Procurement Assistant Commercial Manager - Hybrid

Sizewell C Limited; Greater London; Hybrid; GBP 42,000 - 47,000; Full time

Benefits offered by this job

Bonus: 5% annual incentive

Pension: Up to 7.5% employee + 15%

Holidays: 28 days + BH

Ongoing professional development

Cycle-to-work scheme

Employee discounts

Job summary

Sizewell C in London is seeking an Assistant Commercial Manager to support end-to-end procurement across Corporate Functions, with hybrid working flexibility and travel to the London office 2–3 days per week, as required.

You will help develop procurement strategies, manage contracts and supplier engagement, and build relationships with stakeholders while ensuring governance and compliance across the project. This role offers growth within a high-impact energy initiative.

Qualifications

• Experience in procurement in Professional Services, Legal, Insurance, Business Intelligence categories would be preferential.
• Strong stakeholder management and communication skills.
• Experience in corporate functions procurement and contract negotiation.
• Solid understanding of commercial law and contractual terms.
• Proven ability to manage high-value, multi-disciplinary contracts.
• Member or student member of CIPS (preferred).
• Experience working in cross-functional teams and advising senior management.

Responsibilities

• Lead and support procurement processes from strategy to contract award.
• Manage commercial aspects of contracts during execution.
• Build trusted relationships with internal stakeholders to support pipeline development.
• Ensure compliance with SZC’s procurement policies and governance.
• Collaborate with legal teams on contract terms and NDAs.
• Develop RFP/RFQ packages and manage supplier engagement.
• Maintain accurate procurement records and reporting dashboards.
• Drive lessons learned and continuous improvement across procurement activities.

Skills

Stakeholder management

Communication

Cross-functional teams

Contract negotiation

Commercial law

CIPS (preferred)

Job description

Sizewell C in London is seeking an Assistant Commercial Manager to support end-to-end procurement across Corporate Functions, with hybrid working flexibility and travel to the London office 2–3 days per week, as required.

You will help develop procurement strategies, manage contracts and supplier engagement, and build relationships with stakeholders while ensuring governance and compliance across the project. This role offers growth within a high-impact energy initiative.