09th October, 2026
Water Treatment Engineer
East London
Up to £45,000 per annum
We’re recruiting for a Water Treatment Engineer to join a leading building services provider at a prestigious commercial office building in East London. This is an excellent opportunity for an experienced engineer looking for a stable, Monday-to-Friday role within a well-established organisation, with ongoing development and opportunities for career progression.
Role Overview As a Water Treatment Engineer, you’ll take responsibility for the day-to-day operation, maintenance and compliance of the building’s water systems, with a particular focus on cooling towers and closed-loop systems. You’ll ensure all water treatment processes are carried out safely, efficiently and in line with relevant legislation and water hygiene standards.
Key Responsibilities
- Managing water treatment systems, including cooling towers and closed-loop systems.
- Carrying out routine water sampling, testing and monitoring.
- Implementing water treatment programmes to prevent scaling, corrosion and bacterial growth.
- Inspecting, cleaning and maintaining cooling towers.
- Monitoring chemical dosing systems and maintaining water quality.
- Identifying and resolving water treatment issues.
- Ensuring compliance with ACOP L8, HSG274 and relevant Legionella control requirements.
- Maintaining accurate records of water testing, maintenance and compliance activities.
- Producing reports and providing updates to site management.
Requirements
- Previous experience in water treatment, particularly working with cooling towers.
- Good knowledge of closed-loop systems and Legionella control.
- Relevant water treatment qualifications, such as City & Guilds, NVQ or equivalent.
- Understanding of ACOP L8, HSG274 and water hygiene legislation.
- Strong fault-finding and problem-solving skills.
- Good organisational, record-keeping and reporting abilities.
- Ability to work independently and as part of a team.
Salary & Benefits
- Up to £45,000 per annum.
- Monday to Friday, 8am–5pm.
- Prestigious commercial site in East London.
- Permanent position with a well-established building services provider.
- Long-term job security.
- Ongoing training and development.
- Opportunities for internal career progression.
If you’re an experienced Water Treatment Engineer looking for your next opportunity within a prestigious commercial environment, apply today!
Water Treatment Engineer in London employer: Hamilton Rowe Recruitment Services
Join a leading building service provider in London as a Mobile Engineer, where you'll enjoy a supportive work culture that values your expertise and independence. With competitive salaries, a company van, and opportunities for internal progression, this role offers not just a job but a pathway to grow your career while managing your own sites and clients. Experience a dynamic environment that prioritises safety, quality workmanship, and continuous training, making it an excellent choice for those seeking meaningful employment in the commercial maintenance sector.
Contact Details:
Hamilton Rowe Recruitment Services Recruitment Team
