Job Description
Senior DV Cleared Infrastructure Engineer (Wintel)
Location: London (Full-time, 100% onsite)
Salary: £75,000 - £81,000 + Bonus
Security Clearance: Active DV clearance required
We 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 infrastructure
Administer and support Active Directory, including GPOs, DNS, DHCP, and user/device management
Manage and support VMware virtualised environments
Troubleshoot and resolve complex infrastructure issues across Servers and core services
Apply security best practices within a highly regulated environment
Participate in system upgrades, patching, and life cycle management
Produce and maintain technical documentation
Work closely with other infrastructure, network, and security teams
Essential Skills & Experience
Active DV clearance (must be current)
Strong experience in Wintel infrastructure engineering
In-depth knowledge of:
Windows Server (2016/2019/2022)
Active Directory, Group Policy, DNS, DHCP
VMware vSphere/ESXi
Solid general infrastructure troubleshooting skills
Experience working in secure, enterprise or government environments
Comfortable working full time onsite in London
Desirable Skills
PowerShell Scripting
Backup and recovery solutions
Monitoring tools (eg SCOM or similar)
Exposure to security-focused or air-gapped environments
What's on Offer
Competitive salary £75k - £81k
Annual bonus
Opportunity to work on highly sensitive, mission-critical systems
Stable, long-term role in a secure environment
