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Senior Commercial Manager

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Sizewell C Limited
Full Time position
Listed on 2026-09-12
Job specializations:
  • Management
    Contracts Manager, Business Administration, Operations Management, Supply Chain & Logistics
  • Business
    Business Administration, Operations Management, Supply Chain & Logistics
Salary/Wage Range or Industry Benchmark: 90000 - 130000 GBP Yearly GBP 90000.00 130000.00 YEAR
Job Description & How to Apply Below

A career that will deliver change. Together, we’ll help Britain achieve Net Zero.

Senior Commercial Manager:
  • reports to a Supply Chain Lead and is the primary point of contact for all supply chain/commercial matters relating to a supplier/contract assigned to them.
  • works 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.
  • is empowered to make decisions and undertake its Principal Responsibilities and Accountabilities (as defined below) in the context described above and in accordance with delegated levels of commitment and authority.

Due to the phase of the SZC Project (contract formation activity is starting), for the right individual this is a progressive role and this means there is scope for role growth (as responsibilities and accountabilities of the Senior Supply Chain Manager develop/progress as the SZC Project develops).

Principal Responsibilities and Accountabilities
  • Having at all times the knowledge and being responsible for the regular reporting of topics including: contract scope of work/services; schedule; pricesand rates; key personnel; and incentive arrangements.
  • Managing the contract commercial relationship and at all times providing support to the Project Manager to ensure effective delivery of the contract. In particular, establish effective collaborative arrangements and work in a spirit of mutual trustand cooperation to achieve ‘win-win’ equitable commercial outcomes.
Contract formation
  • Contributing to procurement and contracting strategies that meet the overall SZC Project objectives.
  • Managing and tracking a procurement against the overall Integrated Work Schedule (IWS) milestones to meet stakeholder and SZC Project requirements and keeping the procurement on schedule.
  • Undertaking correct administration of ‘vendor assessment’ and information exchange via procurement electronic portal tools.
  • Invitation to tender preparation and tender evaluation assessing technical and commercial compliance.
  • Managing formation activities across technical, programme, legal and commercial disciplines.
  • Support to the budget process and analysing the commercial requirements of a contract.
  • support to the Commercial Lead in ensuring all internal governance approval is in place to enable timely Contract Award.
Post contract management
  • Managing contracts in accordance with the contract terms, SZC governance requirements and SZC Project objectives to achieve a successful close.
  • Ensuring compatibility and alignment with other SZC Project contracts.
  • Administration of commercial management tools including, but not limited to, CEMAR and SAP.
  • In the closeout phase the Senior Commercial Manager will have responsibility and accountability for managing the close out of each contract and identifying and recording commercial lessons learnt.
Other
  • Deliver contracts in accordance with NNB governance requirements to meet NNB SZC Project and business objectives.
  • Supervision of Supply Chain Managers and Supply Chain Assistants under their control.
  • Internal and external stakeholder management and working within a multi-disciplinary team/teams.
  • Being familiar with, promoting and maintaining compliance at all times (at procurement and post-procurement stages) with NNB’s Supply Chain policies (including compliance with nuclear safetyand quality controls procedures) and SZC Project processes and procedures, particularly those relating to the Supply Chain.
  • Engagement as required with the UK regulators (ONR/EA/CNS), HM Government and Ofgem.
  • Promoting the role of the…
Position Requirements
10+ Years work experience
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