Job Description

Lead SIEM Engineer
Hybrid – Hemel Hempstead (1–2 days per week on-site)
Security Clearance: Eligible & willing to obtain DV
 
This role is for SIEM specialists
A great opportunity for a  Lead SOC SIEM Engineer to take ownership of detection engineering within a large, rapidly scaling SOC that protects some of the UK’s most sensitive defence and national security environments.
 
The SIEM Engineer will sit at the intersection of threat intelligence, telemetry, and detection logic, shaping how threats are identified, prioritised, and acted upon across multiple high-security clients. If you’re passionate about SIEM content quality, signal over noise, and building detections that actually work, this role gives you real authority to do that
 
The focus of the Lead SIEM Engineer role will be:

Owning the SIEM content lifecycle  from concept and design through build, tuning, and continuous optimisation
Engineering high-fidelity detections, dashboards, a...

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