Senior DV Cleared Infrastructure Engineer (Wintel)Location: London (Full-time, 100% onsite) Salary: 75,000 - 81,000 + Bonus Security Clearance: Active DV clearance requiredOverviewWe are looking for a Senior Infrastructure Engineer with active DV clearance to join a high-security environment in London. This is a hands-on role focused on Wintel and core infrastructure services, supporting and maintaining critical systems in a fully onsite setting.You''ll be working as part of an experienced infrastructure team, taking ownership of enterprise-scale environments and contributing to the stability, security, and improvement of key platforms.Key ResponsibilitiesDesign, build, support, and maintain Windows-based infrastructureAdminister and support Active Directory, including GPOs, DNS, DHCP, and user/device managementManage and support VMware virtualised environmentsTroubleshoot and resolve complex infrastructure issues across servers and core servicesApply security best practices within a highly regulated environmentParticipate in system upgrades, patching, and lifecycle managementProduce and maintain technical documentationWork closely with other infrastructure, network, and security teamsEssential Skills and ExperienceActive DV clearance (must be current)Strong experience in Wintel infrastructure engineeringIn-depth knowledge of:Windows Server (2016/2019/2022)Active Directory, Group Policy, DNS, DHCPVMware vSphere / ESXiSolid general infrastructure troubleshooting skillsExperien