Infrastructure Engineer - DV Cleared

We are seeking a DV-cleared Infrastructure Engineer to support the design, build, integration, and maintenance of secure on-premise IT infrastructure within a Defence and National Security environment.

This is a hands-on contract role, working within highly secure systems and to hardened build standards, supporting mission-critical platforms and services.

• Design, build, integrate, test, and maintain secure on-premise IT infrastructure solutions.

• Specify, deploy, and support Windows Server and Desktop environments, including repeatable operating system builds using Microsoft Deployment Toolkit (MDT) or equivalent tools.

• Implement hardware platforms and operating systems in line with hardened security build standards.

• Deliver Windows Server OS and Active Directory domain upgrades and migrations.

• Define, deploy, manage, and troubleshoot Microsoft Active Directory Group Policy.

• Implement, configure, and upgrade SAN storage solutions, including version migrations.

• Deploy and manage VMware virtualisation infrastructure.

• Integrate infrastructure with enterprise services such as:

  • Monitoring and alerting tools

  • Patch and update management platforms

  • Anti-virus and endpoint security solutions

• Conduct vulnerability and compliance activities using recognised scanning tools.

• Design, build, and deploy Public Key Infrastructure (PKI) solutions.

• Produce and maintain High-Level Design (HLD) and Low-Level Design (LLD) documentation and detailed build guides.

• Strong hands-on experience delivering infrastructure solutions in secure Defence or National Security environments.

• Proven experience working with:

  • Windows Server & Desktop

  • Microsoft Active Directory & Group Policy

  • VMware virtualisation

  • SAN storage technologies

• Experience implementing and operating systems to hardened build and security standards.

• Familiarity with vulnerability assessment and compliance scanning tools.

• Experience designing and deploying PKI infrastructure.

• Ability to produce clear, structured technical documentation.

• Active UKSV DV clearance (mandatory).

• Role is based in Hemel Hempstead; on-site attendance will be required in line with security constraints.

• Due to the nature of the work, only candidates with live DV clearance can be considered.