Water Treatment Engineer

ISS Facilities Services; Elmbridge; On-site; GBP 30,000 - 45,000; Full time

Job summary

A leading facility management company is seeking a Water Treatment Engineer to ensure compliance with water hygiene standards. Responsibilities include scheduled maintenance, disinfection procedures, and reporting. The ideal candidate will have plumbing certification, experience with water systems, and excellent organizational skills. This role requires a full UK driving license and national travel, with a commitment to health and safety practices. Join a passionate team dedicated to making the world work better.

Qualifications

• Relevant plumbing certification (NVQ/SVQ Level 2 or equivalent) – unvented qualification desirable.
• Certification and experience in managing microbiological risks in water systems.
• Full UK driving licence is required for national travel.

Responsibilities

• Promote and ensure the highest levels of health and safety.
• Perform scheduled inspections and maintenance of water systems.
• Complete reactive disinfection procedures as needed.
• Manage own time effectively and prioritize urgent tasks.

Skills

Plumbing certification (NVQ/SVQ Level 2 or equivalent)

Experience in water system disinfection

Strong organizational skills

Communication skills

Knowledge of water regulations

Education

Relevant plumbing certification

Job description

Water Treatment Engineer

Contract: Key Account Network
Location: Weybridge, KT13 0SL
Hours of work: 40
Contract Type: Permanent

Overview

We are looking for an experienced and motivated Water Hygiene Engineer to join our technical team. This role involves delivering planned maintenance and servicing tasks to ensure compliance with L8 ACOP legislation across commercial and domestic water systems. You will play a key part in maintaining water hygiene standards, performing disinfection procedures, and supporting compliance activities to protect health and safety.

Key Responsibilities

• Promote and ensure the highest levels of health and safety and compliance.
• Perform scheduled inspections, maintenance, repairs, and testing of water systems.
• Complete reactive disinfection procedures in line with ISS governance and SSoW documents.
• Carry out standard PPM monitoring and inspection tasks on water systems.
• Issue certification for all small works undertaken.
• Provide detailed reports of all tasks completed.
• Attend technical forums and contribute to service delivery improvements.
• Manage own time effectively and prioritise tasks based on urgency.
• Liaise with internal and external stakeholders to ensure compliance and service excellence.

Professional and Personal Competencies / Qualifications

• Relevant plumbing certification (NVQ/SVQ Level 2 or equivalent) – unvented qualification desirable.
• Certification and experience in managing microbiological risks in water systems.
• Experience in water system disinfection, including non‑domestic and utilities.
• Knowledge of water regulations and their implementation.
• Competent in IT software programmes.
• Full UK driving licence (national travel required).
• Experience in cold tank/system cleaning and disinfection.
• Ability to perform TMV servicing, closed system sampling, and dosing.
• Strong organisational and communication skills.
• Commitment to health and safety and adherence to ISS technical policies.

The Company

ISS is a world‑leading workplace and facility management company, connecting people and places to make the world work better. Through a unique combination of intelligent solutions, high standards and people who care, we help our customers achieve their purpose whether it’s hospitals healing patients, businesses producing the next great innovation, or airports bringing passengers home to their families. ISS is committed to doing business the right way, taking its corporate responsibility very seriously. Our passion is people.

EEO Statement

ISS welcomes all applicants regardless of age, disability, gender identity or gender reassignment, marital or civil partnership status, pregnancy or maternity, race (which includes race, colour, nationality, ethnic or national origin and caste), religion or belief, sex, sexual orientation or educational background. We are a Disability Confident Committed (Level 2) employer, proudly supporting and promoting inclusive hiring practices in line with the UK government’s Disability Confident scheme. Our passion for inclusivity and diversity makes ISS a more creative, productive and happy place to work.

Contact

If you have any further queries regarding this role, please contact the Resourcing Team by emailing [e-mail].