Active Directory Expert
At Elwood Roberts · Dublin, Ireland
- Full-time
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Where you’ll work
Hybrid, based in Dublin
“Dublin, Ireland”
From the location.
“Location: Dublin 15, Ireland”
From the job description.
“Working arrangement: Hybrid (1-3 days a week)”
From the job description.
Hybrid means some days in the office. The listing says how many, and where.
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- First seen by us
- 15 October 2026
- Last checked
- 15 hours ago
Job description
From Elwood Roberts’s job post, as they wrote it.
Job: Active Directory Subject Matter Expert
Location: Dublin 15, Ireland
Rate: 600-650 per day
Type: Contract
Duration: 6 months+
Working arrangement: Hybrid (1-3 days a week)
For the role as an Active Directory Subject Matter Expert (SME) will be responsible for the design, implementation, management and support of the organisations AD environment. The AD SME will serve as the technical lead in configuring and optimising the AD infrastructure, ensuring the security, scalability, and performance of the directory services. This individual will collaborate with internal teams to integrate AD services with various applications and ensure alignment with IT security policies.
Read the full description
Key responsibilities & duties include:
* Active Directory Design & Implementation:
* Lead the architecture, design, and deployment of complex AD infrastructure solutions
* Manage AD-related projects, including upgrades, migrations and integrations
* Design and implement Group Policies (GPOs) to enforce security and compliance requirements
* Lead efforts to modernise AD, such as implementing Azure AD and hybrid cloud solutions
* Day-to-Day Operations & Support:
* Monitor, maintain, and support AD, DNS, DHCP and related infrastructure to ensure high availability and performance
* Troubleshoot and resolve escalated AD-related issues, including authentication failures, replication errors and DNS configuration
* Provide advanced technical support and act as an escalation point for junior team members
* Conduct routine health checks, system monitoring and performance tuning
* Ensure the security of AD through the implementation of appropriate access controls, auditing and hardening measures
* Collaborate with the security team to identify and mitigate potential security vulnerabilities in the AD environment
* Ensure AD compliance with relevant regulations (e.g., GDPR, HIPAA) and internal policies
* Implement and manage role-based access control (RBAC) and privileged access management (PAM)
* Backup, Disaster Recovery, and Continuity:
* Develop and maintain AD backup and recovery strategies, including disaster recovery planning
* Perform regular AD health checks and ensure that proper backup/restore procedures are in place
* Documentation & Training:
* Create and maintain comprehensive documentation of the AD environment, including designs, processes and configuration guides
* Provide training and knowledge transfer to team members on AD best practices, security configurations and new implementations
* Collaboration & Innovation:
* Work closely with other infrastructure teams, including networking, cloud and security teams, to ensure AD integrates seamlessly with other services
* Evaluate new technologies and tools to enhance the AD environment and contribute to strategic IT initiatives
* Provide recommendations for improving scalability, security and performance
We are looking for people with the below level of experience:
* Experience with Microsoft Active Directory design, implementation, and management
* Strong understanding of Windows Server platforms, AD architecture, DNS, DHCP and LDAP
* Experience with Group Policy management and AD forest/domain configurations
* Expertise in Azure Active Directory (AAD), hybrid identity management and cloud integrations
* Experience with security protocols like Kerberos, NTLM, SAML, and OAuth
* Familiarity with PowerShell scripting for AD automation and administration
* Security & Compliance:
* Strong knowledge of AD security best practices, including account policies, delegation, access control and auditing
This is an excellent opportunity to secure a long-term contract with a well-known business based in Dublin with amazing career opportunities. If you would be interested, please submit your application to the link provided.
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