Senior Water Hygiene Engineer

Water Hygiene Engineer - London

Ref: 3892Wednesday 29 April 2026

£38,000 - £42,000

We are seeking an experienced Senior Water Hygiene Engineer to join this established Water Treatment Company operating from their Kent-based office and covering sites across London and the South East.

This role requires a highly skilled individual with strong technical knowledge and the ability to work independently, as well as lead small teams on-site.

 

Key Requirements

  • Minimum of 5 years’ experience within the water hygiene / water treatment industry
  • Extensive experience working with cooling towers, including:
  • Dosing equipment and dosing pump servicing
  • Replacing dosing hoses and installing service kits
  • Venting pumps and diagnosing system faults
  • Strong background in cooling tower water treatment monitoring, including:
  • Weekly, monthly, and quarterly analysis
  • Adjusting control systems and investigating issues
  • Producing detailed client reports with clear findings
  • Proven experience in cooling tower and storage tank cleaning & disinfection
  • Experience leading small teams (2–3 engineers) on-site
  • Basic understanding of closed systems, including:
  • Sampling and dual sampling alongside consultants
  • Applying remedial dosing where required
  • Experience working on domestic water systems, including:
  • Automatic dosing units
  • Dosing pump servicing and fault finding

 

Package

  • Salary: £38,000 – £42,000
  • Company van & fuel card
  • Expenses covered
  • 25 days annual leave
  • Access to employee perks platform
  • Company mobile phone
  • Bonus scheme

 

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