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# Principle Windows Security Engineer

- **Company:** Quant Capital
- **Location:** Greater London, UK
- **Contract:** Permanent contract
- **Skills:** Active Directory, Cyber Security, Computer Programming, Public Key Infrastructure, Windows PowerShell, Windows Security
- **Published:** September 9, 2026
- **Apply:** https://www.collegerecruiter.com/job/2856358402-principle-windows-security-engineer

## About the Role

* Solid understanding of host-based controls: application control, firewalling, logging, encryption
 * Hands-on with endpoint protection, EDR, scanning and patching tools
 * Experience with OS hardening, privileged access concepts, identity and security best practice
 * Knowledge of common attack techniques and how to counter them
 * Good grasp of Active Directory/Entra ID and PKI
 * High level PowerShell programming skills
 * Clear communicator, reliable, collaborative, able to influence technical decisions

This role suits someone who wants real ownership, thrives under pressure, and enjoys solving complex security problems at scale.

## Description

* 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 global IT teams across a large distributed environment


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