Principal Platform Engineer || Identity Platform (AuthN/AuthZ)
We are seeking a Principal Platform Engineer to lead the design, evolution, and operation of a secure, scalable identity platform covering authentication and authorisation (AuthN/AuthZ). You will shape the technical strategy for identity services used across a diverse portfolio of products, platforms, and internal systems. Working at principal level, you will provide architectural leadership, establish engineering standards, and guide teams towards reliable, consistent, and secure approaches to identity management.
Your responsibilities will include designing and delivering platform capabilities such as single sign-on, multi-factor authentication, identity federation, role- and attribute-based access control, service-to-service authentication, secrets management, and lifecycle automation. You will define patterns for integrating applications with identity services, improve developer experience through clear APIs and self-service tooling, and ensure solutions are observable, resilient, and compliant with relevant security and privacy requirements. You will also lead technical discovery, evaluate emerging technologies, contribute to roadmap planning, and support incident response and continuous improvement across the platform.
You will bring substantial experience engineering and operating identity platforms in complex, distributed environments, together with strong knowledge of modern authentication and authorisation standards such as OAuth 2.0, OpenID Connect, SAML, and SCIM. Experience with cloud platforms, Kubernetes, infrastructure as code, API security, cryptography fundamentals, and automated testing is highly desirable. You should be comfortable working across organisational boundaries, influencing senior stakeholders, mentoring engineers, and communicating complex technical topics clearly. We are looking for a pragmatic, collaborative leader who can balance long-term architecture with delivery, champion secure-by-design practices, and build platforms that are dependable, scalable, and easy for engineering teams to adopt.
Principal Platform Engineer || Identity Platform (AuthN/AuthZ)
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