Trade Effluent Technologist

Hybrid
- Hockford (STW) - GU24 ODE, Hybrid
- Oxford STW - OX4 4YU
, Hybrid
- Reading (STW) - RG2 0RP
, Hybrid
- Swindon (STW)

Job title Trade Effluent Technologist  Division Asset Operations & Capital Delivery Location Hybrid
- Hockford (STW) - GU24 ODE, Hybrid
- Oxford STW - OX4 4YU
, Hybrid
- Reading (STW) - RG2 0RP
, Hybrid
- Swindon (STW) Contract type Permanent Full/Part-time Full-time Salary This role will be paid from £31,775 up to £44,000 per annum, depending on skills and experience. Job grade B Closing date 30/10/2026

This is a hands-on, customer-facing role focused on protecting the environment and public health by monitoring and controlling trade effluent discharges into the public foul sewer. You’ll work closely with businesses and internal operational teams, carrying out site visits, assessments, and investigations that help reduce risk to Thames Water’s assets, our people, and the environment.

• Completing reassessments of existing trade effluent dischargers in line with the Urban Wastewater Directive, ensuring discharge consents are accurate and charges are fair, including visiting customer sites to gather information for process understanding, volumetric assessment, pollution prevention, health & safety, and billing purposes.
• Managing trade effluent customers within a defined catchment area to support sewage treatment works compliance, pollution reduction, and leakage targets.
• Carrying out Surface Water Pollution Risk Assessments (SWPRA) to ensure residual chemical levels entering the environment after sewage treatment remain within safe limits.
• Working alongside operational teams and responding to incidents involving trade effluent customers.

• A background in laboratory chemistry, the water or wastewater industry, or a strong working knowledge of wastewater treatment and industrial processes, enabling you to understand data, compliance requirements, and operational impacts would be desirable
• A naturally analytical mindset with high levels of self-motivation, allowing you to manage your own workload effectively and adapt confidently when priorities or business needs change.
• Confidence in working within a physically demanding environment, including regular site and business visits, manual handling, and safely handling equipment as part of day-to-day activities.
• The ability to work effectively in a customer-facing role, building positive relationships while managing compliance and risk.
• A full driving licence and access to a suitable vehicle with space to carry PPE and essential equipment across the Thames Water catchment area.

Thames Valley
- Hybrid-based role with regular customer visits and office attendance to support meetings and collaboration.

• This role will be paid from £31,775 up to £44,000 per annum, depending on skills and experience.
• 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays)
• Generous Pension Scheme through AON.
• Access to lots of benefits to help you take care of yourself 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.

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

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…