SIEM Detection Engineer - (Havant/Reading/Hybrid) - Inside IR35 Day Rate - up to £700Duration - 6 monthsHarvey 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 telemetryDevelop custom parsers and data transformations to normalise and enrich ingested dataDesign and optimise KQL queries to support effective threat detection and investigationCreate and maintain analytic rules and detection logic aligned to emerging threats and business use casesDevelop Logic Apps and SOAR workflows to automate response and reduce manual effortImplement 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 deliveryPerform ongoing tuning and optimisation of detections to improve fidelity and reduce false ..... full job details .....