Job Description

Posted 3 hours ago

Business Architect – Nuclear New Build Programme – £700-£725 per day – Inside IR35 – Hybrid working from a site near Leiston – 2-3 days a week on site- 6 months inital contract with extension being highly likely. 

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.

What You’ll Be Doing –

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
What We’re Looking For –

We are seeking candidates with strong Business Analyst foundations who have developed into broader business architecture or transformation roles.

Essential Experience –

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
Desirable Experience –

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
Key Skills –

Strong analytical thinking and structured problem-solving
Ability to integrate processes, systems, and organisational change across complex environments
Excellent stakeholder engagement and facilitation skills, including senior leadership engagement
Ability to translate strategic objectives into clear, actionable business outcomes
Strong commercial awareness with an understanding of cost, risk, and value trade-offs
Commitment to continuous improvement and constructive challenge
Personal Attributes –

Confident operating in complex, highly governed environments
Calm and resilient under pressure, with strong attention to detail
Credible with senior stakeholders across technical and business domains
Collaborative, inclusive, and able to work across multi-disciplinary teams
Committed to safety, quality, and compliance in all aspects of delivery
This is a rare opportunity to contribute to one of the UK’s most significant infrastructure programmes, shaping the business architecture that underpins the delivery of safe, reliable, low-carbon nuclear energy for the future