Water Hygiene & Treatment Technician

Job advert – Water Hygiene & Treatment Technician

Job title: Water Hygiene & Treatment Technician

Location: Mobile role covering London and the surrounding counties – (M25)

Salary: £27,500 – £32,000 per year (depending on experience)

Hours: Full-time, Monday–Friday, 08:00–17:00 (1‑hour lunch)

About Evolution Water Services

Evolution Water Services Ltd is a market leader in the water treatment and air hygiene industry, providing high‑quality water treatment, water hygiene, consultancy and legionella training services throughout the UK. We work across hospitals, commercial and industrial sites, and large education estates, delivering safe, compliant and reliable water systems for our clients.

Due to continued growth, we are looking for an experienced Water Hygiene Technician to join our team in a mobile role covering London and the surrounding counties.

The role

This is a field‑based role for an experienced water hygiene professional who is confident working on client sites and wants to continue developing their skills. You will carry out a range of water hygiene and compliance tasks, helping clients meet HTM04‑01, HSG274 and other relevant standards.

Key responsibilities

• Carry out routine water hygiene monitoring, including temperature checks and compliance tasks in line with HTM04‑01 and HSG274.
• Clean and descale showers and other water outlets.
• Collect water samples for laboratory analysis.
• Perform closed system dosing works as required.
• Maintain and service TMVs (Thermostatic Mixing Valves).
• Inspect water tanks and carry out disinfection and chlorination works.
• Analyse chlorine dioxide levels in water systems.
• Complete all paperwork and electronic reports accurately and on time.
• Communicate professionally with clients on site and represent Evolution Water Services to a high standard.

About you

• At least 2 years’ experience in water hygiene or water treatment, carrying out similar tasks.
• Good communication skills, with a positive, professional manner on client sites.
• Keen to learn, develop your technical skills and progress your career.
• Comfortable working independently in a mobile role.
• Full UK driving licence (essential).
• Based within a commutable distance of London and happy to travel across London and surrounding counties.

What we offer

• Salary £27,500 – £32,000, depending on experience.
• Company vehicle for work use.
• Company pension scheme.
• Private medical insurance.
• Referral programme.
• Extensive training and development, with opportunities to broaden your skills in water hygiene and treatment.

If you have solid water hygiene experience and are looking to join a growing, specialist company with strong training and benefits, we’d love to hear from you.