IAM Security Architect in London

Job Description

Role Title: IAM Security Architect

Duration: contract to run until 26/02/2027

Location: London/Brighton/Staines. Hybrid working 3 days per week onsite

Rate: up to £644 p/d Umbrella inside IR35

Role purpose / summary

The Access Architect is responsible for defining, designing, and governing enterprise-wide and Access Management (IAM) solutions across Microsoft Azure, Microsoft Entra ID, Google Cloud Platform (GCP) and Saas Platform such as Salesforce, Oracle Health Insurance , and PeopleSoft

The role provides technical leadership for architecture, authentication, authorization, privileged access management, federation, secrets management, token lifecycle governance, and DevSecOps controls. The architect will establish secure, scalable, and compliant patterns for users, applications, workloads, APIs, automation platforms, and CI/CD pipelines while supporting a Zero Trust security model.

The successful candidate will serve as the subject matter expert for cloud , access governance, workload authentication, and token management across hybrid and multi-cloud environments for human and also agentic access requirements.

Key Responsibilities

Architecture & Strategy

• Define and maintain the enterprise IAM strategy and roadmap.
• Design secure architectures across Azure, Entra ID, GCP , SaaS platform
• Design User access management for human, Agentic applications and API's
• Develop governance standards, patterns, and reference architectures.
• Ensure alignment with Zero Trust principles and cloud security best practices.
• Lead the design of hybrid and cloud- authentication solutions.
• Provide architecture guidance for new applications, platforms, and services.

Authentication & Federation

Design and implement enterprise authentication and federation services including:

• Single Sign-On (SSO)
• Multi-Factor Authentication (MFA)
• Passwordless Authentication
• Federation Services
• Trust Relationships

Protocols and technologies:

• SAML 2.0
• OAuth 2.0
• OpenID Connect (OIDC)
• SCIM
• WS-Federation
• Kerberos
• LDAP

Responsibilities include:

• Federation between Microsoft Entra ID and GCP.
• Integration with SaaS and third-party providers.
• B2B and B2C solutions.
• Cross-cloud trust establishment.
• API authentication architecture.

Token Management & Governance

Act as the enterprise authority for token lifecycle management.

Token Types:

• OAuth Access Tokens
• Refresh Tokens
• ID Tokens
• JWT Tokens
• Service Account Tokens
• OIDC Tokens
• PAT (Personal Access Tokens)
• API Access Tokens

Responsibilities

• Define token issuance standards.
• Establish token lifespan and expiry policies.
• Design token validation mechanisms.
• Define token revocation processes.
• Implement token monitoring and auditing.
• Govern token signing and certificate management.
• Design secure token storage patterns.
• Prevent token leakage and abuse.
• Establish short-lived token standards across cloud platforms.

Security Principles

• Least privilege access
• Just-In-Time (JIT) authentication
• Zero Trust verification
• Secure token handling
• Continuous validation of

Secrets, Certificates & Key Management

Design and govern enterprise secret management capabilities.

Microsoft Azure

• Azure Key Vault
• Managed Identities
• Entra Workload Identities
• Service Principals
• Certificate Management

Google Cloud Platform

• Secret Manager
• Cloud KMS
• Customer Managed Encryption Keys (CMEK)
• Workload Federation
• Service Accounts

Responsibilities

• Credential lifecycle management.
• Automated secret rotation.
• Certificate lifecycle governance.
• Encryption key management.
• Elimination of hard-coded credentials.
• Secure storage and retrieval controls.
• Auditable access to sensitive credentials.
• Secrets management standards across cloud platforms.

Privileged Access Management (PAM)

Design and govern privileged access solutions including:

• Microsoft Entra Privileged Management (PIM)
• Just-In-Time Access
• Just Enough Administration (JEA)
• Google Cloud IAM Controls

Responsibilities include:

• Privileged role governance.
• Privileged access reviews.
• Break-glass account management.
• Segregation of duties controls.

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!