As a Senior Identity Infrastructure Engineer, you will be responsible for the administration, support, security and continuous improvement of the organisation's identity infrastructure estate. This role focuses on Active Directory, PKI, DNS, Group Policy and authentication services, while also providing L2/L3 operational support across wider identity platforms.

• Administer and maintain enterprise Active Directory forests, domains and domain controllers.
• Manage Active Directory Sites and Services, replication topology, trusts and directory infrastructure.
• Maintain AD-integrated DNS and authentication services.
• Design, implement and support Group Policy architecture.