Job Description

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Strategic Sourcing Manager
Sizewell C

Location: London, Bristol, Suffolk or Manchester, hybrid basis with travel required.
Expectation: for regular travel to London office (once per week) and Site office in Suffolk (every 4-6 weeks)
Contract: Permanent, full-time. 
Closing Date: Thursday 28th May 2026

What’s in It for You

Salary: Starting £65,000+ 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

The Strategic Sourcing Manager will lead the implementation of effective category management across the Sizewell C Site Delivery function and the wider project. The role is responsible for developing and coordinating robust category strategies and implementing the appropriate commercial frameworks to drive supply chain innovation, productivity, and long‑term value for the project.

Working closely with multi‑disciplinary stakeholders—including Project Managers, Finance, and Project Controls—the Strategic Sourcing Manager will ensure that all procurements are delivered in full compliance with Sizewell C’s Acquire Goods and Services (AGS) processes and procedures. The role will manage high‑value and complex procurements, including contracts valued £100m and above.

Given the scale and strategic importance of these procurements, the Strategic Sourcing Manager must be highly commercially astute, able to influence and engage senior stakeholders, and capable of securing best‑value outcomes that support the successful delivery of the Sizewell C project.

Principal Accountabilities, Activities and Decisions

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

• Development of category strategies based on value and complexity, which align to organisational priorities, market conditions and business needs
• Ensure category strategies are aligned to the strategic sourcing pipeline and agreed with the Senior Strategic Sourcing Manager
• Leading the end-to-end procurement process to deliver the category strategy outcomes (from Expression of Interest (EOI), Pre-Qualification (PQQ), Invitation to Tender (ITT) and commercial contract negotiations.
• Identifying/reporting strategic objectives and cost reduction targets against addressable spend. Capturing best practice through benefits case studies highlighting improved safety, increased productivity, /performance, innovation and efficiencies.
• 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 Environmental, Social & Governance (ESG) led workstreams
• Promote and enhance use of social value / social enterprises wherever possible through tender activity and contractual commitments
• Ensuring the end-to-end procurement process adheres to the AGS and Signature of Contract (SOC) deadlines including accurate and timely reporting of key milestones
• Building the supply market analysis; investigating supply chain capability to identify emerging innovations and improvement opportunities to shape the development of category strategies
• Facilitating the strategy approval and AGS governance process through each stage gate review
• Facilitating the implementation of category strategies through strategic Supplier Relationship Management (SRM) and supplier development once strategies and frameworks are in place
• 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

• MCIPS accreditation or working towards accreditation or similar
• 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
• Strong stakeholder influencing and Communication skills across various levels of seniority
• Strong attention to detail, accuracy and adherence to governance processes
• Ability to manage multiple projects and competing priorities effectively.
• Strong inter-personal skills and ability to work within a multi-disciplinary team
• Management skills with a track record of development within teams
• Demonstrable understanding of collaborative working with internal and external stakeholders.

Desirable

• Construction or Nuclear experience
• NEC contract experience
• Complex infrastructure project experience

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. Applications may close early due to high volume.