Environmental Site Auditor

Join to apply for the Environmental Site Auditor role at Thames Water
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Ready to make a real impact where it matters most? At Thames Water, we’re not just keeping taps flowing and toilets flushing for 16 million customers — we’re building a more resilient, sustainable future.

As an Environmental Site Auditor, you’ll be at the heart of that mission, leading site audits, supporting operational teams, and driving continuous improvement. If you’ve got a passion for the environment, strong stakeholder skills, and the drive to ensure we meet our commitments, this is your chance to help shape the future of water.

What you’ll be doing as an Environmental Site Auditor:

• Undertake site environmental and permit compliance audits as per the annual audit programme for your geographic region.
• Carry out audits on any permitted asset including Sewage Treatment Works, Pumping Stations, Water Treatment Works, Waste and Air emissions facilities.
• Provide support and training to operational teams so that they understand the requirements of the EMS.
• Support operational teams in preparation and during external audits.
• Create summary reports of your audits and present these back to Operational Managers.
• Highlight any non‑compliances and drive actions to completion in your region using the EMS.
• Provide regular reports on the progress of the audit programme within your region and key areas of risk/concern.

This position will be working hybrid from one of our Thames Water sites in the London area.

This can be any of the following sites:
Maple Lodge STW, Mogden STW, Hogsmill STW, Long Reach STW, Crossness STW, Beckton STW, Deephams STW, Bishops Stortford STW, East Hyde STW, Crawley STW, Guildford STW or London Water Production Sites.

Whilst these sites are base locations, you can also work from home or be office‑based.

A full driving licence is required for this position.

The salary for this position is between £50,000 - £55,000 depending on experience
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Essential criteria to help you succeed in this role

• An understanding of environmental legislation and permits
• Knowledge of wastewater pumping and treatment processes
• Can competently use a variety of software packages (e.g. Microsoft 365)
• Ability to write audit reports and actions
• Understanding of Health and Safety site requirements

Extra qualities that would be a great fit for our team

• Have worked on, or with, front‑line operational teams. (ideally Sewage Treatment Works, Water Treatment Works or Pumping Stations)
• Experience interacting with Regulators on operational sites.
• Experience working within ISO accredited management systems.
• Development of Power BI reports and Microsoft forms.
• Knowledge of sludge treatment processes.
• Knowledge of Pollution Prevention Control Principles.
• Qualification in an environmental or science‑related subject.

What’s in it for you?

• Competitive salary from £50,000 to £55,000 per annum.
• Annual Leave – 26 days holiday per year, increasing to 30 with 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 a wide range of benefits to support your health, wellbeing and finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

Who are we?

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us daily 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.

Purpose

and values

Learning more about our purpose and values.

Working at Thames Water

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.

We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that’s extra time, accessible formats, or anything else just let us know, we’re here to help and support.

Disclaimer:
Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Accounting / Auditing and Other

Industries

• Air, Water, and Waste Program Management

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