Water Treatment Technician



Water Treatment Technician | Field-Based | Commercial & Industrial Sites



Reports to



Operations Manager / Technical Manager - London

Field-based across client sites, including industrial, commercial, healthcare, education and FM-managed environments.


About the Role

This role would suit someone who enjoys a mobile, practical position, is confident working on occupied sites, and takes pride in delivering compliant, high-quality water treatment and water hygiene services.


What You''ll Be Doing



Key Responsibilities

• Monitor and adjust treatment programmes, including chemical dosing and control measures.
• Complete inspections, system surveys and routine compliance tasks in line with Legionella guidance and HSG274.
• Diagnose issues such as corrosion, scale, poor system performance or microbiological risk, and recommend corrective actions.
• Maintain dosing equipment, pumps, testing kits and associated water treatment plant.
• Produce clear service reports, logbooks and compliance records following site visits.
• Work safely at all times and follow risk assessments, method statements and site procedures.
• Build positive relationships with clients and support a professional, reliable service on every site.

What We''re Looking For

• Knowledge of commercial and industrial water systems, including sampling, dosing and monitoring.
• Understanding of UK compliance requirements and guidance, including ACOP L8 and HSG274.
• Ability to produce accurate service reports and maintain clear compliance records.
• Strong communication skills and confidence working directly with clients and site teams.
• Full UK driving licence and willingness to travel between sites.

Desirable

• Experience with cooling towers, closed system analysis, boilers, domestic systems or remedial works.
• Knowledge of dosing equipment, inhibitor and biocide control, and on-site testing methods.
• Experience working across healthcare, education, FM or large commercial estates.

Why Join Us?

You will join a supportive team delivering essential compliance and water safety services across varied sites. In return, you will have the opportunity to broaden your technical skills, work independently, build strong client relationships and develop your career in a growing specialist sector.

Apply now if you have water treatment or water hygiene experience and want a mobile role with real variety, strong career potential and the chance to make a direct impact on safety and compliance.