Lead Infrastructure Quantity Surveyor – Tunnels & Power

Carmichael UK; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Carmichael UK is seeking a Senior Quantity Surveyor to lead commercial management on a major infrastructure package for the London Power Tunnels project. You will own cost control, procurement, and final accounts, working with site teams to maximise profitability.

The role requires extensive experience on large infrastructure schemes, NEC contracts, and strong negotiation skills. You will mentor junior staff and ensure governance and accurate reporting.

Qualifications

• Degree in Quantity Surveying, Commercial Management or related discipline.
• Extensive experience on major infrastructure projects as QS or Senior QS.
• Experience with NEC3/NEC4 contracts.
• Experience managing subcontract packages and commercial risk.
• Excellent negotiation and stakeholder management skills.

Responsibilities

• Lead the commercial management of allocated project packages from procurement through to final account.
• Prepare, manage and maintain accurate cost reports, forecasts and CVRs.
• Manage subcontractor procurement, tendering, negotiation and appointment processes.
• Administer subcontract agreements and ensure contractual compliance.
• Assess and certify subcontractor applications for payment.
• Prepare and submit client applications, valuations and compensation events.
• Identify, manage and mitigate commercial risks and opportunities.
• Provide accurate forecasting of project costs and cash flow.
• Support change management processes and negotiate variations.
• Work closely with operational teams to maximise project performance and profitability.
• Prepare and agree final accounts with clients and subcontractors.
• Ensure compliance with company governance procedures and commercial controls.
• Mentor and support Assistant Quantity Surveyors and Quantity Surveyors within the team.

Skills

NEC3 & NEC4 contracts

Subcontract management

Negotiation skills

Stakeholder management

Financial reporting

Microsoft Office

Commercial awareness

Driving licence

Education

Degree in Quantity Surveying or related discipline

Tools

Commercial management systems

Job description

Carmichael UK is seeking a Senior Quantity Surveyor to lead commercial management on a major infrastructure package for the London Power Tunnels project. You will own cost control, procurement, and final accounts, working with site teams to maximise profitability.

The role requires extensive experience on large infrastructure schemes, NEC contracts, and strong negotiation skills. You will mentor junior staff and ensure governance and accurate reporting.