Ofertas › 83zero Ltd
83zero Ltd · Coventry, United Kingdom · £80,000 - 100,000 per year
Salary: £80,000 - 100,000 per year Requirements: Strong hands-on detection engineering or SIEM engineering experience Proven experience writing and tuning detection logic Strong understanding of MITRE ATT&CK, attacker TTPs, and the cyber kill chain Experience reducing false positives and improving alert fidelity Excellent critical-thinking and problem-solving skills Experience with Microsoft Sentinel, CrowdStrike NG SIEM, or similar tools Knowledge of SOAR, automation, log pipelines, and API integrations Strong communication skills and the ability to explain complex security concepts clearly AI experience is beneficial but not essential; strong detection engineering is the priority Experience in automotive or manufacturing is advantageous but not required Responsibilities: Design, build, and optimise advanced SIEM detection rules and correlation logic Translate threat intelligence, TTPs, and IOCs into effective detections Tune alerts and reduce false positives Onboard, parse, and normalise security logs across enterprise environments Support complex incident investigations and threat hunting Develop SOAR playbooks, automation, and security integrations Improve detection coverage, SOC efficiency, and security monitoring capabilities Work across SIEM, EDR/XDR, IAM, cloud, and wider security tooling Help develop emerging AI and agentic security use cases Technologies: AI API Cloud IAM Support Security More: Were hiring a Senior SOC L3 Detection Engineer to strengthen an enterprise security operation, with a focus on detection engineering, SIEM, and threat detection. The role is based in Coventry and offers hybrid working, with a salary of £80,000–£100,000. Were looking for a hands-on L3 security engineer who enjoys building better detections rather than simply responding to alerts, and wed like to hear from you. last updated 42 week of 2026