Sizewell C
Commercial Manager - Equipment
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Sizewell C’s Business
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.
Commercial Manager – Equipment
Location: London, Bristol, Ipswich & Manchester
Contract: Permanent, full-time.
Closing Date: Wednesday 12th August 2026
What’s in It for You?
- Salary: Circa £66,866 per annum (depending on experience)
- Bonus: 5% annual incentive
- Pension: Up to 7.5% employee / 15% employer contribution
- Leave: 28 days holiday plus bank holidays
- Hybrid Working: Typically, 2–3 days in the office per week, with flexibility based on business needs
Your Impact
We’re looking for a seasoned commercial professional with experience delivering major programmes, ideally within large-scale engineering and infrastructure projects valued between £10m and £100m+. Experience in industries such as Energy (Nuclear, Wind, Solar, Oil and Gas), Datacentres and the like will be highly regarded. You’ll bring an understanding of construction technology, cost drivers, and supply chain management, combined with a strong working knowledge of FIDIC (highly desirable) and NEC3/NEC4 contracts; particularly in contract management and administration. Your ability to draft position papers, evaluate variations, evaluate complex quotations, manage risk and produce clear commercial reports will set you apart.
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What You’ll Do
- Provide commercial management of major contracts within large scale engineering and infrastructure projects.
- Administer FIDIC Contracts, ensuring compliance with contract conditions and effective delivery.
- Prepare and maintain key contract documentation, including early warning notices, variations and claim responses.
- Understand and administer price fluctuation clauses.
- Draft position papers, prepare commercial reports and author change events to support project decisions.
- Apply your understanding of construction technology, cost drivers and supply chain management to optimise outcomes.
- Support direct reports and early-career team members, to build capability across the commercial function.
- Engage confidently with stakeholders, providing clear advice and updates.
- Engage with team members and contractors in a confident, professional, and collaborative manner, fostering constructive relationships while assertively ensuring that the client’s contractual rights and obligations are always protected.
- Take ownership of challenges and deliver solutions from start to finish with limited need for direction.
- Contribute to strategic commercial planning and decision-making to support project success.
- Support and contribute to ongoing continuous improvement initiatives.
What You’ll Bring
- Proven experience in major projects and ideally FIDIC or NEC3/4 contracts
- Strong commercial, negotiation, influencing, communication and stakeholder management skills
- A mindset for team-working, innovation and collaboration
- Experience of CEMAR Contract Management platform desired but not essential
- Knowledge of UK contract law and procurement best practices
- Degree or equivalent experience
- Professional membership (RICS, CICES, IOB, CIPS) desirable
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Why Join Us
- A major infrastructure project with national impact
- Hybrid working with flexibility built in
- Competitive salary, bonus and benefits
- Clear progression and development opportunities
- Supportive, collaborative team environment
Behavioural Competences
Humility
- Recognise the value brought from different cultures and experiences.
- Be open to other’s points of view and ideas, be willing to debate and to compromise.
Positivity
- Positively challenge poor quality and performance.
- Identify solutions at the lowest possible level.
- Encourage others to bring new ideas forward.
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 delivering 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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