via Reed · 8 September 2026 ·11 days ago

SIEM Engineer (SC Cleared)

Lorien

Reading Contract

This listing is from Reed

Job Title: SIEM Engineer (SC Cleared)
Location: Reading/Havant
Duration:6 months

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

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

This listing is from Reed. View original listing ↗

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