At a Glance
- Tasks: Lead commercial management of major contracts in large-scale engineering projects.
- Company: Join Sizewell C, a pioneering nuclear power project in the UK.
- Benefits: Competitive salary, bonus, 28 days holiday, and hybrid working options.
- Other info: Be part of a supportive team focused on collaboration and innovation.
- Why this job: Make a real impact on Britain's energy future while developing your career.
- Qualifications: Experience with major projects and FIDIC or NEC contracts preferred.
The predicted salary is between 51750 - 63250 £ per year.
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: 83,000 Circa (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
- Hybrid working & ongoing professional development.
A Commercial Manager / Senior Commercial Manager within the Technical Contract Team is responsible for leading the commercial management of programme-aligned scopes of work, ensuring effective contract administration, governance, and supplier performance throughout the contract lifecycle.
Embedded within a multidisciplinary delivery team (MDT), the role works closely with Project Management, Technical & Engineering, and Project Controls functions to support safe, timely and cost-effective delivery of the Sizewell C design.
Key responsibilities include managing contractual communications, payment and cost assurance, forecasting and reporting, administering variations and compensation events, supporting risk and claim mitigation, and maintaining constructive commercial relationships with the supplier.
The role is expected to proactively identify and resolve commercial issues, provide robust commercial advice to delivery teams, and secure fair, value-driven outcomes that protect SZC's commercial position while supporting collaborative contract delivery.
For Senior Commercial Managers, additional expectations include leading complex negotiations, managing significant commercial risk and change, influencing senior stakeholders, and providing leadership and mentoring across the wider Technical commercial team.
A civil engineering background, MRICS or CIPS is preferred.
If successful, you will be part of a very friendly and supportive team.
We’re looking for a seasoned commercial professional with extensive experience delivering major programmes, ideally within large-scale engineering and infrastructure projects valued between £10m and £100m+.
Experience in industries such as Energy (Nuclear, Wind, Solar, Oil and Gas), Datacentres and the like will be highly regarded.
You’ll bring a deep understanding of construction technology, cost drivers, and supply chain management, combined with a strong working knowledge of FIDIC (highly desirable) and 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
- Lead the commercial management of major contracts within large-scale engineering and infrastructure projects.
- Manage and 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.
- Understand and administer price fluctuation clauses.
- Be articulate in drafting 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.
- Manage, mentor and develop direct reports and early-career team members, building capability across the commercial function.
- Engage confidently with senior stakeholders and clients, 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 without the need for direction.
- Contribute to strategic commercial planning and decision-making to support project success.
- Manage and contribute to ongoing continuous improvement initiatives.
- What You’ll Bring
- Proven experience in major projects and FIDIC (highly desirable) or NEC3/4 contracts
- Strong commercial, negotiation, influencing, problem solving, communication and stakeholder management skills
- Team-oriented mindset, and fosters innovation and collaboration
- Ability to absorb complex information and assess requirements and make recommendations
- Experience of CEMAR Contract Management platform desired but not essential
- 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 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.
Snr Commercial Manager - NI in London employer: Sizewell C
Sizewell C is an exceptional employer dedicated to fostering future talent in the Suffolk region. With a strong emphasis on collaboration and community engagement, employees benefit from a supportive work culture that prioritises professional growth through innovative education programmes and outreach activities. Join us to make a meaningful impact while enjoying opportunities for career advancement in a dynamic and rewarding environment.
StudySmarter Expert Advice🤫
We think this is how you could land Snr Commercial Manager - NI in London
✨Join Construction Networks
Get yourself involved in local construction networks or industry events. They often have job boards, and networking can lead to unadvertised positions. Plus, it’s a great way to meet potential future colleagues!
✨Show Off Your Skills on Site
If you’ve done any hands-on work, whether it's through internships or personal projects, make sure you can showcase it. Consider volunteering for local construction projects or getting involved in community build days; it’s a solid way to demonstrate your skills and build connections.
✨Utilise Construction Job Sites
Don't just rely on the big job boards. Look at niche construction job sites—many companies prioritise these for full-time roles. Apply through these sites, but don’t forget to reach out directly to companies you admire, like Sizewell C, to express your interest!
✨Tailor Your Application for Full-Time Roles
Make your application stand out by tailoring it specifically for full-time positions. Highlight how your previous projects align with the company's work. At StudySmarter, we encourage you to demonstrate your commitment and long-term interest in the industry when applying for roles like Snr Commercial Manager - NI at Sizewell C.
We think you need these skills to ace Snr Commercial Manager - NI in London
Some tips for your application 🫡
Showcase Your Relevant Experience:In the construction industry, it's essential to highlight any hands-on experience you have. Whether it’s past projects you've worked on or specific roles you've held, make sure your CV emphasises your practical skills and contributions to construction sites.
Include Certifications and Qualifications:Don’t forget to list any certifications relevant to construction, like CSCS cards or other safety qualifications. These can really set you apart from other candidates and show that you’re serious about health and safety on-site.
Tailor Your Cover Letter to Construction:When writing your cover letter for a construction role, focus on your problem-solving capabilities and teamwork. Construction relies heavily on collaboration, so mention how you’ve worked successfully with others to complete projects on time and within budget.
Adapt Your CV Format to the Field:Ensure your CV is clear and easy to read, with sections dedicated to skills such as project management, technical abilities, and site supervision. Construction roles often require a blend of technical know-how and soft skills, so make sure both are highlighted effectively.
How to prepare for a job interview at Sizewell C
✨Brush Up on Technical Knowledge
For a construction role, it's crucial we have a solid grasp of industry standards, safety protocols, and specific tools used on-site. Make sure you're familiar with relevant regulations and can talk confidently about them, as these often come up in interviews.
✨Showcase Your Projects
Since this is a full-time position, be ready to discuss any previous construction projects you've worked on. Bring a portfolio or have detailed descriptions that highlight your role, the challenges you faced, and how you overcame them—this’ll show you’re not just book-smart but also practically savvy.
✨Understand the Team Dynamics
Construction is all about teamwork, so prepare to discuss how you interact with different stakeholders like architects, engineers, and contractors. Maybe think of examples from past experiences to illustrate your ability to communicate and collaborate effectively.
✨Prepare for On-the-Spot Problem Solving
Be ready for some practical questions or scenarios where you'll need to demonstrate your problem-solving skills. Interviewers might present you with a hypothetical construction issue to solve, so practice articulating your thought process clearly and logically—this could really set you apart!
