Thames Water
Principal Quantity Surveyor

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Principal Quantity Surveyor Opportunity
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 deliver life’s essential service to Customers.
What you’ll be doing as a Principal Quantity Surveyor
- Providing Commercial Assurance of Major Projects and Programmes Contracts.
- Providing Contractual advice and guidance to the delivery teams.
- Ensuring 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 carries 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 the 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 and conditions.
- Providing commercial support during the procurement of the contracts, including assisting in preparing tender documents.
- Ensuring 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.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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Base Location
Reading – Hybrid. Maple Lodge – Hybrid
Working Pattern or hours
36 Hours
What you should bring to the role
To thrive in this role, the essential criteria you’ll need are:
- 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.


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What’s in it for you?
- 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)
- Car Allowance.
- 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.
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