Commercial Manager

Overview

As Commercial Manager, you will steer commercial performance across a portfolio of high-value infrastructure contracts on a major nuclear infrastructure programme. You’ll work with Project Managers, Finance, Project Controls and the wider delivery team to manage NEC/FIDIC contracts, change, risk, payments and claims. Your role involves governance, budget control and robust reporting to support on-time, on-budget project delivery. This is a collaborative, cross-functional environment where you’ll help resolve contractual issues and drive value in a regulated, complex setting. The opportunity combines high-profile project impact with strong governance and stakeholder engagement.

Responsibilities

• Provide commercial management across a portfolio of high-value contracts.
• Manage contracts post-award and during execution.
• Support project teams with commercial decision-making and risk management.
• Oversee NEC and/or FIDIC contract changes, payments, and claims.
• Support management of supply chain packages >£10m.
• Oversee Early Warning process for contractual deadlines and governance.
• Assist in resolving contractual claims and disputes.
• Manage contract change with accurate budget reporting and forecasting.
• Support close-out of final accounts.
• Maintain relationships with contractors, suppliers and internal stakeholders.
• Ensure contract administration aligns with governance, delegated authorities and IMS.
• Collaborate with Finance, Project Controls, Supply Chain and Programme Delivery for consistent reporting.
• Capture commercial lessons learned through contract lifecycle.
• Support ESG delivery across the programme.

Key requirements

• Proven experience in commercial management of major infrastructure or construction projects.
• Strong NEC contract experience; FIDIC experience is advantageous.
• Experience managing high-value, complex supply chain contracts.
• Strong knowledge of change management, compensation events, payments, claims and final accounts.
• Experience managing multiple contracts and stakeholders simultaneously.
• Excellent commercial, contractual and financial management skills.
• Ability to operate in a complex, multi-disciplinary project environment.
• Strong communication and stakeholder management skills.
• Experience in regulated or major programme environments is advantageous.

• Strong communication
• Stakeholder management
• Cross-functional collaboration
• NEC contracts
• FIDIC contracts
• Change management

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