Senior Strategic Sourcing Manager (Sizewell C)

The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.

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

Contract: Permanent, full-time.

Closing Date: Thursday 11th 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 £1m to £200m, 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 development of 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 able 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 other’s 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.

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.