Programme Manager - M365 Tenancy Consolidation

*** Multiple Merger & Acquisition led migrations/integrations***

(Large and very complex Microsoft 365 tenant migration experience is an essential requirement for this role)

• Contract | Hybrid – Stevenage and London sites (some home working too) – so happy to work hybrid
• Up to £900 per day – INSIDE IR35 via an umbrella
• Start in October 2026 is essential - up to six months initially

You will have successfully led enterprise-scale tenant migrations involving users, devices, applications, data, identity, security, and infrastructure, ideally within a fast-paced acquisition or business integration environment.

We are seeking an experienced IT Programme Manager to lead a major acquisition-related Microsoft 365 tenant migration and business integration programme
. This is a high-profile leadership role responsible for delivering a complex portfolio of work covering discovery, migration, integration, deployment, and operational transition.

Working closely with the CTO, Programme Director, business stakeholders, and delivery teams, you will drive programme governance, manage multiple work streams, oversee third-party suppliers, and ensure successful delivery to time, budget, and quality objectives.

• Lead a large-scale Microsoft 365 tenant migration programme.
• Manage multiple projects and work streams within an acquisition/integration environment.
• Own programme planning, governance, RAID management, budgeting, and reporting.
• Coordinate business, technology, security, and supplier teams.
• Deliver executive-level reporting and stakeholder engagement.
• Oversee migration readiness, cutover planning, deployment, and operational handover.
• Manage programme risks, dependencies, resources, and financial performance.

• 8+ years' Programme Management experience.
• Proven delivery of large-scale Microsoft 365 tenant migrations.
• Strong experience of acquisitions, mergers, integrations, or separation programmes.
• Management of complex enterprise transformation or migration programmes.
• Multi-million-pound budget responsibility.
• Strong governance, PMO, and RAID management expertise.
• Experience managing third-party suppliers and systems integrators.
• Excellent stakeholder management with exposure to C-suite executives.

• MSP Practitioner
• PRINCE2 Practitioner
• Agile Practitioner
• ITIL Foundation/Practitioner

Please note you will receive an automated response advising you that we have received your CV.

We are committed to ensuring that all job applicants are treated equally, without discrimination because of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.