SOC Engineer in Leicester

Salary: £80,000 - £100,000 Location: Coventry (Hybrid) We're looking for a Senior SOC L3 Detection Engineer to strengthen an enterprise security operation, with a strong focus on detection engineering, SIEM and threat detection. What you'll be doing Design, build and optimise advanced SIEM detection rules and correlation logic Translate threat intelligence, TTPs and IOCs into effective detections Tune alerts and significantly 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/agentic security use cases What we're looking for Strong hands-on Detection Engineering / 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 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 within automotive or manufacturing is advantageous but not required. If you're a hands-on L3 security engineer who enjoys building better detections rather than simply responding to alerts, we'd like to hear from you.
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