Solution Architect - Azure ADB2C - CIAM

SR2; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

SR2 is seeking an experienced Solution Architect to lead end-to-end CIAM architecture for a major identity programme. The role focuses on Azure AD B2C / Entra External ID, authentication, federation and privacy capabilities within a complex, multi-supplier environment.

You will define journeys, design integrations, and produce architectural artefacts while coordinating senior stakeholders and delivery teams to ensure alignment across platforms.

Qualifications

• Experience as Solution Architect in large-scale CIAM programmes.
• Azure AD B2C / Entra External ID expertise.
• Privacy-by-design and GDPR knowledge.
• Experience in multi-vendor environments and supplier coordination.

Responsibilities

• Define and maintain end-to-end solution architecture across CIAM, consent and preference management.
• Design customer identity journeys using Azure AD B2C / Entra External ID.
• Coordinate suppliers, delivery teams and senior stakeholders to maintain architectural alignment.
• Produce solution architecture artefacts, design options, decisions and roadmaps.

Skills

CIAM architecture

Azure AD B2C

Microsoft Entra External ID

OAuth 2.0

OpenID Connect

SAML

Senior stakeholder management

Supplier management

Architectural design

Job description

Solution Architect - Azure ADB2C - CIAM

SR2 are seeking an experienced Solution Architect to support a major customer identity, consent and preference management programme. The role will focus on defining the end-to-end architecture across CIAM, Azure AD B2C / Entra External ID, authentication, federation and customer privacy capabilities. You will operate within a complex multi-supplier environment, so strong senior stakeholder engagement, supplier management and the ability to influence identity and platform design decisions will be essential.

Responsibilities

• Define and maintain the end-to-end solution architecture across CIAM, consent and preference management capabilities.
• Design customer identity solutions using Azure AD B2C and Microsoft Entra External ID.
• Define authentication, federation, registration, login and account recovery journeys.
• Translate business, customer and regulatory requirements into scalable identity architecture.
• Design integrations between identity services, customer platforms and third-party systems.
• Define consent capture, preference management and customer data-sharing solution patterns.
• Produce solution architecture artefacts, design options, technical decisions and roadmaps.
• Coordinate suppliers, delivery teams and senior stakeholders to maintain architectural alignment.

Required Experience

• Proven experience working as a Solution Architect across large-scale customer identity programmes.
• Strong experience with Azure AD B2C and/or Microsoft Entra External ID.
• Deep understanding of CIAM architecture and customer identity lifecycle management.
• Strong knowledge of authentication and federation standards, including OAuth 2.0, OpenID Connect and SAML.
• Experience designing consent and preference management solutions.
• Strong understanding of privacy-by-design, GDPR and customer data requirements.
• Experience integrating identity platforms with enterprise and customer-facing applications.
• Strong senior stakeholder and supplier management experience within complex multi-vendor environments