Senior Quantity Surveyor

Senior Quantity Surveyor - Contract Contract: Inside IR35 Location: London Working Pattern: Hybrid - minimum 3 days per week in the office/site, with 2 days working from home The Opportunity We are currently looking for…

Inside IR35 Hybrid Engineering
Contract type Contract
Posted 7 September 2026

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About this contract

Senior Quantity Surveyor - Contract

Contract: Inside IR35
Location: London
Working Pattern: Hybrid - minimum 3 days per week in the office/site, with 2 days working from home

The Opportunity

We are currently looking for an experienced Senior Quantity Surveyor to join a major infrastructure works

This is a contractor-side commercial role, so candidates must have previous experience working for a Tier 1 or Tier 2 main contractor. Client-side QS or commercial backgrounds will not be suitable for this position.

The successful candidate will have a strong background in civil engineering and/or rail infrastructure, with proven experience managing subcontractor accounts and working with NEC contracts.

Key Responsibilities

Administer NEC contracts in line with contractual and project requirements.
Manage subcontractor accounts, including valuations, applications for payment, variations, compensation events and final accounts.
Monitor project costs, expenditure and forecasts, identifying commercial risks and opportunities.
Prepare and maintain accurate monthly commercial reports.
Review subcontractor applications and supporting documentation.
Support the preparation, negotiation and agreement of subcontractor final accounts.
Identify commercial risks and opportunities and ensure these are communicated to the wider project team.
Work closely with Project Managers, Site Managers, Engineers, Planners and other members of the commercial team.
Provide commercial advice and support to the project delivery team.
Assist with forecasting, cost control and cash-flow management.
Maintain accurate commercial records and ensure contractual notices and documentation are issued appropriately.
Build and maintain effective working relationships with subcontractors and project stakeholders.
Contribute to the overall commercial strategy and successful delivery of the project.Essential Experience

Minimum 3 years' experience working at Senior Quantity Surveyor level.
Strong background working for a Tier 1 or Tier 2 main contractor.
NEC contract experience is essential.
Proven experience managing subcontractor accounts and packages.
Experience within major infrastructure projects.
Background in civil engineering and/or rail infrastructure.
Strong commercial reporting, forecasting and cost-control experience.
Experience managing variations, change, compensation events and final accounts.
Strong understanding of commercial and contractual processes.
Excellent communication, negotiation and stakeholder-management skills.
Ability to work independently while also operating effectively within a wider project team.
CSCS White Card or relevant equivalent.
Experience working on major rail or civils infrastructure schemes.
Experience managing complex subcontract packages.
Strong NEC commercial and contractual knowledge.
Experience working within large, multidisciplinary project teams.
Experience of working in a major tunnel or underground infrastructure environment.

Qualifications & Site Requirements

Relevant Quantity Surveying/commercial qualification or equivalent experience.
CSCS White Card required.
Candidates who do not currently hold the required CSCS card may be able to apply through the MAP Test route, subject to the relevant requirements.
Relevant health & safety training is desirable.

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status

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