Commercial Manager

Why Join Us?

Sizewell C is one of the UK’s most ambitious infrastructure projects—a next-of-a-kind nuclear power station that will deliver clean, reliable energy for generations. Following our Final Investment Decision, construction is fully underway. This is your chance to lead at scale and play a pivotal role in Britain’s journey to energy security and Net Zero.

What’s in It for You

- Salary: £64,000-£66,866 (depending on experience)

- Bonus: 5% annual target

- Holiday: 28 days + bank holidays

- Pension: Market-leading (up to 7.5% employee / 15% employer)

- Benefits: Health cover, cycle-to-work scheme, discounts & more

- Office Location: London, Bristol, Ipswich & Manchester

- Hybrid working & ongoing professional development.

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 regulated industries such as Energy (Nuclear/ EPR, 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/or 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.

What You’ll Do

- Provide commercial management on either full equipment, installation and commissioning major contracts or equipment only packages within large scale engineering and infrastructure projects.

- Provide commercial management on major large-scale engineering and infrastructure contracts within the nuclear island.

- 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.

- Prepare and maintain contract commercial reporting.

- 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 EPR Contract Management desired but not essential

- Use of CEMAR platform desired but not essential

- Knowledge of UK contract law and procurement best practices

- Degree or equivalent experience desirable

- Professional membership (RICS, CICES, IOB, CIPS) desirable

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 delivery 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.