Senior Commercial Manager

www.findapprenticeship.service.gov.uk - Jobboard; Leiston; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading UK infrastructure project is seeking a Senior Commercial Manager to lead commercial strategy and supplier relationships. You will manage contracts related to major projects, ensuring cost and quality targets are met while promoting Net Zero initiatives. The position offers a salary range of £70,000–£90,000, with benefits including a bonus, holiday, and professional development opportunities.

Benefits

28 days holiday + bank holidays

Market-leading pension

Health cover

Cycle-to-work scheme

Discounts and more

Qualifications

• Proven experience in major projects and NEC3/4 or FIDIC contracts.
• Strong commercial and negotiation skills.
• Knowledge of UK contract law and procurement best practices.

Responsibilities

• Manage day-to-day operations of the commercial team.
• Oversee contract strategy development and delivery.
• Engage with suppliers and stakeholders.

Skills

Commercial management

Negotiation skills

Stakeholder management

Education

Degree or equivalent experience

Professional membership (RICS, CICES, IOB, CIPS)

Job description

Job Description

Where Can a Senior Commercial Manager Be a Force for Good? At Sizewell C.

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, but support hybrid working where possible. This means you’ll need to be based within reasonable travel distance of the office and able to attend in person when business needs require—typically 2–3 days per week, though this may vary by team or project. 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, cut 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 one of the UK’s most ambitious infrastructure projects—helping Britain reach Net Zero.

The Role

You’ll lead commercial strategy and 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 through procurement, execution, and closeout. You’ll work closely and proactively with internal and external stakeholders at all levels, promoting the SZC Project, its values, and behaviors, ensuring project requirements are met and successfully delivered.

Responsibilities include:

1. The day-to-day management of Commercial/Supply Chain Managers and/or Assistants.
2. Manage the relationship with the supplier daily.
3. Ensure all Principal Accountabilities for the contract commercial team are implemented in accordance with procedures.
4. Oversee the development and delivery of a Commercial/Contract Strategy.
5. Manage stakeholder engagement.
6. Identify, define, and manage risks related to Contract Delivery or the Supply Chain.
7. Support procurement processes and review procurement strategies.
8. Lead and manage the execution phase of contracts, ensuring alignment with project objectives.
9. Manage the closeout phase of contracts.

What you’ll bring:

• Proven experience in major projects and 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 + bank holidays
• Market-leading pension (up to 7.5% employee / 15% employer)
• Health cover, cycle-to-work scheme, discounts & 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.

Sizewell C is committed to diversity and inclusion, fostering an environment where everyone is valued and has equal access to opportunities. We promote respect, positivity, humility, solidarity, and clarity in our culture.

Sizewell C Limited is a nuclear site licensed company, currently majority owned by HM Government, with close links to EDF. As an employee, you may see EDF branding due to our partnership for support services.

Additional Information

Join us at Sizewell C. This is a unique opportunity to contribute to one of Europe’s largest construction projects and help Britain achieve Net Zero emissions by 2050. As the project advances, there are exciting prospects ahead, supported by government and public backing. We look forward to your application.

By applying, you acknowledge understanding of our privacy policies and consent to data processing by EDF on behalf of Sizewell C.