Senior Quantity Surveyor

About Kilnbridge

Kilnbridge is the UK's leading structures specialist, delivering some of the country's most complex and iconic engineering, construction and infrastructure projects. Our expertise spans the full lifecycle of a structure - design, build, adapt, repair and protect -deliveredby four specialist operational businesses that combine seamlessly as One Kilnbridge to meet any project’s needs. We are purpose led, focused on building a sustainable and resilient future for the UK, with a reputation for technical excellence, safety and quality built over35 years. As an employee-owned business, our people are at the heart of everything we do - empowered to contribute, innovate and help shape our continued success.

If you want to make a meaningful impact, grow your career and join a team that values expertise and forward thinking, we’d love to hear from you.

The Opportunity

We're looking for an experienced Senior Quantity Surveyor to take the commercial lead on this high-profile project, managing commercial and contractual performance from mobilisation through to final account. You'll work closely with the Project Manager, client and delivery teams, playing a key role in the successful delivery of a significant and technically challenging scheme.

Key Responsibilities

• Take full commercial ownership of projects from handover through to final account, ensuring robust financial control and successful commercial outcomes.
• Develop, maintain and manage project budgets, cost plans, cash flow forecasts and monthly Cost Value Reconciliations (CVRs), providing clear analysis of performance, margins, risks and opportunities.
• Measure and value completed works, preparing interim applications for payment and ensuring all variations, materials on site and contractual entitlements are accurately captured and recovered.
• Manage project change control processes, including the identification, pricing, submission and agreement of variations, compensation events and other commercial submissions.
• Monitor project costs, productivity and resource expenditure, maintaining accurate records to support commercial performance, contractual entitlement and claims.
• Support the preparation and negotiation of claims, loss and expense submissions, extensions of time and final account agreements.
• Procure and manage subcontractors and suppliers throughout the project lifecycle, including tender enquiries, commercial assessments, subcontract drafting, account management and final account settlement.
• Assess subcontractor applications, prepare payment recommendations and ensure accurate administration of subcontract accounts.
• Work collaboratively with operational teams to identify commercial risks, mitigate cost overruns and maximise value recovery opportunities.
• Attend and contribute to client, commercial and supply chain meetings, supporting contract administration, notices, early warnings and contractual correspondence.
• Maintain project commercial records, risk and opportunity registers, and ensure all activities comply with Kilnbridge procedures, governance and reporting requirements.
• Provide commercial guidance to project teams and support the mentoring and development of Assistant Quantity Surveyors and Trainee Quantity Surveyors.

What you’ll need

We're looking for a Senior Quantity Surveyor, or an experienced Project Quantity Surveyor ready to step up, with a strong background in civil engineering, infrastructure or construction projects.

The Ideal Candidate Will

• Have experience managing project budgets, forecasting, CVRs and commercial reporting, with the confidence to take ownership of the commercial performance of a project.
• Be comfortable managing valuations, applications for payment, variations and final accounts throughout the project lifecycle.
• Have experience procuring and managing subcontractors, including payment assessments and account administration.
• Possess a strong understanding of cost control, commercial risk management and contract administration.
• Enjoy working collaboratively with operational teams to drive commercial and project success.
• Bring experience in groundworks, drainage, infrastructure and/or reinforced concrete works.
• Have worked on civil engineering, infrastructure, energy or data centre projects, or similar large-scale construction schemes.
• Be familiar with NEC and/or JCT forms of contract.
• Have experience working within self-delivery environments and an understanding of labour, plant and material cost management.
• Be confident producing first-principles estimates and developing rate build-ups.
• Ideally have held commercial responsibility for projects valued between £10m and £30m+.
• Hold a degree, HNC, HND or equivalent qualification in Quantity Surveying, Commercial Management or a related discipline, or be able to demonstrate equivalent industry experience.
• Demonstrate strong commercial awareness, analytical ability and reporting skills, supported by good working knowledge of Microsoft Excel and commercial management systems.
• Be a confident communicator and negotiator who can build effective relationships with clients, stakeholders and project teams.

Working Arrangements

This role is based on-site in Northamptonshire and requires regular site presence to support project delivery and commercial management. Limited flexible working may be available depending on project needs.

Why Kilnbridge?

With major projects delivered across the UK - from national infrastructure to clean energy, buildings and complex structural works - Kilnbridge offers the opportunity to work on schemes that leave a lasting legacy on the built environment. With a UK network of offices from London to Runcorn to Lisburn, we area trusted partner in some of the most highly regulated, constrained and demanding environments working with our customers to support the delivery of projects across the country.
We are proud to be an employee-owned organisation where every colleague has a real stake in our success and a voice in how we grow. Our culture is shaped by four core values - Responsibility, Integrity, Teamwork and Excellence - which guide how we work and support one another every day. This has created a workforce that has earned recognition on the Financial Times and Statistas Best UK employers 2026 list .
If you're driven by pride in your work, inspired by technical challenge and motivated to help deliver projects that shape communities across the UK, you will thrive at Kilnbridge.

Our Commitment to Inclusion

Kilnbridge is an equal opportunities employer and a proud member of the Disability Confident Scheme. We are committed to creating a diverse workplace where everyone is treated fairly with dignity and respect. We welcome discussions about flexible working and encourage applicants who may require reasonable adjustments at any stage of the recruitment process. We do not discriminate on the basis of race, religion, colour, national origin, sex, sexual orientation, gender identity or expression, age, disability, medical condition, pregnancy or marital status.

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