Commercial Manager – Infrastructure (M&E) RICS/CIOB

Cedar; London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading infrastructure firm is seeking an Interim QS/Commercial Manager in London to lead Change Management on a major infrastructure programme. The ideal candidate will have a degree in quantity surveying or commercial management, with extensive experience in NEC3 contracts and managing complex change in large-scale projects. This role offers a daily rate of £500-£600 for a duration of 6 months.

Qualifications

• Experienced in leading commercial management on major infrastructure projects.
• Deep understanding of NEC3 contracts, especially Option C.
• Strong analytical skills with a focus on cost and change management.

Responsibilities

• Lead the commercial management of change, value engineering, and optioneering.
• Manage compensation events, entitlement, and NEC3 contract administration.
• Collaborate with teams to drive commercially viable outcomes.
• Liaise with the client on all commercial change items.
• Lead change forums, risk reduction meetings, and commercial reporting.

Skills

Change management

Cost forecasting

NEC3 contract knowledge

Excellent communication

Negotiation skills

Education

Degree in quantity surveying or commercial management

Job description

Interim QS/Commercial Manager (Change Lead) – Infrastructure | £500-£600/day | Outside IR35 | London | 6 Months

We’re hiring for a driven and experienced Commercial Manager (or Senior Commercial Manager) to take a lead role in Change Management on a major infrastructure programme in London.

This role is perfect for a commercial professional with a quantity surveying background, excellent working knowledge of NEC3 Option C, and experience managing complex change, value engineering and cost mitigation in large-scale infrastructure or MEP-heavy environments.

️ What You’ll Be Doing:

• Lead the commercial management of change, value engineering, and optioneering
• Manage compensation events, entitlement, and NEC3 contract administration
• Collaborate with construction and technical teams to drive commercially viable outcomes
• Liaise with the client and ensure upstream agreement on all commercial change items
• Lead change forums, risk reduction meetings, and commercial reporting
• Develop metrics, dashboards, and cost control processes for change activities
• Provide contractual advice, manage communications, and maintain full governance compliance

What We’re Looking For:

• Degree-qualified in quantity surveying or commercial management

• Experience on major infrastructure and MEP-heavy projects

• Deep understanding of NEC3 contracts, especially Option C

• Strong change management, cost forecasting, and reporting skills

• Excellent communication and negotiation ability with internal and external stakeholders

• Commercially astute, detail-oriented, and solutions-focused

• Experience in claims, dispute resolution, and UK contract law

• Collaborative and adaptable mindset with the ability to lead junior team members

Apply now or message for a confidential chat about the role.

Tagged as: MRICS CIOB