Detection Engineer

SIEM Detection Engineer | Cyber Security (SIEM) Farnborough (Hybrid – 2 days onsite) Up to £65,000 + Benefits SC Clearance (or eligible)   Build and tune the SIEM detections that stop real-world threats. We’re working with a leading cyber security organisation supporting defence environments, looking for a SIEM Detection Engineer to develop and optimise SIEM detection capability across enterprise systems. You’ll be hands-on designing SIEM detection logic, mapping attacker behaviour to MITRE ATT&CK, and improving alert quality within a mature SOC environment.   Key responsibilities: Build and tune SIEM detections (Splunk / Sentinel) Map threats using MITRE ATT&CK Reduce false positives through optimisation Support SOC and engineering teams Improve detection maturity  What you’ll need: Splunk (SPL) and/or Microsoft Sentinel (KQL) Detection engineering / SOC engineering experience Understanding of attacker TTPs Scripting (Python / PowerShell) SC eligible or cleared  Strong SIEM  technical role with real impact in a defence-focused environment