Water Treatment Pre-Commissioning Engineer in Enfield, Greater London

Company: Energy Jobline CVL
Apply for the Water Treatment Pre-Commissioning Engineer in Enfield, Greater London
Location: Enfield
Job Description:

Job Title: Water Treatment Pre-Commissioning Engineer

Location: Enfield, Greater London

Salary/Benefits: £28k – £45k + Training & Benefits

A leading name within the Water Treatment industry is recruiting for a hardworking and experienced Water Treatment Pre-Commissioning Engineer to cover sites around and within the M25. Candidates must have proven hands‑on experience as you will be expected to hit the ground running upon joining the company. Our client offers fantastic further training within the industry and has a growing client portfolio. Salaries are competitive, and benefits include overtime, company vehicle, annual leave and pension scheme.

Locations of work include: Enfield, Chigwell, Epping, Barnett, Potters Bar, Ilford, Barking, Romford, Hornchurch, Billericay, Basildon, Grays, Wickford, Canvey Island, Tilbury, Erith, Gravesend, Dartford, Sidcup, Orpington, Bromley, Croydon, Mitcham, Sutton, Epsom, Caterham, Kingston upon Thames, Twickenham, Redhill, Woking, Windsor, Slough, Wembley, Harrow, Watford.

Experience / Qualifications

  • Experience working as a Water Treatment Pre-Commissioning Engineer
  • Fully conversant in ACOP L8 and BSRIA guidelines
  • Good interpersonal skills
  • Flexible to travel in line with company needs
  • Good literacy, numeracy and IT skills
  • Hardworking attitude

The Role

  • Completing pre-commissioning cleans on a range of water systems
  • Pipework chorinations and flushing
  • Flushing on CHW and LTHW systems
  • Powerflushing
  • Back-flushing
  • Mains injections
  • Safely using chemicals to dose on systems
  • Representing the company in a professional manner
  • Updating site logbooks

Alternative job titles

  • Flushing Engineer
  • Pre-Commissioning Engineer
  • Legionella Flusher
  • Water Treatment Engineer
  • Commissioning Technician

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Posted: May 27th, 2026