Senior Strategic Sourcing Manager in London

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 strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time and cost of around 20%. The CCO will need to be guided by and incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C's ambition.

Following Financial Completion and Revenue Commencement, Sizewell C is fully funded and is owned by; The Secretary of State for Energy Security and Net Zero representing HM Government, La Caisse, Centrica, EDF and Amber Infrastructure. Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK's largest and most important energy projects.

Location: London, Bristol, with travel to Suffolk (every 4-6 weeks) required.

Contract: Permanent, full-time.

Closing Date: Friday 12th June 2026

What’s in It for You

• Salary: circa £82,000 per annum, depending on experience
• Bonus: 5% annual incentive
• Pension: Up to 7.5% employee / 15% employer contribution
• Leave: 28 days holiday plus bank holidays

Your Impact

As Senior Strategic Sourcing Manager you will be responsible for implementing category management strategies across Site Delivery and the broader Sizewell C (SZC) project. The role focuses on proactively developing and delivering sourcing solutions in partnership with the Civils Works Alliance (CWA), ensuring alignment with project requirements and commercial objectives. This position leads the coordination and development of category strategies in line with the Tender Events Schedule, supporting effective framework management to drive supply base innovation, efficiency, and productivity across the programme.

Working collaboratively with cross‑functional teams — including Project Managers, Finance, and Project Controls — the Senior Strategic Sourcing Manager ensures all procurement activity is delivered in accordance with Sizewell C's Acquire Goods and Services (AGS) processes and governance. Managing procurements ranging from £1 million to £200 million, the role demands strong commercial acumen, strategic thinking, and stakeholder engagement to secure best‑value outcomes and contribute to the successful delivery of the project.

Principal Accountabilities, Activities and Decisions

• Develop and implement category management strategies based on value and complexity, through its full lifecycle, with support from multi‑disciplinary teams.
• Align strategic approaches with organisational level commitments including Net Zero Carbon and Social Value.
• Develop the appropriate category management frameworks over time to deliver the required supply base innovation and productivity performance.
• Responsible for identifying and delivering savings/efficiencies both in terms of cost and productivity.
• Contribute towards carbon reduction initiatives linked to opportunities highlighted in category strategies and through other ESG‑led workstreams.
• Line management of Procurement Managers and assistants (where applicable), providing support, guidance and training to fulfil their roles and develop the team.
• Responsible for the development of the procurement documentation from expression of interest through to contract award.
• Investigate supplier capabilities to identify emerging developments and supplier solutions for continuous improvement.
• Ensure all activities are carried out in compliance with Sizewell C's Acquire Goods and Services (AGS) procurement processes and procedures.
• Facilitate the implementation of strategic Supplier Relationship Management (SRM) and the new Supplier Development programme to increase supplier capability and drive performance improvement throughout all project programmes.
• Work in cross‑functional teams, collaborating with functions such as finance, legal, operations, technical, supply chain to develop and deliver effective procurement strategies and sourcing outcomes.

Knowledge, Skills, Qualifications & Experience

• Extensive strategic sourcing / category management development and implementation experience across high value, complex supply chain categories.
• Experience in leading end‑to‑end procurement cycles within a regulated environment.
• Experience of developing and embedding SRM and supplier performance measurement activities.
• Strong stakeholder influencing skills across various levels of seniority.
• Strong attention to detail, accuracy and adherence to governance processes.
• Good negotiating, influencing and communication skills.
• Strong inter‑personal skills and ability to work within a multi‑disciplinary team.
• Strong oral and written presentation skills.
• Demonstrable understanding of collaborative working with internal and external stakeholders.

Desirable

• Construction or Nuclear experience.
• NEC contract experience.

Qualifications & Experience

• Supply Chain and Procurement Degree or similar.
• MCIPS accreditation or working towards accreditation or similar.

Behavioural Competences

• Humility: Recognise the value brought from different cultures and experiences. Be open to others' 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.

When joining Sizewell C, you may wonder why you are contacted by colleagues with an EDF email or see the EDF logo on portals that you access and/or documentation you receive; this is because we have partnered with EDF for the provision of a number of support services whilst we complete a successful transition out of the EDF group. At Sizewell C we encourage and embrace diversity and how it can improve our experience and performance at work. It is a requirement that those who join us have the right to work in the UK. Whilst sponsorship may be a possibility that we can explore, we are fully committed to local recruitment where possible, and those already holding the right to work in the UK. To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.