Job Description
Senior Commercial Manager - Sizewell, IP16, UK
Location: London, Suffolk, Bristol
Contract Type: Office-based, with hybrid working flexibility
Working Pattern: Full time
Closing date: Tuesday 2nd September 2025
We operate on an office-based contract model, supporting hybrid working where possible. You’ll need to be based within reasonable travel distance of the office and able to attend in person when required—typically 2–3 days per week, though this may vary. Flexibility to be on site when needed is essential. Join the team powering Britain’s clean energy future.
Sizewell C (SZC) will deliver low-carbon electricity to 6 million homes, reduce 9 million tonnes of CO₂ annually, create thousands of skilled jobs, and protect natural habitats. As a Senior Commercial Manager, you’ll play a pivotal role in this ambitious infrastructure project—helping Britain reach Net Zero.
The Role
You’ll lead commercial strategy and manage supplier relationships for major contracts—ensuring cost, quality, and delivery targets are met. You’ll work across Civils, Equipment, Engineering, and Client-Insight teams, managing contracts from procurement through execution and closeout. Collaboration with internal and external stakeholders at all levels is essential, including working within a multi-disciplinary, technically complex program. You will promote SZC Project values and ensure project requirements are met and successfully delivered.
Key Responsibilities
* The day-to-day management of Commercial/Supply Chain Managers and/or Assistants.
* Manage relationships with suppliers daily.
* Implement principal accountabilities for the contract commercial team in accordance with procedures.
* Develop and deliver a Commercial/Contract Strategy.
* Manage stakeholder engagement.
* Identify, define, and manage risks related to contract delivery and supply chain.
* Support procurement processes, including developing project contract strategies and reviewing procurement routes.
* Lead and manage the execution phase of contracts, ensuring alignment with project scope, schedule, and budget.
* Oversee contract closeout processes.
Qualifications & Skills
* Proven experience in major projects with NEC3/4 or FIDIC contracts.
* Strong commercial, negotiation, and stakeholder management skills.
* Knowledge of UK contract law and procurement best practices.
* Degree or equivalent experience.
* Professional membership (RICS, CICES, IOB, CIPS) desirable.
What’s in It for You
* £70,000–£90,000 depending on experience.
* 5% bonus target.
* 28 days holiday plus bank holidays.
* Market-leading pension (up to 7.5% employee / 15% employer).
* Health cover, cycle-to-work scheme, discounts, and more.
* Ongoing professional development in an inclusive, mission-driven team.
Apply Now
Be part of the UK’s biggest clean energy project. Shape the future. Power the nation. Apply now and be part of something bigger.
#DestinationNuclear
Sizewell C is committed to creating a diverse and inclusive environment where everyone is treated with respect and has equal access to opportunities. We value different perspectives and foster a culture of mutual trust and appreciation, aligned with our core values: Respect, Positivity, Humility, Solidarity, and Clarity.
Sizewell C Limited is a nuclear site licensed company responsible for designing, financing, constructing, operating, maintaining, and decommissioning the nuclear power plant at Sizewell C in Suffolk. It is currently majority owned by HM Government, with close links to EDF, which provides support services during our transition out of EDF.
Additional Information
Join us at Sizewell C to help Britain reach its Net Zero emissions target by 2050. As part of the UK’s nuclear renaissance, Sizewell C and Hinkley Point C are at the forefront of this change. With the Financial Investment Decision expected in early 2025 and construction starting soon after, now is an excellent time to join our project.
By applying, you acknowledge reading and understanding Sizewell C and EDF’s privacy policies. EDF will process and share your application information on behalf of Sizewell C.
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