Water Treatment Engineer

  • Optima Site Solutions Ltd
  • Oct 30, 2025
Full time Construction

Job Description

Are you an experienced Pre-Commission Cleaning / Water Treatment Engineer?

We are looking for a skilled Engineer to deliver closed system flushing, water hygiene, and compliance services across London and the surrounding areas.

This role will suit someone with strong knowledge of BSRIA standards, hands-on experience in pre-commission cleaning, and the ability to work safely, efficiently, and to the highest quality.

If you re an experienced Engineer in water treatment and pre-commission cleaning looking for a role with excellent benefits and long-term prospects, this is the position for you.

Remuneration

  • £30,000 £45,000 (depending on experience)

  • Monday Friday, 8am 5pm (overtime available)

  • Company vehicle provided

  • Uniform, laptop/tablet supplied

  • Pension scheme

  • Annual pay reviews

  • Holiday pay

Responsibilities

  • Carry out pre-commission cleaning of closed systems (conventional flushing and CPC filtration).

  • Perform water hygiene tasks including TMV servicing, calorifier inspections, and tank cleaning/disinfection.

  • Review schematics and drawings, complete risk assessments, and submit accurate site documentation.

  • Ensure compliance with BSRIA BG29/2021, BG50/2021 and other industry standards.

  • Operate safely in line with COSHH procedures and company health and safety policies.

  • Maintain company vehicles, equipment, and site safety standards.

Requirements

  • Minimum 3 years experience in pre-commission cleaning.

  • Proven experience with conventional and CPC filtration flushing.

  • Strong knowledge of BSRIA BG29/2021, BG50/2021, PD(phone number removed):2015, HSE ACoP L8, HSG274 (Parts 2 & 3), HTM 04-01, and BS8552.

  • Familiarity with water hygiene procedures and chemical handling.

  • Competent in Microsoft Word and Excel.

  • Full UK driving licence