Commercial Contract Administrator

Hybrid - Clearwater Court - RG1 8DB
, Hybrid - Hampton Coal Wharf - TW12 2ES
, Hybrid - Maple Lodge (STW) - WD3 9SQ

Job title Commercial Administrator  Division Finance & Commercial Location Hybrid - Clearwater Court - RG1 8DB
, Hybrid - Hampton Coal Wharf - TW12 2ES
, Hybrid - Maple Lodge (STW) - WD3 9SQ
Contract type Permanent Full/Part-time Full-time Salary Competitive salary from £24,000 to £28,000 per annum, depending on experience Job grade A Closing date 16/02/2026

We have an exciting opportunity for a Commercial Administrator to become part of our growing Quantity Surveying Team, supporting a network of suppliers on our Capital Delivery Frameworks. You will work closely with experienced Quantity Surveyors playing an important role in processing payments applications and helping to assure the processes we use to delivery our projects.

This entry-level role is perfect for anyone who enjoys commercial administrative work, offering the change to develop key skills while working both independently and as part of a supportive team.

• Supporting with Commercial Administration of Major Projects and Programmes Contracts.
• Providing support on Contract Activities with support from Senior Staff for assigned Areas.
• Compiling and submitting Cashflow Forecasts for assigned Areas.
• Supporting Contract and Commercial Compliance Reviews including assurance of CEMAR and SAP Systems.
• Responsible for raising and tracking POs and payments to ensure they are made on time and in accordance with the Contract for your given Delivery Area and / or Contractors.
• Highlighting any potential risk or quality issues with Team commercial activities.
• Supporting the production of the Monthly Commercial Performance Reports.

• Practical Work Experience.
• Sharp Eye for Detail and strong focus on accuracy.
• Experience of working with data and learning new systems and tools.
• Organisational and Time Management Skills.
• Clear communication skills both in writing and in person.
• Be good at maintaining relationships.
• Awareness of commercial environment and requirements to manage contracts.
• Experience of working independently and managing tasks that support business processes.
• Ideally, some awareness of utilities and / or water sector.

• Competitive salary from £24,000 to £28,000 per annum, depending on experience
• Annual Leave - 24 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
• 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 passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water…