical path)
• Lead cutover planning with detailed runbooks, rehearsals, roles, communications, and contingency plans
• Coordinate release and change management activities (CAB submissions, approvals, change records, signoffs)
• Drive environment readiness (capacity, access, monitoring, scheduling, support model, service transition)
• Manage data migration activities with sequencing, validation, reconciliation, and controls
• Orchestrate dress rehearsals and extract lessons to harden runbooks
• Oversee governance activities (readiness reviews, RAID logs, executive reporting)
• Coordinate hypercare/post-go-live activities (incident triage, backlog, stabilisation, handover to BAU)
• Ensure alignment with risk/compliance/audit requirements and third-party/vendor management

Key requirements

• Proven experience in implementation/cutover/deployment management for mainframe or large-scale legacy migrations
• Solid knowledge of z/OS production operations, batch cycles, scheduling, DB2/IMS, CICS, and resilience/DR practices
• Experience running dress rehearsals, cross-team cutovers, and leading go/no-go forums
• Working knowledge of ITIL-aligned change, release, and incident management in regulated environments

• Excellent planning and dependency management
• Calm, clear leadership under high-pressure cutovers
• Strong stakeholder management across technology, operations, business, risk/compliance, and suppliers
• MS Project
• Smartsheet
• Jira

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