SIEM Detection Engineer

SIEM Detection Engineer - (Havant/Reading/Hybrid) - Inside IR35

Day Rate - up to £700

Duration - 6 months

Harvey Nash's Client have a requirement for a SIEM Engineer, you must be SC Cleared to commence this post. You will support the team in:

• Lead onboarding and integration of log sources into Microsoft Sentinel to ensure complete and reliable security telemetry
• Develop custom parsers and data transformations to normalise and enrich ingested data
• Design and optimise KQL queries to support effective threat detection and investigation
• Create and maintain analytic rules and detection logic aligned to emerging threats and business use cases
• Develop Logic Apps and SOAR workflows to automate response and reduce manual effort
• Implement CI/CD pipelines (Azure DevOps/Git) to support controlled deployment of SIEM content (rules, parsers, playbooks)
• Automate deployment and configuration across environments to improve consistency and speed of delivery
• Perform ongoing tuning and optimisation of detections to improve fidelity and reduce false positives