Powered by Water, Driven by Purpose
South West Water keeps the South West flowing with safe, reliable drinking water and wastewater services across some of the UK’s most stunning landscapes.
We’re proud to be part of Pennon Group, a leader in the UK water sector, working towards a greener future. Our goals? As well as lowering our carbon footprint, we’re working with partners to plant 300,000 trees, restore peatlands and supporting farmers and landowners to improve water quality and wildlife.
Whether you’re starting out or seeking a new challenge, our scale and ambition create opportunities for you to shape your own career.
Ready to make a splash? Join our team today.
Location: Mid–West Cornwall
Contract: Full-time, Permanent
Salary: £30,000 – £41,000 per annum + excellent benefits + progression
Are you passionate about protecting the environment and looking for a role where your work has a tangible impact every day?
We’re looking for a Wastewater Environmental Protection Technician (Chemical Dosing) to join our high-performing team across the West Region. This is a fantastic opportunity to play a key role in
As a key member of the team, you’ll ensure our chemical dosing operations are running efficiently and effectively across multiple sites. Your responsibilities will include:
Visiting wastewater treatment sites across your area (company vehicle provided)
Monitoring and optimising chemical dosing to ensure compliant effluent
Analysing chemical use data, identifying trends, and driving improvements
Checking, cleaning, and calibrating monitoring equipment and instrumentation
Investigating dosing performance and resolving issues promptly
Supporting local teams with seasonal adjustments and set point optimisation
Monitoring influent and effluent quality and reporting accurate results
Identifying and investigating any breaches in phosphate or metal parameters
Reporting on asset condition and ensuring timely fault resolution
Supporting risk assessments and safe operation of dosing activities
We’re keen to hear from candidates who have:
A minimum of 5 GCSEs (A–C or equivalent) including Maths, English and Science
Experience in a scientific, operational, or environmental role (preferred)
A full, clean driving licence
Knowledge or experience of chemical dosing or phosphate removal processes (advantageous)
Strong analytical and problem-solving skills
A proactive, team-oriented approach
A genuine passion for environmental protection
We value our people and are committed to supporting your development and long-term career. In return, you’ll receive:
Competitive salary with structured progression
Generous holiday allowance plus bank holidays
Jobs need van
Discretionary bonus scheme
Contributory pension
Sharesave scheme
Health and wellbeing benefits
Ongoing training and career development
Closing Date: 5th June 2026
We may close this vacancy early if we receive a high volume of applications. We encourage you to apply as soon as possible.
Please note that the successful candidate will be subject to a mandatory DBS check as part of the onboarding process.
Be yourself, we like it that way. Together, we will build a culture of belonging, where inclusion is instinctive. Diversity is our strength and a reflection of our communities. We care, we value everyone, we celebrate uniqueness.
Our core values, which are essential to our success, are:
Be Rock Solid - Build trust and be trusted. Be the one we all look to and can depend on.
Be You - We want you to bring your best everyday. Be yourself and make your mark in your individual way.
Be the Future - Embrace change. Drive Progress. Own the challenge.
