Detection Engineer: Master Microsoft Sentinel & Defender XDR

Aviva is seeking a Cyber Security Detection Engineer in Bristol. You’ll design, build and tune detections in Microsoft Sentinel and Defender XDR to improve visibility, coverage and response to threats.

You’ll work closely with SOC, Threat Hunting and Incident Response, turning data into actionable protection while focusing on telemetry quality and scalable detection workflows. Remote/hybrid options available in a flexible security team.

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