Senior Quantity Surveyor - Water in Warrington

Purpose and scope of the role:
Tetra Tech is seeking a Senior Quantity Surveyor to lead commercial delivery across major long‑term water industry frameworks in the North West. You will manage cost control, procurement and contractual matters for multi‑million pound capital projects from optioneering through to construction, working closely with project teams, clients and supply chain partners. Day‑to‑day responsibilities include preparing and reviewing estimates, negotiating contracts, certifying payments and managing claims and variations, while contributing to contracting strategy and commercial governance across programme interfaces.

Your impact in this position:
You will immediately strengthen commercial oversight and improve clarity of project cost positions. Over the medium term, you will lead sourcing and procurement for significant lots, drive cost‑saving initiatives and resolve complex contractual issues.

Core capabilities:

• Commercial estimation - Prepare detailed cost plans, resource and material schedules, and provide robust input to bids and feasibility studies.
• Procurement & contracting - Lead procurement processes, develop tender packs, evaluate bids, negotiate terms and support contract award and mobilisation.
• Contract administration & claims management - Manage progress payments, variations, claims and dispute resolution, ensuring compliant records and approvals.
• Cost control & financial reporting - Monitor expenditure, forecast costs, implement cost‑saving measures and maintain accurate financial reporting for projects and suppliers.
• Stakeholder engagement & leadership - Communicate commercial positions clearly to clients and project teams, mentor junior staff and promote knowledge capture and innovation.

Skills, qualifications and experience:
Expected: bachelor’s degree in a relevant discipline and a valid driving licence. Desirable: chartership or working towards it (ICS or similar) and formal commercial or procurement training.

Work patterns & locations:
Hybrid role with regular office presence in the North West (typical 2–3 days per week) and site visits as required. Flexible arrangements are considered to support delivery and wellbeing.

Why join Tetra Tech?

Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity.

We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.

In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role.

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