AD Engineer

AD Engineer - Contract

£600 per day | Inside IR35
London | 2-3 days per week onsite

We're looking for an experienced AD Engineer to join a global enterprise IT environment, supporting and developing core infrastructure services across on-premise and cloud environments.

This is a hands‑on role focused on the management, support and lifecycle of Active Directory and Microsoft infrastructure , with strong exposure to Azure and Entra ID .

Key Responsibilities

• Manage and support Active Directory , including OU design, GPOs, Group Policy Preferences, Domain Controllers and roles management.
• Manage core infrastructure services including DNS, DHCP, WINS and PKI/certificate services .
• Support and manage Azure and Microsoft Entra ID services, including:
• Conditional Access
• Role and Group Management
• Entra Connect
• Microsoft Authenticator
• On-premise Active Directory integration
• Group Policy and Intune policies
• Defender for Identity
• Support SSO and authentication services across the enterprise.
• Perform server migrations, upgrades, security patching and application migrations.
• Troubleshoot complex infrastructure issues and proactively identify potential service‑impacting problems.
• Work closely with Information Security to maintain infrastructure compliance.
• Develop and maintain technical documentation, procedures, RCAs and knowledge articles.
• Lead project and BAU activities, working with internal teams, suppliers and wider stakeholders.
• Provide technical leadership, mentoring and guidance to other team members.
• Contribute to infrastructure roadmaps, technology lifecycle management and service improvements.

Essential Experience

• 5+ years' experience working with Microsoft infrastructure in an enterprise environment.
• Strong hands‑on expertise across Active Directory, Group Policy, DNS and DHCP .
• Strong knowledge of Microsoft Azure and Entra ID .
• Extensive PowerShell scripting experience, including creation, testing and modification.
• Experience with PKI, certificate management and Domain Controller administration .
• Experience supporting SSO and authentication technologies .
• Experience with server migrations, upgrades, patching and application migrations .
• Understanding of high availability, disaster recovery and clustering .
• Experience supporting global infrastructure environments .
• Strong troubleshooting, analytical and problem‑solving skills.
• Ability to communicate effectively with technical and non-technical stakeholders.

Desirable

• F5 BIG-IP / load balancing experience.
• Experience migrating services to Azure .
• Microsoft certifications across Active Directory, Azure or related technologies.
• ITIL Foundation certification or demonstrable ITIL working practices.

#J-18808-Ljbffr

Full job description from WhatJobs. Apply for this role →