1 of 1 Principal Security Engineer Jobs in the City of London

Principle IT Security Engineer – Windows, Automation, Endpoint Security London – Hybrid Industry Leading Compensation Quant Capital is partnered with a leading trading firm looking to hire an IT Security Engineer to strengthen their global security posture. This role sits inside a high-performing engineering group and suits someone who can own technical decisions, cut through … noise, and build security controls that scale. You’ll work across Windows engineering, endpoint security, automation, vulnerability management and platform hardening. Expect a mix of hands-on engineering, advisory work, and proactive threat mitigation. The environment is fast-moving and technically demanding — you’ll be the person the wider IT team turns to for sound judgement and clarity. … What you’ll be doing Designing and implementing security controls across Windows platforms Driving vulnerability management initiatives and closing out remediation at scale Building automation around configuration, monitoring, and incident response Improving endpoint security: EDR, AV, patching, OS hardening Working with core infrastructure (AD/Entra ID, PKI, networking) Investigating emerging threats and advising on technical risk Supporting More ❯