Senior Security Engineer/Architect – Perm – Up to £110,000 + benefits

Must already hold or be eligible for SC level security clearance

Remote first or Hybrid – London based office

Overview

An established organisation is seeking a Senior Security Engineer to help shape and enhance the security posture of the environments it supports. This role operates at the intersection of deep technical expertise, advisory ownership, and real-world security impact.

The successful candidate will work closely with customers, engineers, and operational security teams to deliver meaningful improvements across identity, detection engineering, endpoint security, and cloud security posture. This is a hands‑on role involving the design and implementation of modern security architectures, solving complex technical challenges, and acting as a trusted technical partner.

Technology Environment

Microsoft Security Stack:

• Microsoft Sen...