Information Technology Security Engineer

IT Security Engineer London Quant Capital is working with a leading quantitative trading firm looking for an IT Security Engineer to strengthen security across a large-scale Windows environment. This is a hands-on role sitting close to engineering and IT operations. You will deploy and improve endpoint security controls, drive vulnerability remediation, support incident triage and automate repeatable security work with PowerShell.

Responsibilities

• Deploy, document and support Windows security controls at scale.
• Own key parts of vulnerability detection, prioritisation and remediation.
• Support security incidents and production issues alongside IT Operations and engineering teams.
• Improve endpoint protection across EDR, anti-malware, application control, logging, host firewalls and disk encryption.
• Build PowerShell automation to make security workflows more scalable and repeatable.
• Help shape operational playbooks, procedures and technical security standards.

Qualifications

• 5+ years in security or operations engineering with strong Windows experience.

Required Skills

• Strong knowledge of Active Directory, Group Policy and Windows security controls.
• Good understanding of common Windows attack paths and the controls used to mitigate them.
• Practical incident triage, troubleshooting, log analysis and monitoring experience.
• Experience deploying endpoint security tooling at scale.
• Comfortable scripting and automating security tasks in PowerShell.
• Clear communicator who works well across security, engineering and operations.

Preferred Skills

• Working in a code-driven engineering environment.

A strong fit for someone who enjoys being close to the systems, can work through messy security problem and is comfortable taking ownership in a fast-moving technical environment.

All applications are handled in strict confidence.