Water Treatment Operative

• Conduct routine inspections, cleaning, and disinfection of hot and cold-water systems, including storage tanks, calorifiers, and associated pipework, in line with HSG
  274 Part 2 and L8 Approved Code of Practice (ACOP).
• Perform temperature checks on hot and cold-water systems to ensure compliance with recommended ranges (e.g., hot water above 50°C, cold water below 20°C) to minimize Legionella risk.
• Carry out water sampling, testing, and analysis for bacterial contamination, including Legionella, and interpret results to recommend remedial actions.
• Assist in the completion of Legionella risk assessments for hot and cold-water systems, identifying potential hazards and implementing control measures as per HSG
  274 Part 2.
• Ensure all work adheres to current UK regulations, including the Health and Safety at Work Act, COSHH, and the Control of Legionella Bacteria in Water Systems (L8 ACOP).
• Maintain accurate records, logs, and reports of all inspections, tests, and remedial works for audit and compliance purposes.

• Carry out remedial actions, such as descaling, flushing, and chlorination of water systems, to address identified issues and maintain water quality.
• Install, repair, and maintain water system components, including TMVs (thermostatic mixing valves), pumps, and pipework, to ensure optimal performance and compliance.
• Respond to emergency callouts to address water hygiene issues promptly and effectively.

• Liaise with clients to explain the findings, provide recommendations, and ensure understanding of water hygiene obligations under HSG
  274 Part 2.
• Deliver exceptional customer service, always maintaining professionalism and a positive representation of the company.

Commitment to safety is fundamental to this role.

Key responsibilities include:

• Lead by example in promoting and maintaining excellent health and safety practices across all work activities.
• Ensure compliance with current Health & Safety legislation and OCS policies, always maintaining a safe working environment.
• Quality & safety standards:
  Ensure that all equipment and work areas meet agreed health, safety, and quality standards, with all tasks delivered in accordance with Risk Assessment & Method Statements (RAMS) and Construction Phase Plans (CPP).
• Safety documentation:
  Oversee the completion of risk assessments, method statements, and toolbox talks, ensuring all safety protocols are followed effectively.

• Proven experience as a Water Hygiene Engineer or similar role, with specific knowledge of hot and cold-water systems and Legionella control.
• Strong understanding of HSG
  274 Part 2, L8 ACOP, and relevant UK water hygiene regulations and guidelines.
• Ability to conduct water sampling, temperature monitoring, and basic water quality testing.
• Practical skills in cleaning, disinfection, and maintenance of water systems.
• Excellent problem-solving skills and attention to detail.
• Strong communication skills, both verbal and written, for client interaction and report writing.
• Full UK driving licence (travel to various client sites required).
• A willingness to work flexible hours, including occasional weekends and out-of-hours callouts.

• Relevant qualifications, such as City & Guilds Legionella Control in Hot and Cold-Water Systems, or equivalent water hygiene training.
• Experience with thermostatic mixing valves (TMVs) installation and maintenance.
• Knowledge of COSHH and safe handling of water treatment chemicals.

OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning…