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Security Architect - Entra ID/MS/Azure

London, England, United Kingdom💼 Full-time🗓 2026-09-02 → 2026-09-25

Core

Define and assure security architecture across identity, endpoints, Microsoft 365, applications, infrastructure, networks, and migration activities for a major public-sector technology transformation programme.

Role type

Senior Security Architect (Microsoft Cloud & Hybrid)

Builds

Secure coexistence and target-state designs for identity, data, and network services within a large-scale transformation programme.

Domain

Public Sector / Microsoft Cloud Security

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure

Required skills

Security architecture design, Microsoft Entra ID, Microsoft 365 security, Azure security, endpoint security, network security, application security, Zero Trust principles, risk assessment, threat modeling, migration security strategy, privileged access management, conditional access, security logging and monitoring, incident response planning, regulatory compliance alignment.

Preferred skills

Experience with legacy environment transitions, pragmatic risk-based decision making, stakeholder management for security exceptions.

Technologies

Microsoft Entra ID, Microsoft 365, Azure, Zero Trust frameworks, HLDs, control matrices, threat models, architecture decision records.

Responsibilities

Establish security principles and control requirements; assess threats and risks across current and future states; define Zero Trust patterns for identity and access; review technical designs for security gaps; support security testing and assurance before migrations; maintain security architecture documentation; provide risk-based advice to leadership.

Seniority

Senior, hands-on IC with strategic oversight

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