Commercial

Hargreaves Industrial Services Limited; Sizewell; On-site; GBP 120,000 - 150,000; Full time

Job summary

Hargreaves Industrial Services Limited in Sizewell is seeking a Commercial Manager to lead the commercial governance and financial management of the Sizewell C FTP/PWP project from design through handover. You will manage NEC contracts, develop budgets and cost plans, monitor performance, and lead risk and opportunity management while engaging with senior stakeholders.

The role requires a minimum of 10 years in major infrastructure, strong leadership, and professional membership in

Qualifications

• Minimum 10 years in commercial management for major infrastructure projects.
• Significant NEC contract management experience with cost forecasting and change control.
• Degree in Quantity Surveying, Commercial Management, Construction Management, Law, Engineering or a related discipline.
• MRICS, MCICES, MCIOB or equivalent professional membership, or working towards.
• Proven leadership of commercial teams, suppliers and stakeholders.
• Strong forecasting, risk management and financial reporting skills.
• Experience on projects valued at £20m+.

Responsibilities

• Lead the commercial management of major infrastructure projects from design through to handover.
• Manage NEC contracts, compensation events, variations and contractual compliance.
• Develop and maintain project budgets, forecasts and cost plans.
• Monitor commercial performance and identify cost-saving opportunities.
• Manage subcontractor and supplier relationships, including procurement and tenders.
• Lead commercial risk and opportunity management activities.
• Support claims avoidance, dispute resolution and governance.
• Produce commercial reports, cashflow forecasts and performance metrics for senior stakeholders.

Skills

Commercial management

NEC contract management

Budgeting & forecasting

Stakeholder leadership

Financial reporting

Risk management

Project value £20m+

Nuclear/Water infra experience

Education

Degree in Quantity Surveying

MRICS / MCICES / MCIOB or equivalent

Engineering or related discipline

Job description

Location: On site / Sizewell, Leiston, UK
job type: Permanent / Full-time
Sector and subsector: Engineering | Administration
Salary: Competitive salary

CONTRACT TYPE: PERMANENT

SALARY: COMPETITIVE

CLOSING DATE: 16 TH OCTOBER 2026

The Commercial Manager is responsible for the commercial leadership, governance and financial management of the Foul Treatment Plant (FTP) and Potable Water Plant (PWP) project at Sizewell C Nuclear Power Station from concept design through procurement, construction, commissioning and final handover.

The role will ensure the project is delivered in accordance with contractual requirements, commercial objectives, budgetary controls and programme commitments while protecting the commercial interests of the business and supporting successful project delivery.

The role briefly encompasses the following duties but is not limited to: -

• Leading the commercial management of major infrastructure projects from design through to final handover.
• Managing NEC contracts, compensation events, variations and contractual compliance.
• Developing and maintaining project budgets, forecasts and cost plans.
• Monitoring commercial performance and identifying cost-saving opportunities.
• Managing subcontractor and supplier relationships, including procurement and tender evaluations.
• Leading commercial risk and opportunity management activities.
• Supporting claims avoidance, dispute resolution and commercial governance.
• Producing commercial reports, cashflow forecasts and performance metrics for senior stakeholders.

The ideal candidate will possess the following skills/experience/ attributes:

• Experience: Minimum 10 years' commercial management experience within major infrastructure, utilities, industrial, energy or construction projects.
• Commercial Expertise: Significant NEC contract management experience with strong knowledge of cost control, forecasting and change management.
• Qualifications: Degree in Quantity Surveying, Commercial Management, Construction Management, Law, Engineering or a related discipline.
• Professional Membership: MRICS, MCICES, MCIOB or equivalent professional membership, or working towards.
• Leadership: Proven ability to manage commercial teams, suppliers and key stakeholders.
• Analytical Skills: Strong financial reporting, forecasting and risk management capability.
• Project Experience: Demonstrable experience managing projects valued at £20m+.
• Desirable: Experience within nuclear, water treatment, wastewater treatment or major UK infrastructure programmes.