Senior Security Architect

Senior Security Architect (Azure & SIEM)

Location: Remote (occasional travel to London)
Contract Duration: 12 Months
IR35 Status: Outside IR35
Day Rate: Up to £750

We’re seeking a highly experienced Senior Security Architect with deep expertise in Microsoft Azure and SIEM technologies to join a leading organisation on a 12-month contract. This is a remote-first role with occasional travel to London for key meetings.

Key Responsibilities:

• Design and implement secure cloud architectures within Microsoft Azure
• Lead the integration and optimisation of SIEM solutions, particularly Microsoft Sentinel
• Conduct threat modelling, risk assessments, and security architecture reviews
• Collaborate with engineering, DevOps, and compliance teams to embed security best practices
• Define and enforce security standards across Azure IaaS, PaaS, and SaaS environments

Essential Skills & Experience:

• Strong background in Azure security architecture
• Hands-on experience with Microsoft Sentinel or other enterprise SIEM platforms
• Deep understanding of Azure security services (e.g. Defender for Cloud, Key Vault, Azure AD)
• Familiarity with Microsoft security frameworks and compliance standards
• Experience with secure cloud migration and hybrid environments
• Relevant certifications (e.g. AZ-500, SC-100, CISSP)

This is a fantastic opportunity to shape cloud and SIEM security strategy in a complex, enterprise-scale environment while enjoying the flexibility of remote working.

Apply now to be considered.