Principal Quantity Surveyor

Hybrid - Clearwater Court - RG1 8DB
, Hybrid - Maple Lodge (STW) - WD3 9SQ

Job title Principal Quantity Surveyor  Division Finance & Commercial Location Hybrid - Clearwater Court - RG1 8DB
, Hybrid - Maple Lodge (STW) - WD3 9SQ
Contract type Permanent Full/Part-time Full-time Salary Competitive salary from £76,000 to £86,000 per annum, depending on experience Job grade C Closing date 16/02/2026

We are thrilled to offer a Principal Quantity Surveyor an extraordinary opportunity to lead a dedicated team of Quantity Surveyors essential to supporting the successful delivery of Major Projects and Programmes in AMP8 at Thames Water. You will oversee a contractor programme value of up to £200m per annum in AMP8, playing a vital role in helping us delivery life’s essential service to Customers.

• Providing Commercial Assurance of Major Projects and Programmes Contracts.
• Providing Contractual advice and guidance to the delivery teams.
• Ensure cost management against the budget, highlighting commercial challenges early, including managing and reporting on contingency/risk.
• Management and development of Team Members, including their progression towards chartership.
• Accountable for ensuring that the Team carry out the following:
  • Challenging and agreeing on Project Tenders.
  • Ensuring that payments are made on time and in accordance with the Contract.
  • Assessing the Quantum of Change and/or Extension of Time.
  • Data Collection of Projects.
  • Auditing and agreeing on Project Accounts.
• Ensuring that appropriate processes are in place and monitored for your Delivery Area to ensure that Contractual Compliance is maintained and act as first point of escalation should any non-performance be identified and corrective actions implemented as necessary.
• Supporting procurement by ensuring Suppliers and Contractors are engaged under the most appropriate Terms & Conditions.
• Provide commercial support during the procurement of the contracts, including assisting in preparing tender documents.
• Ensure we always maintain financial governance and provide expert input to financial and contract governance proposals.
• Advising and supporting the management and optimisation of budgets and spending on the portfolio of Projects.
• Supporting the Principal and Managing Quantity Surveyor with the resolution of Claims as necessary.

• Hold a degree or a master’s in quantity surveying or equivalent.
• Have a background in working in the civil engineering sector, such as transportation, nuclear, utilities or similar fields.
• Be competent in line managing a small team and developing them to success.
• Experience in both pre & post contract quantity surveying duties.
• Strong Communication and negotiation skills are crucial, as well as the ability to bring numerous stakeholders together to bring opportunities to fruition.
• Self-starter, resilient and tenacious under pressure.

You will be a part of a highly professional Quantity Surveying team empowered to make decisions and responsible for all commercial aspects of their contracts.

• Competitive salary from £76,000 to £86,000 per annum, depending on experience.
• Annual Leave- 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays)
• Performance-related pay plan directly linked to company performance measures and targets.
• Generous Pension Scheme through AON.
• Private Medical Health Care.
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job and we’ve got a long way to go, so we need help from…