Principal Security Engineer

Company: Lawrence Harvey

Location: London

Posted: May 15th, 2026

Salary: up to £125,000 (DOE) + bonus + benefits

This is a newly created role for a hands‑on security engineer that has a true builders mindset. We're looking for someone who enjoys solving complex problems through automation, improving security at scale and embedding security into modern engineering environments.

You'll be defining, building and scaling a Security Engineering and Operations function from scratch, lifting and shifting what doesn't work and identifying innovative ways to optimise workflows. This is particularly well suited for those who thrive in Detection Engineering and have experience in security automation, Google Cloud Platform infrastructure, DevSecOps, log ingestion, detection engineering, and securing AI‑driven applications within modern cloud environments.

Key Responsibilities

What You'll Need

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