JOB TITLE: Active Directory Support Specialist LOCATION: Client Site Aldermaston Onsite 5 days per week (occasional WFH possible) SECURITY CLEARANCE: DV or willing to undergo DV vetting ROLE OVERVIEW: The Active Directory Specialist plays a pivotal role in supporting, maintaining, and enhancing a complex hybrid identity services environment that spans both On-Prem Active Directory and Entra (Azure Active Directory). Operating within a high-security, fast-paced public-sector setting, the role requires delivering expert 2nd/3rd line technical support while also contributing to long-term service transformation, infrastructure modernisation, and operational automation initiatives. You will work at the centre of enterprise identity and access management, ensuring stability, security, and performance across critical directory services including AD DS, Group Policy, ADFS, AD Connect, PKI, and a broad range of supporting technologies. This includes managing domain controllers, maintaining DNS/DHCP integrity, overseeing Group Policy design and deployment (including AGPM), and supporting authentication and federation services across tightly controlled environments. The role is highly technical and demands rigorous troubleshooting skills, deep protocol-level understanding, and the ability to diagnose complex issues across interconnected systems and multi-layered identity architectures. In ...
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