IAM Design SME (Zero Trust & Cloud Architecture)

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

Rate: 540 per day

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.