Senior Commercial Manager - Sizewell C

Are you a Senior Commercial Manager with strong experience in direct project delivery?

Do you have experience across civil engineering, infrastructure, nuclear or power projects?

Looking for an opportunity to contribute to one of the UK's most significant infrastructure programmes?

If so, this could be the opportunity for you!

The Senior Commercial Manager Opportunity

Expanded Structures, the specialist reinforced concrete basement, substructure and superstructure frame construction division of Laing O'Rourke, is recruiting a Senior Commercial Manager to join the team in Suffolk.

Be part of this ‘once in a generation' project, which will deliver clean energy to 6 million homes for the next 60 years. Sizewell C will see the creation of a 3.2-gigawatt nuclear power station on the Suffolk coast, providing reliable low-carbon electricity.

The Civil Works Alliance is an extended delivery enterprise involving Sizewell C, Balfour Beatty, Bouygues Travaux Publics and Laing O'Rourke, bringing together a single delivery organisation with extensive experience from major, complex infrastructure programmes.

What will the role look like?

• Oversee commercial activities across your project section from pre-construction through to completion.
• Take responsibility for financial, contractual and commercial performance, including cost, forecasting, risk and opportunity.
• Manage and oversee major subcontract packages, including procurement, administration, change, accounts and claims.
• Lead change control and ensure commercial risks and opportunities are identified, managed and mitigated.
• Provide commercial and contractual advice to project teams, clients and supply chain partners.
• Maintain robust commercial governance, reporting and contract compliance.
• Identify and escape issues that may impact project or business performance.
• Support continuous improvement and consistent commercial best practice.
• Provide guidance and support to the wider Commercial team.

What skills & experience are we looking for?

• Degree (or higher) qualified in Quantity Surveying, Civil Engineering or Commercial Management; RICS membership desirable but not essential.
• Strong working knowledge and practical application of NEC contracts.
• Significant commercial management background within direct delivery environments, ideally across major civil engineering, infrastructure, nuclear or power projects.
• Proven ability to manage projects through the full lifecycle, including subcontract packages, change, risk and commercial performance.
• Strong stakeholder management skills, with the ability to work collaboratively across project teams, clients and supply chain partners.

About Us

We are an international engineering and construction company delivering state-of-the-art infrastructure and buildings projects for clients in the UK, Middle East and Australia.

Certainty, reliability, quality – this is what our clients want. And at Laing O'Rourke, we have more than 150 years of experience delivering it. Laing O'Rourke's story is one of energy, passion, ambition, people and teamwork. We harness the power of our experience, stretching back over a century and a half to deliver certainty for our clients.

As part of the Disability Confident scheme, we would like to enable access to candidates with long term health conditions and disabilities through the ‘Offer an interview scheme'. This supports applicants that meet the essential criteria by offering an interview for the advertised position. Please let us know prior to interview what adjustments are required as well as discussing how we can support you in the workplace.

We want to ensure our recruitment process is accessible to all. If you need the application form in an alternative format or you would like to know more about our recruitment process, please email

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