Identity Engineer (SSO / Entra ID) - Inside IR35 Hybrid working: 3 days per week in the office. Role Overview: The Identity Engineer will provide hands on delivery support across identity, authentication, and single sign on (SSO) changes as part of a large merger programme. The role focuses on implementing identity updates, supporting SSO remediation, and enabling Day 1 readiness activities. Required Technical Skills: Microsoft Active Directory in on premise and hybrid environments Microsoft Entra ID (Azure AD) Single Sign On (SSO) technologies including SAML 2.0 and OpenID Connect (OIDC) Identity attributes and authentication flows (e.g. UPN and email address changes) Working knowledge of certificates and PKI as they relate to identity and SSO Troubleshooting authentication and access issues Required Experience Proven experience delivering identity changes in enterprise environments Hands on experience supporting SSO migrations, updates, or remediation Experience wor...