https://jobs.co.uk/job/siem-engineer-lorien--55784a3f-3d72-4264-8b7d-aac2dbf5c6a5 RSS feed for SIEM Engineer at Lorien. en-gb Sat, 18 Jul 2026 15:51:19 GMT https://jobs.co.uk/job/siem-engineer-lorien--55784a3f-3d72-4264-8b7d-aac2dbf5c6a5 https://jobs.co.uk/job/siem-engineer-lorien--55784a3f-3d72-4264-8b7d-aac2dbf5c6a5 Sat, 18 Jul 2026 11:51:40 GMT Location: Reading | Salary: 650.00-650.00 Daily | Type: Contract | Job Title: SIEM Engineer (SC Cleared)Location: Reading/HavantDuration:6 monthsDescription: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 positivesGuidant, Carbon60, Lorien and SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. Contract