Environmental Site Auditor in Oxford

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.

Location and Working Arrangements

This position will be working hybrid from one of our Thames Water sites in the London area. Possible sites include
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. While these sites are base locations, you can also work from home or be office‑based.

Driving Licence and Salary

A full driving licence is required for this position. The salary for this role is between £50,000 and £55,000, dependent on experience.

Essential Criteria

• An understanding of environmental legislation and permits
• Knowledge of wastewater pumping and treatment processes
• Competence using 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

• Experience working 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
• Auditing qualification

Benefits

• Competitive salary of £50,000–£55,000 per annum
• Annual leave – 26 days per year, increasing to 30 days after long‑service, plus bank holidays
• Performance‑related pay plan linked to company performance measures and targets
• Generous pension scheme through AON
• Access to multiple health and wellbeing programmes, including annual health MOTs, physiotherapy and counselling, Cycle to Work schemes, shopping vouchers, and life assurance

Find out more about our benefits and perks.

Who are we?

We’re the UK’s largest water and wastewater company, with more than 16 million customers each day. We aim to build a better future for all by helping our customers, communities, people, and the planet thrive. It’s a big job and we need passionate, skilled people to help us achieve the required transformation.

Learn more about our purpose and values

We’re committed to being a great, diverse, and inclusive workplace. We welcome applications from everyone and want to support you throughout the recruitment process. If you need adjustments, we’ll provide extra time, accessible formats, and any other assistance you need.

Working at Thames Water

Thames Water is a unique, rewarding, and diverse place to work, where everyday you’ll make a difference. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements, and excellent benefits.

Support during crises

When a crisis happens, we rally to support our customers. As part of Team Thames, you have the opportunity to sign up to support customers on the frontline as an ambassador. Full training will be given for this rewarding experience and is a great opportunity to learn more about our business and meet colleagues.

Disclaimer

Due to the high volume of applications we receive, we may close the advert earlier than advertised. Please apply as soon as possible to avoid disappointment.