M365 Architecture & Engineering Lead

WPP; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

WPP is seeking a Lead M365 Architect within WPP Enterprise Technology in Greater London. You will own the M365 architecture, standards, and engineering roadmap, and lead a team of architects and engineers to deliver complex migrations and secure, compliant designs.

You'll partner with vendors and internal stakeholders, set design authority, and ensure solutions meet WPP security and resilience standards. The role offers a hybrid work model and opportunities to shape enterprise-scale Microsoft

Qualifications

• Expert M365 architecture and engineering (Exchange, Teams, SharePoint, Copilot, Copilot Studio, PowerApp/Automate, Power BI/Fabric, Defender and Purview).
• Knowledge of enterprise identity platforms (Okta) and integration with M365 workloads; ability to guide CA, authentication flows, hybrid connectivity and Zero Trust.
• Experience with large-scale tenant migrations (100,000+ seats) and design using ShareGate or native tools.
• Proven ability to produce architecture docs (HLD/LLD) and ADRs; architecture governance with vendors.

Responsibilities

• Own the M365 architecture, standards and engineering roadmap.
• Lead and manage the M365 architects and senior engineers.
• Design and assure complex M365 change and migrations.
• Ensure partner-delivered designs meet WPP security and standards.
• Embed security, resilience and compliance by design.
• Provide senior technical escalation above the run layer.
• Set architecture patterns and guardrails for implementation.
• Approve partner architecture decisions.

Skills

M365 architecture

Exchange

Teams

SharePoint

Copilot

Power BI

Zero Trust

Okta integration

Graph API

PowerShell

Education

Degree in a relevant discipline

Tools

ShareGate

Microsoft migration tooling

Job description

WPP is the trusted growth partner for the world’s leading brands.

We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth.

We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise.

Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow.

For more information, visit WPP.com.

WPP Enterprise Technology provides Technology services for WPP, the world’s largest communications services group. As a creative transformation company, WPP is helping its clients transform the future through extraordinary work. WPP ET is an integral part of that journey, and we are proud to provide technology for some of the world’s most creative brands.

Lead M365 architecture and senior engineering, owning the platform design and the most complex change. Combines retained architecture and senior-engineering capability for Microsoft 365.

Whatyou'llbe doing:

• Own the M365 architecture,standardsand engineering roadmap.
• Lead and manage the M365 architects and senior engineers.
• Design and assure complex M365 change and migrations.
• Assure third party support provider delivered designs and change to WPP standards.
• Embed security, resilience and compliance by design.
• Provide senior technical escalation above the run layer.
• Set the architecture, patterns and guardrails that Kyndryl implements and operates within.
• Assure that partner-delivered designs and changes meet WPP security, resilience and standards.
• Act as design authority and approval gate for partner architecture decisions.

Whatyou'llneed:

• Expert M365 architecture and engineering(Exchange, Teams, SharePoint,Copilot, Copilot Studio, PowerApp/Automate, Power BI/Fabric,DefenderandPurview) .
• Working knowledge of enterprise identity platforms, specifically Okta, and how M365 workloads integrate with them; ability to provide architectural guidance on conditional access, authentication flows, hybrid connectivity and Zero Trust principles without directly owning the identity platform.
• Large-scale tenant migration and integration design at 100,000+ seat scale, with hands-on experience of tools such as ShareGate or Microsoft’s native migration tooling.
• Microsoft Graph API, PowerShell scripting (Exchange Online Management Shell, PnP PowerShell, Microsoft.Graph module) and automation at enterprise scale for M365 administration and deployment.
• Proven ability to produce and own architecture documentation, HLD (High-Level Design) and LLD (Low-Level Design), architecture decision records (ADRs) and reference architectures as the recognised design authority.
• Proven vendor governance experience, including oversight of large managed service providers and holding partners accountable to contractual SLAs and agreed design standards.
• Microsoft 365 certifications: Microsoft 365 Certified: Enterprise Administrator Expert (MS-102, or legacy MS-100/MS-101) is essential. Microsoft 365 Certified: Security Administrator Associate, Microsoft Certified: Azure Solutions Architect Expert, or Microsoft Certified: Cybersecurity Architect Expert are highly desirable.
• Architecture framework qualification such as TOGAF 9/10 or equivalent is advantageous.
• Technical leadership and design authority.
• Recognised architecture experience in the relevant domain at enterprise scale.
• Relevant architecture or platform certifications (e.g. TOGAF or vendor architect tracks).
• Degree in a relevant discipline or equivalent experience.
• Sets the target architecture,standardsand design patterns for the domain.
• Designs for security, scale, resilience and total cost of ownership.
• Influences engineering and vendor teams without direct authority.
• Balances strategic ambition with pragmatic, deliverable decisions.
• Stays current with platform direction and emerging capability.

Who you are:

You'reopen : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: tonew ideas, new partnerships, new ways of working.

You'reoptimistic : We believe in the power of creativity,technologyand talent to create brighter futures or our people, ourclientsand our communities. We approach all that we do with conviction: to try the new and toseekthe unexpected.

You'reextraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day.

Whatwe'llgive you:

Passionate, inspired people – We aim to create a culture in which people can do extraordinary work.

Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry.

Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge?

We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process.

WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.

Voluntary Equal Opportunities Questions (UK)

WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.