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# DV Cleared Infrastructure Engineer Active Directory

- **Company:** Experis
- **Location:** United Kingdom
- **Salary:** £156,000 - £177,840
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, User Authentication, Cluster Analysis, Configuration Management, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Hyper-V, System Center Configuration Manager, Windows Servers, Networking Basics, Routing, Public Key Infrastructure, Red Hat Enterprise Linux, TCP/IP, Virtualization Technology, VMware VSphere, Software Vulnerability Management, Firewalls (Computer Science), Wsus
- **Published:** November 10, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-6A49F762D9B70354B5/

## About the Role

If you enjoy hands-on infrastructure work where you're trusted to solve the tougher problems, this is a brilliant opportunity. Our client is hiring for a reputed client to join a secure IT team on a full-time, fully onsite basis. You'll bring strong expertise across Windows, Linux, virtualisation, storage, backup, monitoring and Microsoft Active Directory-helping keep critical systems stable, secure and moving forward to newer technology., * Experience supporting infrastructure at third-line level in a medium/large enterprise, with comfort stepping into second-line when required

 * Strong depth either in core infrastructure or Active Directory, with genuine hands-on ability in the other
 * Hands-on working knowledge across Windows Server 2016 onwards, VMware vSphere and/or Hyper-V, clustering/HCI, and SAN/NAS storage, backup and disaster recovery
 * Familiarity with SCCM, WSUS and monitoring (including capacity, resilience and DR)
 * Working knowledge of RHEL (or similar) for routine administration/patching/troubleshooting, plus networking basics (TCP/IP, DNS, Firewalls, ports and routing)
 * A UK citizen holding current Q2 clearance (essential)-no consideration without it
 * Clear communication and documentation skills, with a calm, controlled approach in secure IT environments

If you're ready for a hands-on role with real impact, we'd love to hear from you. Apply now and we'll be in touch.

## Description

* Act as a third-line escalation point for complex infrastructure and Active Directory incidents, driving cases through to resolution
 * Support both second-line incidents and requests when needed, with a structured troubleshooting approach
 * Administer and maintain on-premises Active Directory, including Group Policy, DNS, DHCP, replication, trusts, authentication, plus Windows PKI and privileged access with health checks and remediation
 * Deliver life cycle work: builds, patching/upgrades, vulnerability remediation, and addressing ageing/out-of-support platforms
 * Support modernisation and obsolescence projects, including moves towards newer Windows Server and RHEL/virtualisation/HCI-related platforms
 * Lead root cause analysis for recurring or high-impact faults across connected layers
 * Plan and deliver change/project work: testing, implementation, back-out planning and service transition
 * Maintain documentation and records within ITIL Incident, Problem, Change and Configuration Management processes
 * Contribute to out-of-hours support when required