83zero
SOC Engineer
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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
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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
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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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