Solution Designer

The Role: Solution Designer

Location: Sheffield, UK

Position Type: Contract Inside IR35

Remote work option Available: 2-3 Days Onsite in a week

Job Description:

In this role, you will:

• Produce High Level Designs (HLDs) and Low Level Designs (LLDs) for identity capabilities.
• Define end-to-end Technical Solutions across business, application, data and infrastructure domains.
• Translate business, security and regulatory requirements into technical solutions.
• Develop reference architectures, patterns and design standards for the programme.
• Define integration patterns between identity platforms, applications and infrastructure.
• Design cloud-native solutions for GCP and Kubernetes environments.
• Define authentication, authorisation and federation architectures.
• Design Agent Identity, Human Identity and Workload Identity capabilities.
• Define Zero Trust security architecture and trust boundaries.
• Design API security, service-to-service authentication and workload authentication patterns.
• Develop event-driven integration architectures using messaging and asynchronous processing.
• Design Policy Decision Point (PDP) and Policy Enforcement Point (PEP) architectures using Policy-as-Code.
• Define secrets management, certificate lifecycle and PKI integration patterns.
• Design resilience, disaster recovery and high availability architectures.
• Ensure solutions meet non-functional requirements for security, scalability, resilience and performance.
• Produce architecture decision records (ADRs) and design documentation.
• Support governance through Architecture Review Boards and Design Authorities.
• Perform solution assurance and technical design reviews across supplier deliveries.
• Identify technical risks, assumptions, constraints and dependencies.
• Collaborate with Enterprise Architecture to ensure alignment with strategic architecture.
• Work with Product Owners to refine technical requirements and delivery priorities.
• Support engineering teams throughout implementation, testing and production readiness.
• Mentor engineers and promote engineering best practice.
• Evaluate new technologies and vendor products against programme requirements.
• Contribute to roadmap planning and future-state architecture.

Key Skills & Experience

Essential Skills

• Enterprise Architecture
• Identity and Access Management (IAM)
• Authentication and Authorisation
• Zero Trust Architecture
• Agent Identity and Workload Identity
• Identity Federation (OIDC, OAuth2, SAML, SCIM)
• Cloud Architecture (GCP)
• Kubernetes and Service Mesh
• API Architecture and Security
• Event-driven Architecture
• Policy-as-Code (OPA/Cedar)
• PKI, Certificates and Secrets Management
• DevSecOps and CI/CD
• High Availability and Resilience Design
• Security Architecture
• Architecture Governance
• Stakeholder Management
• Technical Leadership