Water Treatment Pre-Commissioning Engineer

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Job Title: Water Treatment Pre-Commissioning Engineer

Location: Chelmsford, Essex

Salary/Benefits: £27k – £45k + Training & Benefits

A leading name within the Water Treatment / Commissioning industry is recruiting for an experienced engineer in the South East of England. Daily duties will include BSRIA flushing works, chlorinations and system cleans/disinfections. Our client is seeking someone with strong track record within the industry and excellent hands‑on experience, able to hit the ground running and be ready to start immediately.

Responsibilities:

  • Perform BSRIA flushing works, chlorinations and system cleans/disinfections.
  • Power‑flushing and back‑flushing on systems.
  • Chemical dosing.
  • Pre‑commissioning cleans in line with BSRIA compliance guidelines.
  • Chlorinations on LTHW and CHW systems.
  • Tank cleans and pipework chlorinations.
  • Acid descales.
  • Producing detailed service reports.
  • Adhering to safety standards.
  • Representing the company in a professional manner.

Travel: Chelmsford, Maldon, Witham, Colchester, Billericay, Wickford, Basildon, Hockley, South Woodham Ferrers, Rochford, South Benfleet, Canvey Island, Southend‑on‑Sea, Grays, Tilbury, Hornchurch, Romford, Epping, Harlow, Ilford, Chigwell, Barking, Cheshunt, Enfield, Barnet, Potters Bar, Erith, Dartford, Sidcup, Bromley, Orpington, Gravesend.

Experience / Qualifications:

  • Strong experience working as a Water Treatment Pre‑Commissioning Engineer.
  • Excellent working knowledge of BSRIA and ACOP L8 guidelines.
  • Able to work both independently and within teams on projects.
  • Good literacy, numeracy and IT skills.
  • Able to travel in line with company needs.
  • Hardworking attitude.

Alternative job titles: Water Treatment Engineer, Commissioning Engineer, Flushing Engineer, Pre‑Commissioning Flusher.

#J-18808-Ljbffr”, “datePosted”: “2026-05-17”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Future Select Recruitment”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__434441408__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=140” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “Chelmsford” } } }
Company: Future Select Recruitment
Apply for the Water Treatment Pre-Commissioning Engineer
Location: Chelmsford
Job Description:

Job Title: Water Treatment Pre-Commissioning Engineer

Location: Chelmsford, Essex

Salary/Benefits: £27k – £45k + Training & Benefits

A leading name within the Water Treatment / Commissioning industry is recruiting for an experienced engineer in the South East of England. Daily duties will include BSRIA flushing works, chlorinations and system cleans/disinfections. Our client is seeking someone with strong track record within the industry and excellent hands‑on experience, able to hit the ground running and be ready to start immediately.

Responsibilities:

  • Perform BSRIA flushing works, chlorinations and system cleans/disinfections.
  • Power‑flushing and back‑flushing on systems.
  • Chemical dosing.
  • Pre‑commissioning cleans in line with BSRIA compliance guidelines.
  • Chlorinations on LTHW and CHW systems.
  • Tank cleans and pipework chlorinations.
  • Acid descales.
  • Producing detailed service reports.
  • Adhering to safety standards.
  • Representing the company in a professional manner.

Travel: Chelmsford, Maldon, Witham, Colchester, Billericay, Wickford, Basildon, Hockley, South Woodham Ferrers, Rochford, South Benfleet, Canvey Island, Southend‑on‑Sea, Grays, Tilbury, Hornchurch, Romford, Epping, Harlow, Ilford, Chigwell, Barking, Cheshunt, Enfield, Barnet, Potters Bar, Erith, Dartford, Sidcup, Bromley, Orpington, Gravesend.

Experience / Qualifications:

  • Strong experience working as a Water Treatment Pre‑Commissioning Engineer.
  • Excellent working knowledge of BSRIA and ACOP L8 guidelines.
  • Able to work both independently and within teams on projects.
  • Good literacy, numeracy and IT skills.
  • Able to travel in line with company needs.
  • Hardworking attitude.

Alternative job titles: Water Treatment Engineer, Commissioning Engineer, Flushing Engineer, Pre‑Commissioning Flusher.

#J-18808-Ljbffr…

Posted: May 17th, 2026