Full-time

Cyber Security Architect

Posted by Experis UK • , England, United Kingdom, England, United-Kingdom

📍 , England, United Kingdom, England 🕒 February 28, 2026

About the Role

CyberSecurity Architect (Contract) – M365 Security + Microsoft Defender

Contract CyberSecurity Architect required to design and lead security architecture across Microsoft 365 Security with strong hands-on experience in Microsoft Defender (endpoint, identity, email and cloud workloads).

What you’ll be doing:

  • Own security architecture for M365 workloads (Identity, Endpoint, Email, Collaboration)
  • Lead Defender strategy, deployment design, tuning and operational readiness
  • Define security controls, reference architectures, standards and guardrails
  • Partner with engineering + stakeholders to deliver secure-by-design outcomes
  • Produce HLD/LLD, risk assessments, and security design documentation

What we need:

  • Proven CyberSecurity Architect experience in enterprise environments
  • Strong Microsoft Defender experience (Defender for Endpoint is a mu...

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