Senior Cloud Security Engineer: Azure & SIEM Lead

  • FlagStone
  • 19/07/2026
Full time Information Technology Telecommunications

Job Description

Flagstone is seeking a senior security engineer to own cloud security, detection tooling, and incident response within our Azure environment. You'll operate Sentinel, Defender for Cloud, and drive secure development practices across our delivery pipelines.

You'll lead penetration test coordination, contribute to detection-as-code, and work with engineering squads to prioritise remediation. This is a contract role based in the UK, with visible impact across the business.