Assistant Sourcing Manager Sizewell C

Sizewell C; Sizewell; Hybrid; GBP 38,000 - 46,000; Full time

Benefits offered by this job

5% CIP bonus

28 days holiday

Contributory pension up to 7.5%/15%

Ongoing professional development

Other lifestyle benefits

Job summary

Sizewell C Company is seeking an Assistant Sourcing Manager to join the Strategic Sourcing team in a hybrid role across London, Manchester, Bristol and Birmingham, with on-site presence required 1–2 days per week.

The role supports category management delivery and procurement across SZC, handling high-value packages and engaging with finance, legal and project teams to secure best value. Closes 16 November 2026.

Qualifications

• Assist with development of category strategies based on value and complexity
• Support end-to-end procurement processes
• Engage with multi-disciplinary teams to procure requirements

Responsibilities

• Assist with development of category strategies and deliver sourcing requirements
• Support end-to-end procurement process from EOI to contract award
• Engage with Project Managers, Finance, Legal and Project Controls to procure requirements
• Use e-procurement platforms and maintain records
• Identify cost reduction targets and drive savings and efficiencies
• Contribute to carbon reduction and social value initiatives
• Ensure adherence to AGS and SOC deadlines
• Conduct market analysis and supplier capability reviews
• Collaborate with cross-functional teams to deliver procurement strategies

Job description

Assistant Sourcing Manager

Location: Hybrid, London, Manchester, Bristol, Birmingham (minimum 1-2 days per week onsite)

Employment type: Fixed Term Contract

Salary: Circa £42,000 per annum - Dependent on experience

Benefits

• 5% CIP bonus
• 28 days holiday, plus bank holidays
• Contributory pension of up to 7.5% employee/15% employer
• Ongoing professional development
• Other lifestyle benefits

Closing date: 16th November 2026

The purpose of the role is to support the Strategic Sourcing team implement category management approaches across Sizewell C (SZC) Site Delivery and the wider project. The role will be responsible for providing support and assistance to the team to develop category strategies and deliver sourcing requirements.

The Assistant Strategic Sourcing Manager will support proactive engagement with multi-disciplinary teams e.g. Project Managers, Finance, Legal and Project Controls to procure the requirements in accordance with Sizewell C's Acquire Goods and Services (AGS) processes and procedures. Procurements values will range up to and may exceed £100m, therefore it is essential the Assistant Strategic Sourcing Manager is commercially astute and able to engage closely with all stakeholders to ensure the best value solution for the project.

Prior to the government investment decision SZC operated as part of EDF in the Nuclear Development business unit and was staffed by EDF colleagues and independent contractors who are now in the process of transferring to the direct employment of SZC. It is setting itself up as an organisation capable of delivering a new nuclear power plant, from investment case and funding, to construction, commissioning, operations, maintenance and decommissioning.

The SZC construction programme has a technical and commercial business case predicated on technical replication of Hinkley Point C. EDF will be an important supplier of nuclear capability for the SZC Programme from its established nuclear business footprint in the UK.

Key stakeholders are: UK Government, relevant Government departments and agencies including Treasury DESNZ, EDF, Financial investors and institutions, Regulators, Alliance partners and local communities.

Key Stakeholders

• UK Government
• Relevant Government departments and agencies including Treasury DESNZ
• EDF
• Financial investors and institutions
• Regulators
• Alliance partners
• Local communities

Principal Accountabilities, Activities and Decisions

Reporting into the Senior Strategic Sourcing Manager, your accountabilities will include:

• Assist with development of category strategies based on value and complexity, and which align to organisational priorities, market conditions and business needs
• Support with the end-to-end procurement process, from Expression of Interest, Pre-Qualification Questionnaire, Invitation to Tender through to contract award, to deliver the category strategy outcomes with a particular focus on procurement delivery
• Use of e-procurement platforms to manage all aspects of the end-to-end procurement process and ensure all associated records are maintained to a high standard
• Assist with identifying cost reduction targets against addressable spend and ways to increase productivity/performance, innovation and efficiencies.
• Assisting the team with identifying and delivering savings / efficiencies both in terms of cost and productivity
• Play a part in contributing towards carbon reduction initiatives linked to opportunities highlighted in category strategies
• Support the team with identifying ways to increase the use of social value enterprises where possible
• Help to ensure the end-to-end procurement process adheres to the AGS and Signature of Contract (SOC) deadlines
• Input into and undertake supply market analysis, investigating supply chain capability to highlight emerging innovations and improvement opportunities to assist with the development of category strategies
• Carry out data collection and data analysis work in support of the role holder's responsibilities including but not limited to supply market analysis, PQQ / ITT evaluation, Tender Event Schedule pipeline development
• Support the Strategic Sourcing team with working in cross functional teams, engaging with colleagues in functions such as finance, legal, operations, technical, supply chain to assist in the development and delivery of procurement strategies and sourcing outcomes
• Support the implementation of strategic Supplier Relationship Management (SRM) and supplier development to drive supplier performance improvement throughout the project.

Nuclear Safety Accountabilities

This post will not have nuclear safety responsibilities.

Dimensions

• Managing internal and external reporting requirements.
• Managing internal and external stakeholders.
• Financial (For example: Investments, Funding, Budget or Programme costs)
• Procuring Supply Chain Packages in excess of £1m.
• Risk (for example Capital, Project or Performance risks)
• A basic understanding of project risk and how risk is transferred in a contract.
• Supporting the strategic procurement proces