Pre-Comm Engineer

Pre-Comm Engineer - London

Ref: 3891Monday 27 April 2026

£28,000 - £45,000

Our client is a well-established building services and water treatment specialist, currently expanding their engineering team. They are looking to recruit Pre-Commissioning / Water Treatment Engineers at all levels, from junior engineers through to experienced professionals.

This is a field-based role working across a variety of commercial and industrial sites, delivering both pre-commissioning services and water hygiene works.

 

Key Responsibilities

  • Carry out pre-commission cleaning, including flushing and chemical cleaning of closed systems
  • Perform water hygiene duties such as:
  • TMV servicing
  • Tank cleaning and disinfection
  • Calorifier inspections
  • Ensure all works are completed in line with:
  • BSRIA guidelines
  • ACOP L8 & HSG274
  • Maintain high standards of health & safety on-site and in vehicles
  • Complete accurate service reports and documentation

 

Experience Required

  • Minimum 1 year experience in water treatment, pre-commissioning, or building services
  • Experience with:
  • Conventional flushing
  • CPC filtration systems
  • Knowledge of:
  • BSRIA BG29 / BG50
  • ACOP L8 & HSG274
  • Legionella Risk Assessor qualification (desirable)
  • Good IT skills (Microsoft Office)
  • Strong awareness of health & safety
  • Full UK driving licence

 

Salary & Package

  • £28,000 – £45,000 (DOE)
  • Company vehicle
  • Overtime available
  • Pension scheme
  • Company events
  • Ongoing training and career progression
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