Job title: IAM Design SME (Zero Trust & Cloud Architecture)

Rate: -540 per day inside ir35

Location: Sheffield - 3 days per week
Contract: 6 months rolling

We''re looking for an experienced IAM Design SME to join a major transformation programme at a leading UK bank, delivering next-generation Identity and Access Management (IAM) capabilities.

This is a high-impact opportunity to take technical ownership of identity architecture, define secure cloud-native solutions and influence how identity services are designed, integrated and delivered across a complex global enterprise. You''ll act as a technical authority across the programme, translating complex security, business and regulatory requirements into robust, scalable and supportable designs.

You''ll be responsible for:

• Producing end-to-end High-Level and Low-Level Designs (HLDs/LLDs).
• Defining IAM architecture across Human, Agent and Workload Identity.
• Designing Zero Trust, authentication, authorisation and federation solutions.
• Developing cloud-native architectures across GCP, Kubernetes and service mesh environments.
• Defining secure API, service-to-service authentication and event-driven integration patterns.
• Designing Policy-as-Code, PKI, certificate lifecycle and secrets management solutions.
• Driving architecture governance, design assurance and technical decision-making across multiple workstreams.
• Working closely with architects, engineering teams and senior stakeholders to deliver production-ready solutions.

Expereince:

We''re looking for someone with strong enterprise-level design experience and a proven track record delivering complex IAM or security architecture.

Key experience includes:

• Enterprise Architecture and Identity & Access Management (IAM).
• Authentication, authorisation, federation and OIDC, OAuth2, SAML and SCIM.
• Zero Trust, Agent Identity and Workload Identity.
• GCP, Kubernetes, service mesh and cloud architecture.
• API security, event-driven architecture and Policy-as-Code (OPA/Cedar).
• PKI, certificates, secrets management and DevSecOps/CI/CD.
• High availability, resilience and security architecture.
• Architecture governance, stakeholder engagement and technical leadership.

If you''re an IAM design specialist who can bridge enterprise architecture, identity security and hands-on engineering design, please feel free to submit your CV