Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements.

Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.

Sizewell C construction strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time and cost of around 20%. The CCO will need to be guided by and incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C’s ambition.

Following Financial Completion and Revenue Commencement, Sizewell C is fully funded and is owned by; The Secretary of State for Energy Security and Net Zero representing HM Government, La Caisse, Centrica, EDF and Amber Infrastructure.

Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects. We are now recruiting the below position.

Business Architect – Digital Construction

Location: Leiston (3 days per week) with travel to other sites.    

Contract: Permanent, full-time. 

Salary:  Circa £66,866 per annum, depending on experience.

Benefits include: 

• Annual Leave: 28 days per annum, plus bank holidays. 
• Bonus: 5% annual bonus. 
• Defined Contribution Pension Scheme: with up to 7.5% employee contribution 15% employer contribution. 

 Closing Date:  Wednesday 30th September 2026

Impact

The SZC Digital & IT directorate sits within the PMO Unit which in turn sits within the overall delivery department. Digital & IT is accountable for providing Enterprise IT infrastructure and application to the business and to a subset of Tier 1 contract partners.

The Architecture function is one of four functions reporting into the Digital Director and delivers the architectural strategy and roadmap for SZC.

As Business Architect you will support the Business Architecture Lead in defining, planning, and delivering Business Architecture projects for the Sizewell C (SZC) Digital & IT team. You will work closely with senior stakeholders and project teams to design effective and efficient business operating models, ensuring that proposed changes are strategically aligned and deliver measurable benefits.

As Business Architect you will remain engaged through development and implementation phases, managing evolving requirements, validating solutions, and supporting readiness for business adoption.

Framework & Boundaries

As Business Architect you will receive delivery objectives from the Business Architecture Lead and may work independently or as part of a multi-disciplinary team. While you may specialise in process, IT, or management information, you maybe expected to maintain a broad understanding of all Business Architecture disciplines to identify interdependencies and ensure integrated solutions. They will lead early-stage project definition, develop project mandates, and prepare investment cases, working with suppliers and internal teams to identify best-fit solutions.

The role operates within the SZC Digital & IT governance structures, aligning with project management, procurement, and regulatory requirements, and must ensure solutions comply with industry standards and SZC licence obligations.

Principal Accountabilities

• Lead engagements with business stakeholders to define project concepts, clarify scope, assess impacts, and identify initial risks, issues, and dependencies.
• Capture, evaluate, challenge, and prioritise business requirements in consultation with senior management, ensuring alignment with business strategy.
• Collaborate with internal teams and external delivery partners to develop solution options and evaluate these against business and user needs.
• Prepare robust business cases and investment proposals, articulating clear, tangible benefits and identifying opportunities for maximising value.
• Act as the custodian of business requirements throughout the project lifecycle, ensuring solutions remain aligned with agreed outcomes.
• Apply knowledge of emerging trends, best practice, and innovative solutions to drive continuous improvement in business operations.
• Support business acceptance of new processes and systems, including walkthroughs, testing, and readiness activities.
• Ensure all projects adhere to SZC and EDFE delivery assurance principles and governance standards.

Dimensions

The Business Architect report to the Business Architecture Lead, and will work alongside a network of 12 Business Architects within SZC Digital & IT. The role holder will be aligned to specific SZC delivery functions (e.g., Engineering, Construction, Project Delivery, Business Services), and will be responsible for developing and maintaining relationships with senior stakeholders, external partners, and suppliers.

Knowledge, Skills, Qualifications & Experience

• Strong understanding of business architecture change within complex, evolving environments.
• Expertise in business process analysisand design, including use of modelling and collaboration tools.
• Advanced stakeholder management and facilitation skills, with the ability to influence at senior levels.

Desirable

• Broad knowledge of architecture standards, frameworks, and best practice methods.
• Strong analytical skills, able to apply a range of analysis techniques to complex problems.

Qualifications & Experience

Relevant qualifications and experienc