Principal Detection Engineer (Cybersecurity)

Location: United Kingdom - Remote

Company

Cybersecurity company providing an AI-native platform for detecting and preventing breaches across large-scale distributed systems.

What you will do

• Own the cross-domain detection strategy across endpoint, cloud, NG-SIEM, identity, SaaS security, and FEM.
• Design high-fidelity correlation detections using entity resolution, temporal reasoning, behavioral layering, and Platform IOAs.
• Translate internal and external threat intelligence into detection priorities and multi-domain coverage.
• Coordinate detection development across teams so cross-domain scenarios receive consistent coverage.
• Apply AI and large language models to gap analysis, threat-intelligence triage, and correlation-logic prototyping.
• Coach detection engineers, set technical standards, and influence telemetry and platform direction.

Requirements

• Extensive experience writing production detection content across multiple platforms or data domains.
• Experience designing or contributing to detections that correlate signals across endpoint, cloud, identity, SaaS, network, or runtime environments.
• Strong knowledge of threat actors, campaigns, TTPs, detection content lifecycles, telemetry limitations, false-positive drift, and detection performance.
• Strong communication, cross-team influence, technical leadership, and experience mentoring or reviewing detection engineers.
• Proven experience using AI technologies to improve decision-making, workflows, efficiency, and business outcomes.

Nice to have

• Experience applying AI or LLMs to detection or security operations workflows.
• EDR or SIEM vendor-side product experience and MITRE ATT&CK fluency.
• Published security research, malware analysis, or reverse engineering experience.
• Experience quantifying detection efficacy, including precision, recall, and bypass resistance.

Culture & Benefits

• Full-time employment with compensation and equity awards.
• Physical and mental wellness programs.
• Competitive vacation, holidays, and paid parental and adoption leave.
• Professional development opportunities for all employees.
• Employee networks, geographic neighborhood groups, and volunteer opportunities.
• Equal employment opportunity and support for veterans and individuals with disabilities.