Principal Wintel Engineer

Job Description

Leonardo is looking for a 3rd Line Wintel Infrastructure Engineer to join our collaborative and skilled team supporting a critical MOD site. This is an exciting opportunity to serve as a Subject Matter Expert (SME) in Windows-based enterprise infrastructures. You’ll play a central role in the design, deployment, and support of high-security systems that underpin key defence and aerospace operations.

Your Impact

• Take ownership of complex technical issues through to resolution, collaborating with users and other IT teams.


• Provide expert-level troubleshooting for incidents escalated from 1st and 2nd line support, ensuring consistent and minimal disruption to services.


• Deploy and integrate secure Windows Server environments (Active Directory, Group Policy, DNS, DHCP) using industry best practices.


• Implement and maintain infrastructure security measures such as patching, access controls, a...