Expert, Sécurité M365
Core
Define, implement, and continuously improve the security posture of the Microsoft 365 (E5) environment, acting as a technical reference for IT and security teams.
Role type
Senior Microsoft 365 Security Expert (E5)
Builds
Production security configurations for identity, endpoints, data, and collaborative environments within Microsoft 365.
Domain
Information Security / Microsoft Cloud
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Advanced Microsoft 365 administration, Microsoft Entra ID (Identity Protection, Conditional Access, RBAC, PIM), Microsoft Defender XDR (Endpoint, Office 365, Identity, Cloud Apps), Microsoft Intune (device compliance, security policies, app control), SharePoint Online security, Microsoft Teams governance, Zero Trust principles, Secure Score optimization.
Preferred skills
Microsoft Purview experience, experience in regulated environments, knowledge of security challenges related to collaboration, data, and AI in M365.
Technologies
Microsoft Entra ID, Microsoft Defender for Endpoint, Defender for Office 365, Defender for Identity, Defender for Cloud Apps, Microsoft Intune, SharePoint Online, Microsoft Teams, OneDrive, Microsoft Purview.
Responsibilities
Design and maintain advanced conditional access policies (MFA, risk-based access, compliant devices, session control). Configure and operate Microsoft Defender XDR components to prevent and respond to security incidents. Define and maintain device management strategies via Intune including compliance policies and security configurations. Define and apply security standards for SharePoint Online, Teams, and OneDrive. Analyze and continuously improve the Secure Score and overall security posture. Translate CISO requirements into concrete technical M365 controls.
Seniority
Mid-Senior, hands-on IC