SIEM Engineer (SC Cleared Contractor)

Rate: Up to £700/day Insire IR35
Clearance: Active SC Clearance (Essential) 
Location: Hybrid, Hampshire
Contract: Initial 6 Months with potential extension 


Specialist SIEM Engineer needed to develop, optimise and automate SSE's Microsoft Sentinel platform, supporting security monitoring, detection engineering and Project Amur/ECAF compliance.


Scope
  • Onboard and integrate log sources into Sentinel; build custom parsers and data transformations
  • Design and optimise KQL queries; build and tune analytic rules and detection logic
  • Develop Logic Apps/SOAR workflows to automate response
  • Implement CI/CD pipelines (Azure DevOps/Git) for SIEM content deployment
  • Automate deployment/config across environments; tune detections to reduce false positives

Key Skills
  • Active SC Clearance (Essential)
  • Strong Microsoft Sentinel engineering, administration and optimisation experience
  • Log source onboarding, custom parsers and data normalisation
  • Advanced KQL development and optimisation
  • Analytic rule/detection logic design and tuning
  • Logic Apps, Playbooks and SOAR automation
  • Azure DevOps/Git CI/CD pipeline implementation
  • Strong grounding in security monitoring, incident response and threat hunting
  • Strong troubleshooting and root cause analysis skills

Desirable
  • SANS SEC503 – Network Monitoring and Threat Detection
Candidates must hold active, valid SC Clearance.