ID​/M365 solution Architect

Identity & Microsoft 365 Architect | London | 6-Month Contract

Marbel Grange Group is working with a client seeking an experienced Identity & Microsoft 365 Architect to support a major identity and Microsoft 365 transformation programme.

Location:

London

Duration: 6 months

Rate: £400-500 per day

IR35:
Outside IR35

This is a hands-on architecture role focused on Microsoft Entra , hybrid identity, Microsoft 365, security, automation and migration.

• Strong hybrid identity experience across AD DS and Microsoft Entra
• SSO using SAML and OIDC
• Conditional Access, MFA and authentication troubleshooting
• Windows Hello for Business, FIDO2 and passkeys
• Application Registrations, Enterprise Applications and Service Principals
• B2B and external identity scenarios
• Entra , PIM, Entitlement Management and Lifecycle Workflows desirable

• Strong experience across Exchange Online, Exchange Server and hybrid environments
• Microsoft Teams and One Drive
• SharePoint Online administration, architecture, governance and permissions
• Microsoft 365 security and compliance
• Azure AD Connect and ADFS
• Migration and tenant transformation experience

• Strong Power Shell and Microsoft Graph experience
• REST APIs, JSON, OAuth 2.0 and certificate-based authentication
• Automation of Microsoft 365 and Entra administration
• Azure Functions, Logic Apps, Power Automate, .NET/C#/Python desirable

• Strong troubleshooting and security mindset
• Least-privilege access models
• Conditional Access, MFA and phishing-resistant authentication
• Microsoft Purview, DLP and Sensitivity Labels desirable
• ISO 27001, Cyber Essentials Plus or similar frameworks desirable

A major element of the role will involve removing on-premises identity components from an existing Microsoft 365 sub-tenant and supporting its transfer to a third-party tenant.

We're looking for someone who can combine architectural thinking with hands‑on technical delivery and confidently navigate complex Microsoft environments.