Security Detection Engineering Lead (SIEM & Sentinel)

AJ Bell invites applications for a Lead role in Security Monitoring & Detection Engineering to own monitoring, detection and incident response. You will shape the technical direction, drive complex investigations, and coordinate with MSSP to reduce risk.

The role requires hands‑on expertise with Microsoft Sentinel, KQL, and cloud telemetry across Azure and AWS, plus strong automation and leadership in a hybrid work model based in the UK.

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