Active Directory RBA engineer UK Remote SC Clearable

Technical Active Directory (AD) and RBA specialist needed to play a key part in complex, enterprise scale Active Directory and access transformation programmes. You will work alongside senior team, helping reshape access models, modernise legacy directory structures and strengthen security posture across secure environments.

This is hands on delivery within high impact projects where your work directly improves access control, compliance and operational resilience.

Active UK Security Clearance required.

This is a remote role with client travel.

• Implementation of Role Based Access Control across large AD estates
• Restructuring complex permission models, security groups and delegated access
• Supporting domain controller upgrades and core directory improvements
• Applying security hardening standards and remediating audit findings
• Enhancing authentication, policy and access governance frameworks
• Troubleshooting and resolving technical AD challenges within live environments
• Producing robust technical documentation and identifying project risks

• Enterprise Active Directory administration
• Role Based Access and permission remediation
• OU design and governance
• Group Policy management
• Security group delegation models
• DNS and DHCP services
• Kerberos authentication / NTLM
• PowerShell scripting and automation
• Azure AD Entra ID
• Hybrid identity environments
• Identity Governance
• PAM