via reed · 1 June 2026 ·5 days ago

Water Treatment Engineer/Plumber

HAMILTON ROWE RECRUITMENT SERVICES LTD
London Full-time GBP 38,000 – 42,000
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An industry-leading building services provider is looking for a skilled Mobile Water Treatment Engineer to join their growing team, covering sites across London and the M25. This is an excellent opportunity for someone with a strong water treatment background who enjoys a varied role across multiple commercial environments.

Please note our client is looking for an engineer who has good plumbing skills to be considered for this role.

Water Treatment Engineer/Plumber Key Responsibilities:

  • Manage and maintain water treatment systems across a portfolio of sites.

  • Carry out water sampling, testing, and analysis to ensure compliance with Legionella regulations.

  • Implement and maintain water treatment programs to control scale, corrosion, and biological growth.

  • Perform routine inspections, cleaning, and chemical dosing on cooling towers and closed systems.

  • Diagnose faults and resolve technical and operational issues on-site.

  • Ensure accurate record-keeping and full compliance with ACOP L8, HSG274, and relevant legislation.

  • Provide reports and technical updates to management and clients.

Water Treatment Engineer/Plumber Experience & Skills Needed:
  • Proven hands-on experience in water treatment, including cooling towers and closed-loop systems.

  • Strong knowledge of Legionella control and water hygiene best practices.

  • Ability to troubleshoot and resolve water system and quality issues.

  • Comfortable working independently across multiple sites.

  • Strong communication and reporting skills.

Water Treatment Engineer/Plumber Requirements:
  • Recognised water treatment qualifications (e.g., City & Guilds, NVQ, or equivalent).

  • Solid understanding of water hygiene regulations including ACOP L8 and HSG274.

  • Good plumbing skills.

Water Treatment Engineer/Plumber Offer:
  • £38,000 - £42,000 per annum.

  • Monday to Friday working hours

  • Mobile role covering London and the M25.

  • Company vehicle and fuel card.

  • Excellent job security with a reputable and growing business.

  • Clear progression opportunities and ongoing training.

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