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 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.
Business Architect
Location:Based in Suffolk on a hybrid basis with travel to other offices as required.
Contract: Permanent, full-time.
Salary:Competitive dependant on experience,plus benefits
Benefits include:
* Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays.
* Bonus:5% annual bonus.
* Pension Contributions: Defined Contribution Pension Scheme with up to 7.5% employee contribution 15% employer contribution.
Closing Date: Friday 19th June 2026.
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.
About the Role
We are looking for a strategic and delivery focused Business Architect to join the Sizewell C programme. This role is critical in shaping and aligning business processes, operating models, and organisational capabilities to support the successful delivery of one of the UK's most significant low‑carbon infrastructure projects.
As a Business Architect, you will bridge the gap between strategy and execution, ensuring that business needs are translated into effective solutions that drive efficiency, consistency, and long-term value.
You will contribute to the ongoing development of the Business Architecture capability, taking ownership of high quality outputs and actively supporting a collaborative, high performing team culture. You will operate with a service driven mindset, delivering Business Architecture services aligned to the wider Digital Business strategy, while continuously developing your professional skills, awareness of industry best practice, and emerging techniques.
You will act as a credible ambassador for Digital, building strong relationships with stakeholders, confidently presenting to senior audiences, and providing subject matter expertise across your projects. You will uphold and role model core values, mentor and support colleagues, and contribute to improving team standards, ways of working, and shared resources.
You will take responsibility for effective stakeholder engagement, governance progression, and transparent documentation using agreed governance toolsets, ensuring accurate reporting of pipeline activity and proactive identification of risks or emerging demand.
About You
* Proven experience in a Business Architect or similar strategic role
* Strong understanding of business architecture frameworks and methodologies
* Experience working on large‑scale infrastructure, construction, or energy projects
* Demonstrated ability to design and implement target operating models
* Excellent stakeholder engagement and influencing skills at senior levels
* Strong analytical thinking and problem‑solving capabilities
Why Join Us?
* Be part of one of the most important low‑carbon energy projects in the UK.
* Work in a mission‑driven environment that values innovation, integrity, and long‑term sustainability.
* Competitive salary, comprehensive benefits, and opportunities for career development.
* Flexible and hybrid working options.
Key Competencies
Behavioural Competences
Humility
* Recognise the value brought fromdifferent culturesand experiences
* Be open to other's points of view and ideas, be willing to debate and to compromise
Positivity
* Positively challengepoor qualityand performance
* Identifysolutions at the lowest possible level
* Encourage tier 1s and others to bringnew ideasforward
Respect
* Value the rules and environment in which we operate
* Give and receive feedback with respect
* Embrace and engage with new people and ideas
Solidarity
* One team, working closely together and helping each other
* Empowered teams always looking forward.
* Shared responsibility for delivery the project outcomes
Clarity
* Communicate clearly and consistently
* Promote collaboration and team alignment
* Clearer and faster decision making
* Drive simplification at all levels
If this sounds like the next step in your career, we'd love to hear from you. Apply today.
When joining Sizewell C, you may wonder why you are contacted by colleagues with an EDF email or see the EDF logo on portals that you access and/or documentation you receive; this is because we have partnered with EDF for the provision of a number of support services whilst we complete a successful transition out of the EDF group.
At Sizewell C we encourage and embrace diversity and how it can improve our experience and performance at work. It is a requirement that those who join us have the right to work in the UK. Whilst sponsorship may be a possibility that we can explore, we are fully committed to local recruitment where possible, and those already holding the right to work in the UK.
To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.
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