Location
South West London - Ashford Common (TW15 1RU), Hampton (TW12 2ES) & Walton-on-Thames (KT12 2EG)

Hours
36 hours per week (Monday to Friday), plus inclusion on an out-of-hours rota with additional payment

Salary
£46,000 to £58,000 per annum, depending on skills and experience

About the Role
Thames Water is seeking an experienced and motivated Senior Process Scientist to join our fast-paced West London team. In this pivotal role, you will have a positive and tangible impact on the water quality for the Capital's drinking water. You will play a central role in ensuring improvements, resilience planning, future protection of public health, and efficient water treatment operations.
The purpose of this role is to maintain water quality efficiently from the source to service reservoirs and to respond promptly and effectively to incidents, events, and performance shortfalls. You will work within a small team of Process Scientists providing technical support to ensure compliance and champion optimisation initiatives to reduce costs or improve quality at no additional cost.
Key responsibilities include:
- Monitoring water quality from the source to the service reservoir
- Investigating water quality failures/events at company assets and escalating to the Drinking Water Safety Plan (DWSP)
- Providing recommendations to internal and external departments to prevent future events/failures
- Offering technical support to Production and Capital Delivery schemes to meet water quality requirements
- Supporting internal water treatment works audit processes (DWSP) and conducting treatment reviews
- Representing the company in stakeholder meetings to build awareness internally and externally
- Undertaking out-of-hours technical support on a one-in-six rota, with appropriate training provided

Experience
Qualified to degree level in an appropriate discipline with postgraduate experience or equivalent industrial experience in a related field. Experience in water science or process engineering within a regulatory framework is advantageous. Awareness of Industry Best Operating Practice related to potable water treatment and transmission is beneficial.

About you
An enthusiastic self-starter with an inquisitive mindset who enjoys investigative work. Strong organisational, communication, and interpersonal skills are essential as the role involves liaising with internal stakeholders daily. Ability to work logically and analytically while maintaining a positive and professional approach when dealing with customers. Travel to multiple sites is required; therefore, a valid UK driving licence is essential. Transport will be provided.

Qualifications
Degree qualification in an appropriate discipline or equivalent industrial experience. Valid UK driving licence is required.