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Job DescriptioneSC/DV Cleared Infrastructure Engineer – On-Site (London) Contract until end of year | Strong likelihood of extension We are supporting a major UK government law-enforcement organisation in securing an experienced eSC/DV Cleared Infrastructure Engineer to join a specialist infrastructure team delivering and supporting mission-critical systems. This role is delivered via a leading international technology services provider working in partnership with a high-profile security agency. Due to the sensitive nature of the work, active eSC or DV clearance is required and the role is fully on-site in London.

The Role You will be responsible for supporting, maintaining, and enhancing secure enterprise infrastructure environments within a highly regulated government setting. The position requires strong operational infrastructure experience across networking, Windows, and Linux environments. You will work closely with engineering and security teams to ensure the reliability, performance, and security of core platforms supporting operations.

Key Responsibilities

Maintain and support secure enterprise infrastructure platforms Monitor infrastructure health and performance using enterprise monitoring tools Administer Windows Server environments (2012 – 2022) Manage Active Directory, including DNS and Group Policy Support Linux server environments Configure and support Cisco network infrastructure Administer Fortinet security appliances Build and maintain Windows 10/11 client images Investigate incidents, troubleshoot issues, and implement improvements Work within strict security and operational procedures

Required Technical Skills

SolarWinds monitoring and infrastructure visibility Cisco networking (CCNA level knowledge or equivalent experience) Fortinet administration Linux system administration Microsoft Windows Server 2012 – 2022 Active Directory DNS Group Policy (GPO) Windows 10/11 client image build and deployment

Security Requirements

Active eSC or DV clearance is essential Must be eligible to work in highly secure government environments Comfortable working fully on-site in London

Contract Details

Initial contract: Until the end of the year Extension: Very high likelihood of renewal Location: London (100% on-site) Start: ASAP subject to clearance verification

If you hold active eSC or DV clearance and are looking to support critical infrastructure within a high-impact government programme, we would like to hear from you.

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