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🥝 Senior Security Engineer - Cloud, Detection & IR (Remote)

Flagstone | london, United-Kingdom | Posted May 31, 2026

Job Description

Flagstone in Greater London is looking for a Senior Security Engineer to enhance their cloud security operations. The ideal candidate will maintain Microsoft Sentinel, operate Defender XDR, and contribute to security tooling with infrastructure-as-code practices. Strong experience in Azure security and penetration testing coordination is essential. The position offers numerous benefits including a competitive bonus scheme, flexible working options, and a personal development budget.
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