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

Cedar; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading construction management firm is seeking an experienced Interim QS/Commercial Manager to lead change management on a major infrastructure programme in London. The role requires a strong background in quantity surveying and NEC3 contracts, ideally within large-scale projects. Strong communication and negotiation skills are essential. The position offers competitive daily pay and the opportunity to work on significant infrastructure developments.

Qualifications

• 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 stakeholders.

Responsibilities

• Lead the commercial management of change, value engineering, and optioneering.
• Manage compensation events, entitlement, and NEC3 contract administration.
• Collaborate with construction and technical teams.
• Liaise with the client on commercial change items.
• Lead change forums and commercial reporting.

Skills

Change management

Cost mitigation

Negotiation

Communication

Education

Degree in quantity surveying or commercial management

Tools

NEC3 Option C

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