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Lead SIEM Engineer

United Kingdom, Hemel Hempstead 70000.00 - 75000.00 GBP / Year · Job Posted December 08, 2025
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Job Description

Lead SOC SIEM Engineer. Senior SOC SIEM Content Engineer to join and large expanding SOC team supporting some of the most high-profile defence clients out there. The Senior SIEM Engineer will play a key role in the business building and tuning SIEM content, covering rules, dashboards and reports.

Job Responsibility

  • Building, tuning and looking after SIEM content such as rules, dashboards, and reports, making sure threats don’t get missed
  • Keeping an eye on the data, spotting issues early and helping us respond quickly
  • Working side by side with Analysts, Architects, PMs and Engineers to make sure the SIEM content hits the mark
  • Bringing the latest threat intel, vulnerabilities and attack methods into our set-up
  • Helping to shape and maintain security standards and procedures

Requirements

  • Solid hands-on experience with SIEM tools like Splunk, Sentinel or QRadar
  • A good grip on security best practices and standards (ISO 27001/27002, PCI DSS)
  • Familiarity with frameworks such as NIST, ISO and CIS
  • Comfortable scripting in Python, PowerShell and regex
  • The ability to work across multiple projects and still keep the detail sharp
  • Willing and able to get DV clearance

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