About this role
Salary: £75,000 - 75,000 per year
Requirements: Commercial experience in an infrastructure or systems engineering rolePowerShell scripting for install automationHands-on experience with Microsoft Exchange messaging systemsProxmox environment management, including VM and template creationVMware vSphere administration, including VMs and virtual switchesWindows Server, Active Directory, DNS, DHCP, OUs and Group Policy experienceWSUS experience, ideally in airgapped environmentsExperience managing secure removable-media processesServer hardening and security baselining experience, ideally CIS-alignedSolid networking fundamentals across LAN/WAN, routers, switches and firewallsStrong communication and customer-facing skillsWillingness to travel as requiredDegree in a technology-related field is desirable, but not essential5 years experience in a high-tech environment, with telecoms experience a plusFull UK driving licenceWillingness to undergo Developed Vetting (DV) clearance, or existing security clearance already held Responsibilities: Field install and support the infrastructure hosting our core products, often within secure environmentsHarden and secure client PCs and servers in line with recognised government and industry security standardsAdminister Domain Controllers, including FSMO roles, high availability and replication monitoringRun patch management schedules across Windows Server and client estatesDeploy and maintain antivirus and SIEM toolingSupport customer hardware and software upgrades, as well as new infrastructure rolloutsDeliver training and knowledge transfer, one-to-one or in small groupsProvide remote support and join customer troubleshooting callsTake part in an on-call rotation to support 24x7 customer coverage Technologies: Active DirectoryCloudHardwareSupportKubernetesLANLinuxPowerShellSecurityVMwareWindowsConfluenceDevOpsNetworkNFS More:
We are a specialist technology company operating in the national security and communications intelligence sector, supporting government, law enforcement and telecoms clients around the world. This is a broad, hands-on infrastructure role with genuine scope to expand into Linux, Kubernetes and cloud as our environment evolves. You will be based onsite three days a week in Hampshire, commutable from Farnborough, Basingstoke, Guildford or Woking, with occasional travel to customer sites in the UK and internationally.
last updated 32 week of 2026