Quantity Surveyor (Maintenance)

Dŵr Cymru; Cardiff; Hybrid; GBP 47,000 - 55,000; Full time

Benefits offered by this job

Hybrid working model

34 days annual leave (pro rata)

Pension contributions up to 11%

Mileage and travel expenses

Training and coaching opportunities

Job summary

Dŵr Cymru Welsh Water is seeking a skilled Quantity Surveyor (Maintenance) to lead commercial management for Wastewater Network framework contracts across Wales. You will collaborate with Project Managers, engineers and contractors to deliver value for money and robust commercial controls.

The role requires NEC experience, strong analytical abilities, and excellent stakeholder engagement. Hybrid pattern with on-site and regional travel supports delivery across the South East Wales hub.

Qualifications

• Experience with NEC contracts.
• Strong analytical and financial reporting skills.
• Good communication and stakeholder management.

Responsibilities

• Provide cost management across Wastewater Network contracts and advise project teams.
• Manage cost analysis, valuations, certificates, target costs, compensation events and final accounts with contractors.
• Monitor expenditure against forecasts and KPIs; support accruals and monthly reporting.
• Identify commercial risks and assist with disputes and compensation events.
• Collaborate with Finance and operations to ensure accurate contract records in SAP.

Skills

NEC contracts

Wastewater contracts

Analytical skills

Stakeholder management

Regulatory knowledge

IT skills

Driving licence

Tools

SAP

Job description

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City: Cardiff

Address: Cardiff, Wales, GB, CF3 0LT

Job Requisition Number 9508

Work Type Permanent

Job Function Cost Management

Salary Range £47,492.00-£54,618.00

Base

South East Hub (Hybrid 3 days per week in South or North Wales office base - to be agreed at interview).

23:59 on 22 November 2026

What you’ll be responsible for

As our Quantity Surveyor (Maintenance), you’ll play a key role in the commercial management of our Wastewater Network framework contracts. Working collaboratively with operational teams, Project Managers, contractors and colleagues across the business, you’ll help ensure our contracts deliver value for money, strong commercial control and positive outcomes.

Your key responsibilities will include:

• Providing professional commercial and cost management expertise across Wastewater Network framework contracts, offering practical advice and guidance to Project Managers, Engineers, Service Managers and Operational Teams.
• Managing key commercial activities including cost analysis, valuations, payment certificates, target costs, compensation events and final accounts, working closely with framework contractors.
• Monitoring contract expenditure, activity and performance against forecasts, budgets and KPIs, providing accurate information to support monthly accruals, forecasting and reporting.
• Identifying and managing commercial and contractual risks, including early warnings, claims and compensation events, and supporting the resolution of commercial queries and disputes.
• Working collaboratively with Finance, operational teams, contractors and other colleagues to ensure accurate and timely financial information, cost allocation and contract records across SAP and other business systems.
• Supporting the effective delivery and continuous improvement of Wastewater Network contracts, ensuring appropriate governance and statutory, regulatory and business requirements are met.
• Carrying out site visits where required to understand and verify completed works, ensuring valuations, payments and contract information accurately reflect delivery.
• Using contract and performance insight to identify opportunities, share lessons learned and embed best practice, helping improve commercial performance and value for money across our contracts.

About you

We’re looking for someone with strong commercial and analytical skills who can work confidently with financial and contract information and build effective relationships with operational teams and service providers.

Essential Experience, Qualifications and Skills

You’ll have:

• Experience of working with NEC contracts.
• Wastewater Network contract experience would be beneficial, although this is not essential.
• Strong analytical skills, with the ability to interpret and present financial information to support effective business decisions.
• Good communication and stakeholder management skills, with confidence presenting information to management teams.
• The ability to interpret and apply relevant statutory and regulatory requirements.
• Strong IT skills, particularly across Excel, Word and PowerPoint.
• A full driving licence and the ability to travel regularly in line with business requirements.

Good to know

There are two positions available.

• Location:This role can be based in North or South Wales, which will be discussed during the interview process and based on your current location.
• Driving & Travel: Regular travel to sites within the agreed region will be required. Business mileage and fuel expenses can be claimed in line with company policy. A full driving licence is required.
• Working Pattern: Hybrid working, with a minimum of three days per week spent on site or in the office, and two days working remotely. This arrangement can typically be agreed directly with the successful candidate, although occasional travel will be required to attend meetings at various locations across Wales.
• Flexible working: We want to attract the right person to our team. If the working pattern doesn’t quite work for you, please don’t let that put you off applying. We’re happy to discuss flexible working at interview and have some flexibility around the working pattern for the right candidate.

As well as a market competitive salary, 34 days annual leave (pro rata, including public holidays), we offer a range of employee benefits and rewards including:

• Variable pay schemes (your salary band will remain the same, but performance depending, you could receive an incremental within-band increase and a yearly incentive)
• Option to buy additional annual leave up to 5 days per year
• Enhanced employer pension contributions - Up to 11% employer contributions
• Free Mortgage Brokering Services
• Enhanced family friendly policies
• Progression opportunities, including the ability to apply for funded training and coaching and mentoring programmes
• Gym and fitness discounts as well as high street shopping
• Cycle to work scheme
• Discount off all Welsh Water visitor attraction centres and gift shops
• Car-leasing scheme and free on-site parking at all sites
• Health CashBack scheme and access to an online GP service
• An employee assistance programme for employees and their immediate family
• Many more can be found on our website!

Who we are

Dŵr Cymru Welsh Water keep 3 million people healthy each day with safe, reliable water, and take away wastewater to clean, before returning it safely to our beautiful rivers and seas.

To be able to deliver high quality, essential services which help to protect the health of our customers, colleagues and our environment, we need the right people to deliver on our vision. This is achieved by living our core values and demonstrating the core behaviours that underpin them. The security of our people, assets and information is key to us, so we are looking for people who understand and comply with the company’s required security objectives.

We know that the most successful teams are the most diverse teams. Equality, diversity and inclusion provide the very foundation to our culture at Welsh Water. We want every individual to feel confident, proud and able to bring their whole selves to work.

To ensure an improved representation in our workforce, applications are particularly welcome from minority groups including Black, Asian and Minority Ethnic people, Females, LGBT+, Non-binary and people with disabilities. Together we continue to build a workplace that not only celebrates the diverse voices of our colleagues but also represents each customer we serve.

In essence, ours is a company based on trust, openness, respect, commitment and honesty. A company that our colleagues are proud to work for.

Dŵr Cymru Cyf, a limited company registered in Wales No. 2366777. Registered office: Linea, Fortran Road, St. Mellons, Cardiff CF3 0LT

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