Water Hygiene Technician

Celnor; Southampton; On-site; GBP 26,000 - 36,000; Full time

Benefits offered by this job

Annual leave up to 25 days

Paid overtime opportunities

Company van

Company mobile phone

NHS Top-Up Health Plan

EAP

Career progression

Job summary

Concept Environmental Solutions Ltd in Southampton is seeking a Water Hygiene Engineer to help keep client water systems compliant with Legionella control guidelines and industry standards. You will carry out planned maintenance tasks, inspections, and remedial works while delivering excellent service.

You will install and maintain TMVs, clean and disinfect storage tanks and showerheads, flush expansion vessels, and provide technical insight into system performance.

Qualifications

• 1–2 years’ experience in water hygiene or related field.
• Experience with chlorine dioxide testing desirable.
• Practical fault-finding across water systems.

Responsibilities

• Installation and maintenance of thermostatic mixer valves (TMVs).
• Cleaning and disinfection of cold water storage tanks.
• Cleaning and disinfection of showerheads.
• Expansion vessel flushing.
• Provide technical insight into system performance and asset condition.
• Identify and recommend remedial actions.
• Interpret and implement Legionella Risk Assessment recommendations.

Skills

Water hygiene

Legionella control

Chlorine dioxide testing

Technical fault-finding

Tools

TMVs

Expansion vessels

Job description

Water Hygiene Technician Celnor Southampton, GB

Description

Water Hygiene Engineer

Concept Environmental Solutions

Southampton and local areas.

Who we are

Concept Environmental Solutions Ltd is a growing compliance and water hygiene specialist delivering professional Legionella control services. Concept pride themselves on technical excellence, client relationships, and delivering compliant, high-quality reporting that keeps our clients safe and protected.

Part of the Celnor Group

Celnor Group is a UK-based environmental services group operating across the Testing, Inspection, Certification and Compliance (TICC) landscape. With a growing portfolio of specialist businesses, Celnor provides essential services that protect people, property and the environment.

While each business retains its own identity, culture and technical specialism, all are supported by a central group function that invests in people, systems and long-term sustainable growth.

Job details

Concept are looking for a Water Hygiene Engineer to join the team. This role is vital in ensuring clients’ water systems remain fully compliant with Legionella control guidelines and industry standards.

You will carry out planned preventative maintenance (PPM) tasks, technical inspections, and remedial works while delivering exceptional service.

What you will do

• Installation and maintenance of thermostatic mixer valves (TMVs)'


• Cleaning and disinfection of cold water storage tanks.


• Cleaning and disinfection of showerheads.


• Expansion vessel flushing.


• Provide technical insight into system performance and asset condition.


• Identify and recommend remedial actions.


• Interpret and implement Legionella Risk Assessment recommendations.


• Escalate system defects, anomalies, and high risk findings appropriately.

Who you are

• 1–2 years’ experience in water hygiene, water treatment, or a related industry, including monitoring tasks, disinfections, and technical remedial works (experience beyond basic PPM desirable).


• Experience with chlorine dioxide testing and working within hospital/healthcare environments would be desirable.


• Practical fault-finding experience across water systems including calorifiers, expansion vessels, TMVs, and distribution systems; knowledge of softeners and chlorine dioxide systems desirable.


• Strong technical knowledge of water hygiene compliance, including interpretation of Legionella Risk Assessments and guidance.

Join us

You’ll be joining a business where your contribution matters and where professionalism, integrity and teamwork are genuinely valued. As part of the wider Celnor Group, you’ll benefit from group-wide investment, shared expertise and opportunities to develop your career as the organisation continues to grow.

• Annual leave increasing yearly up to 25 days with long service.


• Paid overtime opportunities to boost your earnings.


• Company work van fully equipped for the role.


• Company mobile phone provided.


• NHS ‘Top-Up’ Health Plan for added peace of mind.


• Employee Assistance Programme (EAP) for mental, physical, and financial wellbeing.


• Job security within a growing business.


• Supportive management and real career progression.

Important information

Celnor Group and its businesses manage recruitment directly. We do not require agency support for this role and will only engage with recruitment partners from our preferred supplier list where necessary.

We may use technology, including AI-enabled tools, to support parts of the recruitment process. AI is not used for candidate screening, scoring or hiring decisions. All hiring decisions are made by people, for people. Our recruitment systems are ISO 42001 accredited, reflecting our commitment to ethical, transparent and responsible use of technology.