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- Tasks: Lead commercial management of major infrastructure projects and mentor junior team members.
- Company: Join Sizewell C, a pioneering nuclear power project in the UK.
- Benefits: Competitive salary, bonus, 28 days holiday, health cover, and hybrid working.
- Other info: Dynamic team culture focused on collaboration and professional growth.
- Why this job: Play a key role in Britain's energy future and contribute to Net Zero goals.
- Qualifications: Extensive experience in major projects and NEC3/4 contracts required.
The predicted salary is between 60000 - 80000 £ per year.
The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.
Location: London, Manchester, Bristol
Contract Type: Permanent - Office-based with hybrid flexibility (typically 2–3 days per week)
Working Pattern: Full time
Closing Date: Friday 8th May 2026
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 greenlit. 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: Competitive (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
- Hybrid working & ongoing professional development.
We’re looking for a seasoned commercial professional with extensive experience delivering major programmes, ideally within heavy civils or large-scale engineering and infrastructure projects valued between £10m and £100m+. You’ll bring a deep understanding of construction technology, cost drivers, and supply chain management, combined with strong working knowledge of NEC3/NEC4 contracts—particularly in contract management and administration. Your ability to draft position papers, author change events, evaluate complex quotations, and produce clear commercial reports will set you apart.
What You’ll Do
- Lead the commercial management of major programmes within heavy civils or large-scale engineering and infrastructure projects.
- Manage and administer NEC3 and NEC4 Engineering and Construction Contracts, ensuring compliance with contract conditions and effective delivery.
- Prepare and maintain key NEC documentation, including early warning notices, compensation events and programme submissions.
- 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.
- Mentor and develop junior team members, building capability across the commercial function.
- Engage confidently with senior stakeholders and clients, providing clear advice and updates.
- Take ownership of challenges and deliver solutions from start to finish without the need for direction.
- Contribute to strategic commercial planning and decision-making to support project success.
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
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 delivering the project outcomes.
- Clarity: Communicate clearly and consistently. Promote collaboration and team alignment. Clearer and faster decision making. Drive simplification at all levels.
For this role you must have evidence of 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.
Senior Commercial Manager (Sizewell C) employer: EDF
Contact Detail:
EDF Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Commercial Manager (Sizewell C)
✨Tip Number 1
Network like a pro! Get out there and connect with people in the industry. Attend events, join relevant groups on LinkedIn, and don’t be shy to reach out to current employees at Sizewell C. A personal connection can make all the difference!
✨Tip Number 2
Prepare for interviews by researching the company and its projects. Understand Sizewell C’s goals and challenges, and think about how your experience aligns with their needs. This will help you stand out as a candidate who truly gets what they’re about.
✨Tip Number 3
Showcase your skills through real-life examples. When discussing your experience, use specific instances where you’ve successfully managed contracts or led teams. This not only highlights your expertise but also demonstrates your problem-solving abilities.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in being part of the Sizewell C team. Let’s get you that dream job!
We think you need these skills to ace Senior Commercial Manager (Sizewell C)
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter for the Senior Commercial Manager role. Highlight your experience with NEC3/NEC4 contracts and major projects, as this will show us you’re the right fit for Sizewell C.
Showcase Your Skills: Don’t just list your skills—demonstrate them! Use specific examples from your past work to illustrate your commercial management expertise and how you've tackled challenges in large-scale projects.
Be Clear and Concise: When writing your application, keep it clear and to the point. We appreciate straightforward communication, so make sure your key achievements and experiences stand out without unnecessary fluff.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss any important updates about the recruitment process.
How to prepare for a job interview at EDF
✨Know Your NEC Contracts
Make sure you brush up on your knowledge of NEC3 and NEC4 contracts. Be ready to discuss how you've managed these contracts in past projects, as this will show your expertise and understanding of the role's requirements.
✨Showcase Your Commercial Acumen
Prepare examples that highlight your experience in commercial management, especially in large-scale engineering projects. Discuss specific instances where you've optimised outcomes through effective cost management and supply chain strategies.
✨Engage with Stakeholders
Think about how you've successfully engaged with senior stakeholders in previous roles. Be prepared to share stories that demonstrate your negotiation skills and ability to provide clear advice, as this is crucial for the Senior Commercial Manager position.
✨Emphasise Team Development
Since mentoring junior team members is part of the job, come equipped with examples of how you've developed others in your previous roles. Highlight your approach to building capability within a team and fostering a collaborative environment.