Water Hygiene / Closed Systems Engineer

Water Hygiene Engineer - West Midlands

Ref: 4214Monday 12 October 2026

£30,000 - £35,000

Our client is an established Water Treatment and Water Hygiene company providing specialist Legionella compliance and Water Treatment services to commercial and industrial clients throughout the UK.

Due to continued growth, they are looking to recruit an experienced Water Hygiene / Closed Systems Engineer to join their team covering the West Midlands.

This is a varied field-based position combining routine Water Hygiene compliance duties with closed system water treatment, including chemical dosing, sampling and analytical testing.

The successful candidate must have a good background in general Water Hygiene and practical experience carrying out closed system dosing and testing.

Key Responsibilities

  • Carry out routine Water Hygiene monitoring in accordance with ACoP L8 and HSG274
  • Undertake hot and cold water temperature monitoring
  • Take water samples for Legionella and microbiological analysis
  • Carry out cold water storage tank inspections
  • Undertake showerhead cleaning, descaling and disinfection
  • Carry out TMV inspections, testing and servicing
  • Complete flushing of little-used outlets
  • Undertake calorifier inspections and temperature monitoring
  • Carry out closed system water sampling and analytical testing
  • Undertake chemical dosing of closed heating and chilled water systems
  • Monitor closed system water quality and chemical treatment levels
  • Carry out testing for inhibitor levels, pH, conductivity and other relevant water quality parameters
  • Identify closed system water quality issues and recommend appropriate remedial actions
  • Assist with closed system cleaning, flushing and remedial treatment where required
  • Complete accurate service reports and compliance documentation
  • Liaise with clients and site personnel to ensure work is completed efficiently
  • Ensure all work is carried out in accordance with relevant legislation, industry guidance and company procedures

Essential Experience

  • Previous experience working within the Water Hygiene industry
  • General Water Hygiene training and practical experience
  • Experience carrying out routine Water Hygiene PPM duties
  • Practical experience of closed system chemical dosing and analytical testing
  • Good understanding of closed heating and chilled water systems
  • Knowledge of ACoP L8 and HSG274
  • Ability to carry out water sampling, temperature monitoring and tank inspections
  • Experience interpreting basic closed system water analysis results
  • Ability to work independently and manage a field-based workload
  • Good communication and organisational skills
  • Ability to complete accurate technical reports and documentation
  • Full UK Driving Licence

Desirable Experience

  • Experience with closed system remedial treatment
  • Experience with chemical dosing equipment and dosing pots
  • Relevant City & Guilds or industry Water Hygiene qualifications

Personal Attributes

  • Reliable and professional
  • Self-motivated and able to work independently
  • Strong technical problem-solving skills
  • Good attention to detail
  • Able to manage and prioritise workloads
  • Flexible regarding travel and overtime
  • Positive attitude towards ongoing training and development
  • Strong focus on Health & Safety and compliance
  • Professional approach when dealing with customers

Package

  • Competitive salary £30K - £35K
  • Field-based position covering the West Midlands
  • Full-Time Permanent Position
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