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Commercial Manager (Sizewell C)

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Commercial Manager (Sizewell C) - Civil Works Alliance
Sizewell C
We are recruiting for an accomplished commercial leader to join the Civil Works Alliance (CWA) as we deliver Sizewell C—an iconic project that will generate 3.2 gigawatts of low-carbon electricity, supplying around 6 million UK homes for at least 60 years. This is your opportunity to be part of a collaborative team shaping one of the nation's most ambitious infrastructure ventures.
As a senior commercial professional within the CWA, you will drive value, efficiency, and high standards across every stage of this landmark project. Your work will underpin both the successful delivery of Sizewell C and the Alliance's reputation as a centre of industry excellence.
Role Overview
A Commercial Manager is responsible for managing the commercial aspects of a Section or major part of the SZC Civil Works Alliance scope, from setting the Target Outturn Cost (TOC) to project delivery and final financial closure. They play an important role within the project's commercial team, helping to ensure the project is financially successful.
The role involves tasks such as risk management, procurement, financial reporting, and managing the supply chain. Commercial Managers are experienced individuals who have developed strong skills in commercial awareness, client communication, project management, and team coordination. They also have a solid understanding of the construction industry and are flexible and skilled negotiators. Typically, they will have a good track record of managing smaller commercial teams and may be working toward becoming a Chartered Member of RICS, ICES, or CIOB, and act as mentors for other team members aiming to gain professional qualifications.
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Graduate Consultant — 2026 Scheme
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StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Key Responsibilities
- Place health and safety at the forefront of all decisions and champion sustainability across the project
- Ensure your team follows all CWA processes, procedures, and governance standards
- Identify new efficiency opportunities and proactively respond to project requirements
- Analyse the economic landscape and advise on impacts for the project and wider construction sector
- Provide commercial input to value engineering and alternative methods of construction
- Share commercial data effectively with all relevant teams and maximise digital solutions for better outcomes
- Regularly review commercial and cost data to assure accuracy and identify any issues early
- Support the preparation of Target Outturn Costs (TOCs), earned value data, and monthly project performance reports
- Deliver concise commercial updates to the Delivery Leadership Team and represent CWA interests in project meetings
- Assist with procurement planning and supply chain management, supporting procurement, estimating, and surveying teams
- Ensure subcontract agreements are properly managed, change management is administered in line with contract, and disputes are minimised
- Identify supply chain issues and monitor risk and opportunity impacts on cost forecasts
- Ensure costs are recovered as defined cost and manage disallowed costs
- Provide constructive feedback and development opportunities for team members, and work collaboratively with all CWA functions to deliver project objectives.


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Required Qualifications and Experience
- A relevant degree qualification in Quantity Surveying, Commercial Management, or similar
- Strong stakeholder management experience, particularly with external suppliers
- Excellent communication skills and confidence in presenting complex commercial matters
- In-depth understanding of construction law and proven management and leadership abilities
- Strong teamwork and a track record of effective working within matrix organisations
Beneficial Qualifications and Experience
- Experience mentoring and developing team members with clear development plans
- MRICS or similar professional accreditation
- Experience working with NEC3/4 contracts
If you want to bring your commercial expertise to one of the UK's most important infrastructure projects, we would like to hear from you. Click the following link to apply.
For this role, you must have evidence of the right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability, or sexual orientation, and we welcome applications from all sections of the community.
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