Commercial Manager

Published
September 8, 2026
Location
Colchester, United Kingdom
Category Civil Engineering
Job Type Permanent Reference
AH04/09/26

COMMAN1 Salary
65000 - 85000 per annum Start date
 Contact Name
Aaqilah Harris Contact Email
a Description Commercial Manager / Senior Quantity Surveyor – Major Nuclear Infrastructure Project Suffolk / London / Bristol / Manchester - Hybrid Up to 80,000 plus company package

Permanent

Are you an experienced Commercial Manager or Senior Quantity Surveyor looking to play a key role on one of the UK's largest and most significant infrastructure projects?

We are looking for a commercially astute professional to support the delivery of a major nuclear infrastructure programme, working across Site Establishment and Off-Site Infrastructure activities. This is an excellent opportunity to manage high-value, complex contracts while working closely with Project Managers, Finance, Project Controls and the wider Programme Delivery team.

The Role As Commercial Manager, you will provide high-quality commercial management across a portfolio of complex contracts, supporting the successful delivery of major infrastructure works.

You will work with NEC and/or FIDIC contracts, managing commercial performance, change, risk, payments and claims throughout the contract lifecycle. Contract values can range up to 200m, making strong governance, change control and budget management essential.

Key Responsibilities
• Provide commercial management support across a portfolio of high-value infrastructure contracts.
• Manage and administer contracts during the post-award and execution phases.
• Support Project Managers and wider delivery teams with commercial decision-making and risk management.
• Manage commercial aspects of NEC and/or FIDIC contracts, including change management, payments and claims.
• Support the management of supply chain packages in excess of 10m.
• Oversee and manage the Early Warning process, ensuring contractual deadlines and governance requirements are met.
• Support the resolution of contractual claims and disputes.
• Manage contract change and ensure accurate budget reporting and forecasting.
• Support the successful agreement and close-out of final accounts.
• Maintain strong commercial relationships with contractors, suppliers and internal stakeholders.
• Ensure contracts are administered in line with governance procedures, delegated authorities and the Integrated Management System.
• Work closely with Finance, Project Controls, Supply Chain and Programme Delivery teams to ensure consistency and effective commercial reporting.
• Identify and capture commercial lessons learned throughout the contract lifecycle.
• Support the delivery of ESG requirements across the programme.

What We're Looking For We are looking for an experienced Commercial Manager with a strong background in delivering major construction, civil engineering or infrastructure projects.

You will ideally have:
• Proven experience in commercial management of major infrastructure or construction projects.
• Strong experience working with NEC contracts; FIDIC experience would also be advantageous.
• Experience managing high-value and 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.
• The ability to work effectively within a complex, multi-disciplinary project environment.
• Strong communication and stakeholder management skills.
• Experience working within highly regulated or major programme environments would be advantageous.

What's on Offer?

This is a fantastic opportunity to join a major, nationally significant infrastructure programme and play a key role in the commercial delivery of complex, high-value works.

You'll be joining a collaborative environment with the opportunity to work alongside experienced professionals across commercial, project delivery, finance, project controls and supply chain.

Interested? Apply now or get in touch for a confidential discussion.