Nuclear Commercial Lead (Contracts & Procurement)

Amentum; Lakenheath; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Amentum is seeking a Commercial Manager for the Sizewell C project to lead commercial management across the contract lifecycle, from procurement to close-out. You will act as the primary commercial contact, supporting governance, supplier relationships, risk management and commercial outcomes.

The role requires strong experience in major projects, NEC/FIDIC contracts, and effective stakeholder engagement within highly regulated sectors. Hybrid working arrangements in the UK are available.

Qualifications

• Strong contract management on major projects.
• Knowledge of NEC and FIDIC contracts.
• Experience with procurement, negotiations, contract administration, claims and risk management.
• Excellent stakeholder management, communication and influencing skills.
• Sound financial and commercial decision-making capabilities.
• Understanding of UK regulatory and construction environments.
• Experience in regulated sectors such as nuclear, energy, infrastructure or construction is desirable.

Responsibilities

• Manage commercial aspects of assigned contracts from pre-award to close-out.
• Support procurement activities including ITTs, tender evaluations, negotiations, and contract award.
• Administer NEC/FIDIC contracts, including change control, claims, risks, and reporting.
• Build and maintain strong supplier, contractor, and stakeholder relationships.
• Ensure compliance with governance processes and business objectives for SZC.
• Produce commercial dashboards, reports, and contract records.
• Support and develop Supply Chain Assistants.
• Collaborate with Procurement, Legal, Project Controls, and Delivery teams.

Skills

Contract management

NEC/FIDIC contracts

Procurement negotiations

Stakeholder management

Financial & commercial decisions

UK regulatory environment

Nuclear/energy sector experience

Education

Degree in QS/Commercial Management/Engineering

RICS/CICES/CIOB membership (preferred)

Job description

Amentum is seeking a Commercial Manager for the Sizewell C project to lead commercial management across the contract lifecycle, from procurement to close-out. You will act as the primary commercial contact, supporting governance, supplier relationships, risk management and commercial outcomes.

The role requires strong experience in major projects, NEC/FIDIC contracts, and effective stakeholder engagement within highly regulated sectors. Hybrid working arrangements in the UK are available.