Senior M365 Engineer/SME

Senior M365 Engineer Location – London Hybrid role – 3 days in Office Type of role – 6 Months Contract with Potential extension Payrate – 450-550 per day Inside IR35

One of our clients, a leading financial services company, is seeking a Senior M365 Engineer to act as the local SME and technical lead for their London division. Partnering with their global US team, you will drive architecture, security, and major migrations, while gaining early exposure to cutting‑edge tools like Microsoft Copilot.

Key Responsibilities

• SME Ownership: Provide expert‑level design, implementation, and support for Teams, OneDrive, Exchange, and SharePoint.
• Lead Migrations: Spearhead critical projects including Mimecast‑to‑M365 and home drive‑to‑OneDrive migrations.
• Mail Security & Compliance: Act as the Line 1 security expert focusing on mail flow, routing, EOP, and Proofpoint compliance/e‑discovery integrations.
• Local Governance: Serve as the primary M365 point of contact in London for stakeholder and committee meetings.

Must‑Have Requirements

• 8+ Years of M365 architecture, security, and design experience in a global enterprise environment.
• 5+ Years as an Exchange Admin supporting large‑scale, 24/7 corporate messaging.
• 5+ Years with Azure AD (Entra ID), Intune, and Microsoft EMS.
• 5+ Years handling Microsoft/Proofpoint e‑discovery and compliance processes.

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