Water Hygiene Engineer

Manchester Arndale; Reading; On-site; GBP 32,000 - 46,000; Full time

Benefits offered by this job

Award-Winning Employer

Digital Learning

Retail Perks (Hapi app)

Professional Growth

Wagestream access

Job summary

OCS UK & Ireland is seeking a Water Hygiene Engineer to maintain hot and cold-water systems, perform sampling and Legionella testing, and ensure compliance with HSG274 Part 2. The role requires travel to client sites across the UK and a driving licence.

You will conduct risk assessments, implement control measures, and work to high safety and quality standards while liaising with clients and keeping detailed documentation.

Qualifications

• Proven experience as Water Hygiene Engineer or similar.
• Knowledge of HSG274 Part 2 and L8 ACOP and UK water hygiene regulations.
• Ability to sample, monitor temperature and test water quality.
• Experience in cleaning, disinfection and maintenance of water systems.

Responsibilities

• Maintain water systems and monitor compliance per HSG274 Part 2.
• Perform Legionella testing and interpret results to determine remedial actions.
• Assist in Legionella risk assessments and implement control measures.
• Install, repair and maintain TMVs, pumps and pipework.
• Respond to emergency callouts and liaise with clients on water hygiene obligations.
• Keep accurate records, RAMS and reports for audit and compliance.

Skills

Problem-solving

Communication skills

Driving licence

Flexibility

Team player

Education

Legionella control qualifications

Tools

TMV installation & maintenance

Job description

About The Company:

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 services within facilities management, hard services, cleaning, security and catering.

Our mission is to make people and places the best they can be for our colleagues, customers and the communities we serve. Our commitment to doing business the right way is rooted in our TRUE values -Trust, Respect, Unity, and Empowerment.

Why Work for OCS?

• Award-Winning Employer: Ranked 36th on Glassdoor’s Best Companies to Work For 2025 — we value and motivate our people.
• Digital Learning: The OCS Academy offers digital courses and resources to help you build skills and grow your career.
• Retail Perks: With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.
• Professional Growth: 600+ live learners across UK&I — Empowering colleagues with further development and qualifications!
• Flexible Pay: Access a portion of earned wages before payday with our Wagestream App! (Contract Specific)

About The Role:

Days of Working: Monday to Friday - 08:00 to 17:00

Key Responsibilities:

Water System Maintenance and Monitoring:

• Conduct routine inspections, cleaning, and disinfection of hot and cold-water systems, including storage tanks, calorifiers, and associated pipework, in line with HSG274 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.

Risk Assessments and Compliance:

• Assist in the completion of Legionella risk assessments for hot and cold-water systems, identifying potential hazards and implementing control measures as per HSG274 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.

Remedial and Installation Work:

• 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.

Client Interaction and Communication:

• Liaise with clients to explain the findings, provide recommendations, and ensure understanding of water hygiene obligations under HSG274 Part 2.
• Deliver exceptional customer service, always maintaining professionalism and a positive representation of the company.

Health & Safety Responsibilities

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 withRisk 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.

Essential Hiring Criteria:

• 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 HSG274 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 communicationskills, both verbal and written, for client interaction and report writing.
• Full UK drivinglicence(travel to various client sitesrequired).
• A willingnessto work flexible hours, including occasional weekends and out-of-hourscallouts.

Desirable:

• 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.

We are an equal opportunities employer and rely on a diverse workforce with a broad range of knowledge, skills, and backgrounds to deliver our goals. We offer an inclusive and welcoming environment and actively encourage applications from all individuals regardless of race, gender, nationality, religion, sexual orientation, disability, or age.