HiredNow AI
wk

Principal Engineer, Identity and Access Management

  • London

Found by HiredNow AI on 8 Oct 2026. Subscribers saw it first.

About the role

Lead the design and engineering of a cloud-agnostic Identity and Authorization Platform that secures users, services, APIs, AI agents, and data across a multi-tenant SaaS platform. Unlike traditional IAM roles, this position focuses heavily on authorization architecture. Responsibilities Lead architecture and implementation of: Authentication Authorization Identity federation Fine-grained access control Own architecture for: RBAC ReBAC ABAC ACL Policy engines Relationship graphs Design authorization for: Web applications Mobile APIs Microservices AI Gateway Agent runtime MCP tools Knowledge Graph Vector stores Design authorization decision architecture: PEP ↓ PDP ↓ Policy Store ↓ Relationship Store↓ Decision Lead adoption of: OpenFGA / SpiceDB Cedar Open Policy Agent (OPA) Zanzibar concepts Work with platform teams on: API Gateway AI Gateway Kubernetes Service Mesh mTLS Essential experience 10+ years engineering 5+ years security platform experience Demonstrable experience building authorization engines using: RBAC ReBAC ABAC ACL Experience designing authorization for: Multi-tenant SaaS Microservices APIs Experience with: OAuth2 OpenID Connect JWT SAML Strong distributed systems experience Nice to have Google Zanzibar OpenFGA SpiceDB OPA Cedar Envoy Istio SPIFFE/SPIRE Our Interview Practices To maintain a fair and genuine hiring process, we kindly ask that all candidates participate in interviews without the assistance of AI tools or external prompts. Our interview process is designed to assess your individual skills, experiences, and communication style. We value authenticity and want to ensure we’re getting to know you—not a digital assistant. To help maintain this integrity, we ask to remove virtual backgrounds and include in-person interviews in our hiring process. Please note that use of AI-generated responses or third-party support during interviews will be grounds for disqualification from the recruitment process. Applicants may be required to appear onsite at a Wolters Kluwer office as part of the recruitment process.

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