Water Treatment Engineer

CBW Staffing Solutions
London

Water Treatment Engineer

Water Treatment Engineer – FM Service Provider – Central London – £48,000 + Overtime

CBW Staffing Solutions is currently recruiting for a Water Treatment Engineer to join a leading FM Service Provider at a prestigious commercial high-rise building in Central London .

The successful candidate will take responsibility for the site's water treatment and water hygiene compliance, covering cooling towers, domestic hot and cold water, LTHW and chilled water systems .

This is a Monday-to-Friday position with no call-out , offering a salary of £48,000 plus overtime .

Hours of Work:
  • Monday to Friday
  • 08:00 – 17:00
  • No call-out
Key Duties & Responsibilities:
  • Manage and monitor cooling towers and evaporative cooling systems.
  • Carry out water sampling, temperature monitoring, dip slides and routine inspections.
  • Oversee cleaning, disinfection and chlorination works.
  • Manage domestic hot and cold water systems.
  • Carry out flushing programmes and monitor low-use outlets.
  • Inspect calorifiers, storage tanks and expansion vessels.
  • Monitor closed-loop heating and chilled water systems.
  • Carry out water quality monitoring, sampling and analysis.
  • Monitor chemical dosing, inhibitor levels and corrosion control.
  • Review chemical and microbiological sampling results.
  • Manage specialist water treatment contractors.
  • Maintain water hygiene records, schematics and compliance documentation.
  • Ensure compliance with ACoP L8, HSG274 Parts 1 & 2, COSHH and Water Fittings Regulations .
  • Support Legionella risk assessments and required remedial works.
  • Produce monthly compliance reports and support site audits.
  • Carry out basic plumbing repairs, including leaks, pipework and dead-leg removal.
Package:
  • £48,000 per annum
  • Overtime available
  • No call-out
  • 25 days holiday + Bank Holidays
  • Company pension
  • Training and qualification renewals paid for
  • Excellent opportunities for further development and progression
Requirements:
  • Minimum 5 years' experience within a large commercial building or estate.
  • Strong experience with cooling towers and evaporative cooling systems.
  • Good knowledge of domestic water hygiene and Legionella compliance.
  • Experience with closed-loop heating and chilled water treatment.
  • Ability to interpret chemical and microbiological water analysis reports.
  • Experience managing specialist water treatment contractors.
  • Good client-facing and communication skills.
Qualifications:
  • Legionella Responsible Person – HSG274 Part 2
  • C&G Legionella Control & Management of Hot and Cold Water Services and Evaporative Cooling Systems (WH010) – HSG274 Part 1
  • CABWI Level 3 Diploma in Water Treatment or equivalent
  • City & Guilds Level 2 Plumbing
  • WH004 Legionella Risk Assessment – Desirable
  • IOSH Managing Safely – Desirable
  • COSHH / Permit to Work experience – Desirable
Please send your CV to Bailey White at CBW Staffing Solutions to avoid missing out on this opportunity.
Posted 2026-10-30

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