Senior Commercial Manager - London, ec2r 7bp, UK

Make sure to read the full description below, and please apply immediately if you are confident you meet all the requirements.Job Description

Where Can a Senior Commercial Manager Be a Force for Good?At Sizewell C.Location: London, Suffolk, BristolContract Type: Office-based, with hybrid working flexibilityWorking Pattern : Full timeClosing date : Tuesday 2nd September 2025We 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 RoleYou’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 pro-actively with internal and external stakeholders at all levels. This includes working as part of a multi-disciplinary team within a technically complex Programme.At all times promotes the SZC Project, its values and behaviours and ensures that SZC Project requirements are met and successfully delivered.What you’ll be doing..................• The day-to-day management of Commercial/Supply Chain Managers and/or Assistants.• Manage the relationship with the supplier day to day.• Ensure all Principal Accountabilities for the contract commercial team are implemented in accordance with commercial procedures.• Oversee the development of a Commercial/Contract Strategy and its subsequent delivery.• Manage stakeholder engagement for relevant area.• Identify, define, and manage risks associated with either Contract Delivery or the Supplier and its Supply Chain.Procurement phase - provide support to the procurement process and Head of Commercial including participating in the development of the Project Contract Strategy and reviewing the need and proposed procurement route for all Project Contracts. This will include ensuring that the procurement programme for each contract is aligned to the Integrated Work Schedule and that adequate time is allowed for an effective procurement process leading to contract signature.Execution phase - the Senior Commercial/Supply Chain Manager will have responsibility for leading and managing the execution phase of each contract including providing an overview of the individual contracts to ensure compatibility and alignment with other projects including fundamental matters such as: Scope of Work/Services and Associated Programme; Prices and Rates Schedules; Key Personnel and Arrangements for Contract Administration, incentive arrangements.Closeout phase - responsible and accountable for managing the close out phase of each contract.What You’ll BringProven 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 +