Commercial Manager

Location:

London/Manchester

Contract: Permanent, full-time.

What’sin It for You:

• Salary:
  Competitive (depending on experience)
• Bonus: 5% annual incentive
• Pension:
  Up to 7.5% employee / 15% employer contribution
• Hybrid Working:
  Typically,2-3 days in the office per week, with flexibility based on business needs

As Commercial Manager you will join our Supply Chain team and take ownership of the commercial management of Design, Engineering, and Construction contracts.

You’llwork closely with Programme Delivery, Finance, Legal, and suppliers to ensure contracts deliver on cost, quality, and schedule.

• Lead all commercial and contract management activities for complex projects.
• Administer NEC3/NEC4 or FIDIC contracts, including drafting clear contract documentation.
• Manage supply chain engagement, including procurement, subcontractor quotation reviews, and contract negotiations.
• Produceaccuratecost reports, forecasts, and budgets, ensuring robust cost assurance.
• Represent the project in client-facing commercial meetings.
• Mentor and guide Assistant Commercial Managers and junior team members.
• Support project controls and reporting using systems such as CEMAR, SAP, Oracle, or similar.
• What We’re Looking For
• Solid experience on major programmes or multi-discipline projects.
• Strong understanding of NEC3/NEC4 or FIDIC contracts and contract administration responsibilities.
• Proven experience in a commercial or contract management role.
• Excellent numerical and analytical skills with the ability to produceaccuratecost reports.
• A clear self-starter, confident in taking ownership and seeking additional responsibility
• Ideally Chartered status (RICS, ICE, CICES, IOB, CIPSor equivalent) or working towards
• Stakeholder management and negotiation skills.
• Nice-to-haves
• Ideally Degree-qualified in Quantity Surveying, Commercial Management or Engineering or related field.
• Experience in nuclear or regulated industries
• Understanding of the UK nuclear regulatory environment and supply chain landscape
• Familiarity with safety case and licence conditions in nuclear
• Familiarity with project controls systems (CEMAR, SAP, Oracle).
• Why Join Us
• A major infrastructure project with national impact
• Hybrid working with flexibility built in
• Competitive salary,bonusand benefits
• Clear progression and development opportunities
• Supportive, collaborative team environment

• 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.

• Positively challenge poor quality and performance.
• Identify solutions at the lowest possible level.
• Encourage others to bring new ideas forward.

• Value the rules and environment in which we operate.
• Give and receive feedback with respect.
• Embrace and engage with new people and ideas.
• One team, working closely together and helping each other.
• Empowered teams always looking forward.
• Shared responsibility for delivery the project outcomes.

• Communicate clearly and consistently.
• Promote collaboration and team alignment.
• Drive simplification at all levels.

Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements.

Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.

Sizewell C construction…