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# M365 Messaging & Collaboration Architect

- **Company:** Deerfoot Recruitment Solutions Limited
- **Location:** London, UK
- **Salary:** £188,874.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Microsoft Azure, Systems Integration
- **Published:** November 6, 2026
- **Apply:** https://www.constructionjobboard.co.uk/job/3804845/m365-messaging-collaboration-architect/

## About the Role

* Extensive, recent experience architecting and supporting Microsoft 365 messaging and collaboration
 * Deep hybrid Exchange experience, both Exchange Online and on-prem
 * Strong understanding of email routing and email security gateways, from any vendor
 * Knowledge of Purview, Entra and Azure, including DLP and email archiving integrations

Desirable: financial services or other regulated environments, Proofpoint, on-prem to Exchange Online migrations

## Description

Are you the Microsoft 365 architect other engineers turn to when mail flow, security and collaboration all have to fit together? This M365 Messaging & Collaboration Architect contract puts you at the centre of a leading global financial services organisation's email and collaboration estate.

You'll be the hands-on point of contact for technical escalations and will shape project work as it arrives, including a consolidation of several email security gateways onto a single platform. It's a hybrid Exchange environment, mostly cloud with some mailboxes still on-prem, so depth across both matters.

What You'll Be Doing

 * Acting as the technical point of contact and escalation for the messaging and collaboration team
 * Advising on and designing Microsoft 365 solutions across Exchange Online, Purview, Entra and Azure
 * Shaping email routing and mail flow across a hybrid Exchange environment
 * Contributing to an email security gateway consolidation onto a single platform
 * Integrating DLP and email archiving tooling with the platform
 * Giving architectural input to project work as it comes in