Job Title: Infrastructure andamp; Identity Access Management (IAM) Architect Location: London (Hybrid) Contract Type: Permanent Overview We are seeking a senior Infrastructure andamp; IAM Architect to lead the design, evolution, and governance of identity, access management, and supporting infrastructure within a global professional services environment. This is a strategic architecture role with deep hands-on influence, focused on enterprise-scale IAM, privileged access, authentication, and zero trust principles across hybrid and cloud platforms. You''ll work closely with Security, Platform Engineering, and Infrastructure teams to strengthen identity security, reduce risk, and improve user experience at global scale. The role suits an experienced IAM architect who enjoys setting standards, driving modern identity practices, and influencing senior stakeholders across a complex organisation. Key Responsibilities Identity andamp; Access Architecture Define and maintain enterprise IAM architecture, covering identity life cycle, access governance, and privileged access management. Design secure authentication and authorisation patterns using OpenID Connect, SAML, OAuth, Kerberos, and LDAP. Lead implementation of Conditional Access, risk-based authentication, and device/state-based access controls. Embed zero trust and least-privilege principles across all enterprise applications and privileged roles. Privileged Access andamp; Security Integration Architect and enhance