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Infrastructure Engineer (IT) / Contractor
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Role Title: Infrastructure Engineer
Location: Manchester or Inverness, 5 days onsite
Duration: 13/03/2027
£519.10 inside IR35 Per Day
Role Overview
We are seeking an experienced Senior Identity Infrastructure Engineer to support and maintain the core identity infrastructure platforms that underpin the organisation's Identity and Access Management (IDAM) services.
The successful candidate will be responsible for the administration, support, security, and continuous improvement of the Active Directory, PKI, DNS, Group Policy, and authentication infrastructure. They will work closely with the wider IDAM team, supporting critical identity services and providing L2/L3 operational support across the identity estate where required.
This role requires a highly capable infrastructure engineer with deep expertise in Microsoft Active Directory and Public Key Infrastructure (PKI), combined with a strong understanding of enterprise identity technologies and authentication services.
The position is based within secure facilities in either Inverness or Manchester, working closely with security, engineering, and IDAM teams to ensure the availability, resilience, and security of critical identity platforms.
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Key Responsibilities
Active Directory Infrastructure
- Administer and maintain enterprise Active Directory forests, domains, and domain controllers.
- Manage Active Directory Sites and Services, replication topology, trusts, and directory services infrastructure.
- Administer AD-integrated DNS and support authentication services across the enterprise.
- Manage and maintain Group Policy architecture, including policy design, implementation, troubleshooting, and lifecycle management.
- Support Active Directory backup, recovery, disaster recovery, and business continuity processes.
- Monitor platform health, performance, security, and replication.
- Support Active Directory upgrades, migrations, consolidation projects, and infrastructure improvements.
- Implement and maintain Active Directory security hardening standards and privileged access controls
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LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance, and assurance.
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A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive years. We are committed to fostering an inclusive, equitable, and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.
Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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