5 of 5 Principal Security Engineer Jobs in London

Principal Security Engineer in the Appstar organization, you lead application security reviews across complex systems, identify and advise on critical security risks, and mentor the broader security engineering team. You own security outcomes that reduce persistent risks and proactively shape organization-level security posture.You are responsible for establishing and maintaining the enterprise-wide application security review methodology — including threat modelling philosophy, security testing standards, and remediation validation. You design security patterns and standards that serve as the foundation for secure development across all engineering organizations, with a focus ...

Type:PermanentBuild a brilliant future with HiscoxPosition: Principal Platform Security Engineer, London MarketAs a senior and influential member of the London Platform Engineering Chapter, the Principal Platform Security Engineer will set direction and lead by example in maturing our platform security practices. … engineering standards through automation, reliable design, and pragmatic governance, helping to deliver smarter, more cost-effective, and faster solutions that are reusable across squads.With security embedded across all squads, you will provide visible leadership to strengthen our platform security posture. You will influence priorities, drive the change needed ...

Principal IT Security Engineer – Windows, Automation, Endpoint SecurityIndustry leading compensation London – HybridQuant 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 ...

DescriptionDue to growth within our security engineering department we are now looking for a Principal Information Security Engineer to join the team. The role will support the Senior Information Security Engineering Manager by providing technical leadership and oversight across the Information Security Engineering team.This … role is responsible for the day-to-day technical execution by our security engineering team, ensuring that project engagements are delivered to a high standard and support activities are dealt with in line with organisational SLAs.You will act as the team’s primary technical lead and escalation point, driving ...

Principal Security & Systems Engineer – Windows, Automation, Endpoint SecurityLondon – HybridIndustry Leading CompensationQuant Capital is partnered with a leading trading firm looking to hire a Senior IT Security Engineer to strengthen its global security posture. This sits within a high-performing engineering group and suits someone … take ownership, make clear technical decisions and build security controls that scale.You will work across Windows engineering, endpoint security, automation, vulnerability management and platform hardening. The role mixes hands-on engineering with advisory responsibility and proactive threat mitigation. The environment is fast moving and technically demanding ...