Senior Cyber Security Engineer - Detection Engineering
North London, London, United Kingdom
RiverSafe Ltd
Key Responsibilities Design, develop and deploy detection logic across SIEM, EDR and cloud security platforms. Build detections aligned with frameworks such as MITRE ATT&CK and continuously tune for accuracy and performance. Conduct threat modelling and participate in purple team exercises to assess and improve detection effectiveness. Use Detection-as-Code principles to manage detection rules via version control, CI/CD pipelines and automated testing frameworks. Reduce false positives through tuning, enrichment and contextual awareness. Skills Expertise in detection engineering, threat hunting, or a related Cyber Security field. Proficiency in Sentinel, KQL, XDR and Splunk is required. Experience with SIEM platforms (e.g. Splunk, Sentinel, Elastic), EDR tools (e.g. CrowdStrike, SentinelOne), and …/or cloud-native security services (e.g. AWS GuardDuty, GCP Chronicle). Ability to create and iterate on detection content (e.g. SIEM rules, correlation searches and detection-as-code signatures) to proactively identify malicious behaviour and improve threat visibility and reduce false positives Familiarity with MITRE ATT&CK framework and threat detection lifecycle. More ❯
Employment Type: Contract
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