Mission freelance Microsoft 365 Engineer

Located in Lille, Lyon, Nantes, Grenoble, and Brussels, Insitoo Freelances is an entity of Insitoo Group, specialized in Freelances sourcing and supplying.Since 2007, Insitoo Freelances has been a reference in IT thanks to its expertise, transparency, and proximity . We are looking for a Microsoft 365 engineer for our client in Brussels. 

Duration : 12 month - full time

Location : Brussels - 3 days per week on site

Responsibilities :

• Design and implement SharePoint Online information architecture: sites, hubs, permissions, sharing, content types, and governance that people can actually follow.

• Contribute to M365 cyber-resilience: secure configuration, privileged access, backup and restore, ransomware readiness, and recovery runbooks.

• Configure and operate Microsoft Entra ID in support of that work: Conditional Access, MFA, PIM, guest/external access, and application consent.

• Administer Intune at Confirmed level: compliance policies, configuration profiles, and device signals used by Conditional Access.

• Implement information protection with Microsoft Purview: sensitivity labels, DLP, retention. At least to Junior/Confirmed depth, working with security.

• Use PowerShell to inventory, harden, and automate recurring administration. No undocumented click-ops on production.

• Support incident response on M365 workloads (compromised account, widespread sharing leak, restore of a site or mailbox).

• Document as-is / to-be, standards, and handover so the internal team can operate what you build.

• Work with security, infrastructure and business owners on collaboration risk (external sharing, guests, oversharing, shadow IT).