Microsoft Sentinel SIEM Content & Platform Engineer

Company: Harvey Nash Group
Apply for the Microsoft Sentinel SIEM Content & Platform Engineer
Location: London
Job Description:

Harvey Nash Group seeks a SIEM Content & Platform Engineer for a London-based contract role (Remote/Hybrid). The position focuses on security monitoring, detection engineering, platform optimisation, automation and enhancing enterprise cyber resilience.

The candidate will demonstrate hands-on experience with Microsoft Sentinel and Defender XDR in large enterprises, and will develop and tune analytics rules, threat hunting queries, and detection content aligned to MITRE ATT&CK.

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Posted: October 21st, 2026