M365 Migration Engineer

Company: Lorien
Apply for the M365 Migration Engineer
Location: London
Job Description:

Microsoft 365 Migration Engineer – User Accounts

Role: Microsoft 365 Migration Engineer

Type: Contract – 3 Months

Location: Mainly Remote with some days expected in the London office

Rate: Competitive (Umbrella/PAYE)

Overview

We’re hiring a Microsoft 365 Migration Engineer to support a major tenant consolidation programme, migrating multiple source tenants into a single greenfield environment.

This is a hands‑on, end‑to‑end migration role, covering identity, messaging, collaboration, and endpoint management.

Key Responsibilities

  • Lead discovery, assessment, and migration planning across M365 workloads
  • Deliver migrations across:
  • Microsoft Teams
  • SharePoint Online & OneDrive
  • Active Directory & Entra ID
  • Intune / Endpoint Management
  • Execute migrations using Quest On Demand Migration (core requirement)
  • Manage mailbox migrations, Teams transitions, and SharePoint data moves
  • Define and execute cutover strategies, testing, and hypercare support
  • Handle DNS changes (MX, Autodiscover, SPF, DKIM) and mail flow validation
  • Produce documentation, runbooks, and migration reports
  • Recent, hands‑on experience with Quest On Demand Migration (non‑negotiable)
  • Proven track record delivering M365 tenant‑to‑tenant migrations at scale
  • Experience across:
  • Exchange (Online & Hybrid)
  • Active Directory & Entra ID
  • SharePoint Online & OneDrive migrations
  • Microsoft Intune (endpoint & mobile management)
  • PowerShell skills across M365 modules
  • Understanding of identity sync (Entra Connect / Hybrid environments)

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Posted: May 25th, 2026