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We are supporting a leading organisation within the UK nuclear new build sector in the search for an experienced Business Architect to join a major, nationally significant infrastructure programme. This is a high-impact role at the heart of a complex, safety-critical environment, shaping the business architecture that underpins large-scale nuclear construction and long-term operational capability. The successful candidate will likely come from a Business Analyst background and will have progressed into business architecture, enterprise change, or senior transformation roles within highly regulated industries. The Opportunity - You will work closely with senior stakeholders, engineering teams, delivery partners, and suppliers to define and shape early-stage project concepts, develop robust investment cases, and ensure business requirements are translated into safe, efficient, and deliverable solutions. The environment is highly governed, structured, and safety-driven, requiring strong analytical capability, stakeholder leadership, and a deep appreciation of regulated delivery frameworks. Experience in nuclear, rail, defence, utilities, or other safety-critical infrastructure programmes will be highly advantageous.
Job Responsibility
Leading stakeholder engagement to define project concepts, scope, dependencies, risks, and business outcomes
Capturing, analysing, challenging, and prioritising business requirements aligned to programme and organisational strategy
Developing business architecture artefacts to support early-stage project definition and decision-making
Producing high-quality investment cases and business cases with clearly articulated benefits and value drivers
Working with internal teams and external delivery partners to develop and evaluate solution options
Acting as custodian of business requirements across the full lifecycle, ensuring alignment to agreed outcomes
Supporting business readiness, testing, and transition into operational use
Ensuring solutions align with nuclear governance, regulatory obligations, and safety standards
Requirements
Significant experience on large-scale civil engineering, infrastructure, or construction programmes
Background in highly regulated environments such as nuclear, rail, defence, utilities, or similar safety-critical sectors
Strong business process analysis, modelling, and design capability
Proven experience engaging and influencing senior stakeholders
Experience developing business cases and investment cases for complex programmes
Understanding of formal project delivery frameworks such as PRINCE2 or equivalent structured methodologies
Experience working with procurement processes including RFI and ITT stages and supplier evaluation
Nice to have
Direct experience within nuclear new build or nuclear operational environments
Exposure to enterprise architecture or structured business architecture frameworks
Experience supporting major capital investment or national infrastructure programmes