Information Technology Security Engineer

Quant Capital; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Quant Capital is seeking an IT Security Engineer to strengthen security across a large-scale Windows environment in London. This hands-on role sits close to engineering and IT operations, deploying and improving endpoint security controls, driving vulnerability remediation and supporting incident triage with PowerShell automation.

You will own vulnerability detection and remediation, improve endpoint protection across EDR, anti-malware, logging and disk encryption, and help shape security

Qualifications

• 5+ years in security or operations engineering with strong Windows experience.
• Experience deploying endpoint security tooling at scale.
• Practical incident triage, troubleshooting, log analysis and monitoring experience.
• Strong knowledge of Active Directory, Group Policy and Windows security controls.

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.

Skills

Active Directory

Group Policy

Windows security controls

Incident triage

Log analysis

PowerShell scripting

Security tooling deployment

Cross-functional communication

Job description

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.