Security Engineer Detection Engineering & Automation

ION • London, England, United Kingdom • Posted June 24, 2026

Location London, England
Job Type Full-time
Category Computer Occupations
Posted June 24, 2026
The Role:We are seeking a Security Engineer specialising in Detection Engineering and Security Automation to design, build, and operate scalable detection and response capabilities across cloud and enterprise environments.This role focuses on engineering high-fidelity detections and automating response workflows across platforms such as Rapid7, SentinelOne, and CrowdStrike, using Azure Logic Apps and API-driven integrations to reduce manual effort and improve response speed.This is a hands-on engineering role for someone who thinks in attacker behaviours, builds resilient automation, and prefers engineering solutions over manual SOC processes.

Key Responsibilities

  • Detection Engineering
  • Design, implement, and continuously improve threat detections across endpoint, identity, vulnerability, and cloud telemetry.
  • Engineer detections using data from Rapid7, SentinelOne, and CrowdStrike, including behavioural, anomaly-based, and contextual detecti...
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