Identity Platform Engineer+ SC Cleared role+ Initial 12 month duration+ Working hybrid from Berkshire+ 580 to 630 Inside IR35 Key Skills: + AD, ADFS+ SSO, RBAC This role requires deep technical expertise, hands-on implementation experience, and a strong understanding of identity federation, authentication, and access control.Key Duties and ResponsibilitiesImplement and configure a new on-premise identity solution built on Microsoft Windows Server 2022, Active Directory (AD), and Active Directory Federation Services (ADFS).Work from solution designs to deploy and integrate identity components across environments, ensuring resilience, performance, and security. Configure and maintain federation services with other on-premise identity providers, supporting secure authentication and trust relationships.Implement Single Sign-On (SSO) and Role-Based Access Control (RBAC) in line with architectural and security requirements Collaborate with networking, security, and application teams to ensure the identity infrastructure integrates effectively with dependent systems.Develop and maintain technical documentation, including configuration guides, deployment procedures, and support manuals. Participate in testing, validation, and transition to operations, ensuring smooth handover and readiness for live support. Provide ongoing operational support, including incident resolution, change management, patching, and performance optimisation.Contribute to continuous improvement by identifying