Water Treatment Service Chemist / Engineer

Service Chemist - Essex

Ref: 4127Friday 14 August 2026

£30,000 - £40,000

Our client, an established Water Treatment and Water Hygiene company, is looking to recruit an experienced Water Treatment Engineer / Service Chemist to manage and service a portfolio of commercial and industrial sites across London and the South East

This is a varied field-based role combining hands-on Water Treatment engineering with service chemistry, water analysis and technical customer support.

The position would suit an experienced Water Treatment Engineer or Service Chemist looking for a role offering a good mixture of technical site work, customer interaction and ongoing career development.

The Role

  • Carrying out routine Water Treatment servicing across commercial and industrial sites
  • Sampling and analysis of closed heating and chilled water systems
  • Cooling tower water analysis and monitoring
  • Steam boiler water testing and analysis
  • Carrying out chemical analysis including pH, conductivity, inhibitor levels and other relevant parameters
  • Monitoring chemical treatment programmes and adjusting dosing where required
  • Chemical dosing and system treatment
  • Servicing and maintaining chemical dosing equipment
  • Identifying corrosion, scale and microbiological issues within water systems
  • Providing technical recommendations to improve system performance
  • Closed system sampling in accordance with relevant industry guidance
  • Producing detailed technical service reports
  • Maintaining accurate site records and electronic documentation
  • Liaising directly with clients, facilities managers and site engineers
  • Identifying opportunities for remedial works and additional Water Treatment services

What We're Looking For

  • Previous experience within the Water Treatment industry
  • Experience working as a Water Treatment Engineer, Service Chemist or similar
  • Good practical knowledge of closed systems, cooling towers and/or steam boilers
  • Experience carrying out on-site water analysis
  • Understanding of chemical Water Treatment programmes
  • Knowledge of corrosion, scale and microbiological control
  • Experience with chemical dosing equipment would be advantageous
  • Good technical reporting skills
  • Strong communication and customer-facing ability
  • Ability to work independently and manage your own workload
  • Chemistry, Science or relevant Water Treatment qualification would be advantageous
  • Full UK Driving Licence

Package

  • Basic Salary £30K - £40K
  • Company Vehicle
  • Overtime Opportunities
  • Pension Scheme
  • Holiday + Bank Holidays
  • Mobile Phone / Tablet
  • Company Equipment & PPE
  • Ongoing Technical Training
  • Career Development & Progression

This is an excellent opportunity for an experienced Water Treatment Engineer / Service Chemist looking to join a well-established business offering a varied technical workload across London and the South East and genuine opportunities for long-term career development.

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