Active Directory & Identity Engineer

We are looking for an experienced AD & Identity Engineer to join a large-scale merger programme, providing hands-on delivery support across identity, authentication and Single Sign-On (SSO).

You will be responsible for implementing identity changes, supporting SSO remediation and helping ensure Day 1 readiness across a complex enterprise environment.

Key Responsibilities

• Deliver identity and authentication changes across on-premise and hybrid environments
• Support Microsoft Active Directory and Microsoft Entra ID changes
• Implement and troubleshoot SSO integrations using SAML 2.0 and OpenID Connect (OIDC)
• Support identity attribute changes, including UPN and email address updates
• Troubleshoot authentication and access issues
• Support testing, cutover and go-live activities
• Work closely with project and programme teams to deliver structured identity changes
• Support change and release processes throughout the merger programme

Key Skills & Experience

• Strong hands-on Microsoft Active Directory experience across on-premise and hybrid environments
• Proven experience with SSO technologies, particularly SAML 2.0 and OIDC
• Understanding of identity attributes and authentication flows
• Working knowledge of certificates and PKI in relation to identity and SSO
• Strong troubleshooting skills across authentication and access issues
• Experience delivering identity changes within large enterprise environments
• Hands-on experience supporting SSO migrations, updates or remediation
• Experience working through testing, cutover and go-live
• Comfortable working within structured project, change and release environments

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