Solution Designer

Vallum Associates; Sheffield; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Vallum Associates seeks a Solution Designer in Sheffield, UK. This contract role sits Inside IR35 with a remote option of 2-3 days onsite weekly. You will craft HLDs/LLDs for IAM, define end-to-end tech solutions across domains, and translate security/regulatory needs into designs.

Collaborate with EA to align with strategic architecture. The role emphasizes Zero Trust, cloud-native architectures on GCP, Kubernetes, API security, and event-driven patterns.

Qualifications

• Proven experience designing IAM and Zero Trust architectures.
• Experience translating security/regulatory requirements into technical designs.
• Ability to define reference architectures and design standards across domains.

Responsibilities

• 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.
• Translate requirements into technical solutions and reference architectures.
• Define integration patterns between identity platforms, apps and infra.
• Design cloud-native solutions for GCP and Kubernetes environments.
• Define authentication, authorisation and federation architectures.
• Develop ADRs and design documentation.
• Identify risks, constraints and dependencies.

Skills

Enterprise Architecture

Identity and Access Management

Authentication and Authorisation

Zero Trust Architecture

Agent Identity and Workload Identity

Identity Federation

Cloud Architecture (GCP)

Kubernetes and Service Mesh

API Architecture and Security

DevSecOps and CI/CD

Job description

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.
• Identify technical risks, assumptions, constraints and dependencies.
• Collaborate with Enterprise Architecture to ensure alignment with strategic 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
• DevSecOps and CI/CD