Water Treatment Technician

CBRE Group, Inc.; Greater London; Hybrid; GBP 28,000 - 36,000; Full time

Job summary

CBRE Group, Inc. seeks a Water Treatment Technician for field-based work across commercial and industrial sites in London and surrounding areas. The role focuses on delivering compliant water hygiene services, monitoring treatments, inspecting systems and maintaining records on occupied sites.

You will join a team delivering essential compliance and water safety services, working independently, building client relationships, and developing technical skills within a growing specialist sector.

Qualifications

• Knowledge of commercial and industrial water systems, including sampling, dosing and monitoring.
• Understanding of UK compliance requirements and guidance, including ACOP L8 and HSG274.
• Ability to produce accurate service reports and maintain clear compliance records.
• Strong communication skills and confidence working directly with clients and site teams.
• Full UK driving licence and willingness to travel between sites.
• Experience with cooling towers, closed system analysis, boilers, domestic systems or remedial works.
• Knowledge of dosing equipment, inhibitor and biocide control, and on-site testing methods.
• Experience working across healthcare, education, FM or large commercial estates.

Responsibilities

• Monitor and adjust treatment programmes, including chemical dosing and control measures.
• Complete inspections, system surveys and routine compliance tasks in line with Legionella guidance and HSG274.
• Diagnose issues such as corrosion, scale, poor system performance or microbiological risk, and recommend corrective actions.
• Maintain dosing equipment, pumps, testing kits and associated water treatment plant.
• Produce clear service reports, logbooks and compliance records following site visits.
• Work safely at all times and follow risk assessments, method statements and site procedures.
• Build positive relationships with clients and support a professional, reliable service on every site.

Skills

Water systems knowledge

UK compliance awareness

Reporting & records

Communication skills

Driving licence

Travel willingness

Cooling towers experience

Closed system analysis

Boilers experience

Domestic systems

Remedial works

Inhibitor & biocide control

On-site testing methods

Healthcare & education sector

Job description

London - England - United Kingdom of Great Britain and Northern Ireland

Water Treatment Technician | Field-Based | Commercial & Industrial Sites

Reports to

Operations Manager / Technical Manager - London

Field-based across client sites, including industrial, commercial, healthcare, education and FM-managed environments.

About the Role

This role would suit someone who enjoys a mobile, practical position, is confident working on occupied sites, and takes pride in delivering compliant, high-quality water treatment and water hygiene services.

What You'll Be Doing

Key Responsibilities

• Monitor and adjust treatment programmes, including chemical dosing and control measures.
• Complete inspections, system surveys and routine compliance tasks in line with Legionella guidance and HSG274.
• Diagnose issues such as corrosion, scale, poor system performance or microbiological risk, and recommend corrective actions.
• Maintain dosing equipment, pumps, testing kits and associated water treatment plant.
• Produce clear service reports, logbooks and compliance records following site visits.
• Work safely at all times and follow risk assessments, method statements and site procedures.
• Build positive relationships with clients and support a professional, reliable service on every site.

What We're Looking For

• Knowledge of commercial and industrial water systems, including sampling, dosing and monitoring.
• Understanding of UK compliance requirements and guidance, including ACOP L8 and HSG274.
• Ability to produce accurate service reports and maintain clear compliance records.
• Strong communication skills and confidence working directly with clients and site teams.
• Full UK driving licence and willingness to travel between sites.
• Experience with cooling towers, closed system analysis, boilers, domestic systems or remedial works.
• Knowledge of dosing equipment, inhibitor and biocide control, and on-site testing methods.
• Experience working across healthcare, education, FM or large commercial estates.

Why Join Us?

You will join a supportive team delivering essential compliance and water safety services across varied sites. In return, you will have the opportunity to broaden your technical skills, work independently, build strong client relationships and develop your career in a growing specialist sector.

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