Cyber Security Engineer: Entra ID, Defender XDR & Zero Trust

Company: Specialist-Risk-Group
Apply for the Cyber Security Engineer: Entra ID, Defender XDR & Zero Trust
Location: London
Job Description:

Specialist Risk Group (SRG) is seeking a Lead Infrastructure Security Engineer to design, implement and continuously improve security controls across SRG’s Microsoft technology estate. This role emphasizes security engineering, automation and governance with a focus on scalability and resilience.

You’ll work across Entra ID, Defender, Sentinel and Purview, drive Zero Trust initiatives and help onboard newly acquired businesses while delivering practical, robust security solutions.

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Posted: October 3rd, 2026