Programme Manager - M365 Tenancy Consolidation

Morgan Philips Group; Stevenage, Greater London; On-site; GBP 100,000 - 166,000; Full time

Job summary

Morgan Philips Group is seeking an IT Programme Manager to lead a major Microsoft 365 tenant migration and business integration programme across Stevenage and London. The role involves governance, reporting, and coordinating cross-functional teams in a fast-paced M&A environment.

You will drive delivery to time, budget and quality, working with CTO, Programme Director, and senior stakeholders to ensure successful migration, integration and operational handover.

Qualifications

• 8+ years' Programme Management experience.
• Proven delivery of large-scale Microsoft 365 tenant migrations.
• Experience with acquisitions, mergers, integrations, or separations.
• 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.

Responsibilities

• Lead a large-scale Microsoft 365 tenant migration programme.
• Manage multiple projects and workstreams 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.

Skills

Programme management

Stakeholder management

Governance

Risk management

M365 experience

Tools

MSP

PRINCE2

Agile

ITIL

Job description

IT Programme Manager - M365 Tenant Migration & Business Integration

***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

Background needed:

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 workstreams, oversee third-party suppliers, and ensure successful delivery to time, budget, and quality objectives.

Key Responsibilities:

• Lead a large-scale Microsoft 365 tenant migration programme.
• Manage multiple projects and workstreams 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.

Essential Experience:

• 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.

Preferred Qualifications:

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

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