Water Treatment Engineer
| Posting date: | 05 December 2025 |
|---|---|
| Salary: | £33,000 to £38,000 per year |
| Hours: | Full time |
| Closing date: | 04 January 2026 |
| Location: | KT13 0SL |
| Remote working: | On-site only |
| Company: | ISS Facilities Services |
| Job type: | Permanent |
| Job reference: | 150709 |
Summary
Water Treatment Engineer
Contract: Key Account Network
Location: Weybridge, KT13 0SL
Hours of work: 40
Contract Type: Permanent
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.
Job Description
As a Water Hygiene Engineer, you will be responsible for carrying out scheduled inspections, preventative and corrective maintenance, and water hygiene tasks on various systems. You will manage disinfection processes, perform PPM monitoring, and provide detailed reports and certifications for all works undertaken. The role requires strong technical knowledge, adherence to health and safety standards, and the ability to work independently while collaborating with internal teams and external stakeholders. National travel may be required.
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 water 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. Working with customers day by day, side by side, we understand every aspect of the user experience.
Through a unique combination of intelligent solutions, high standards and people who care, to 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.
We offer you a challenging and exciting career in an organisation with people at its heart. In ISS, everyone has the opportunity to develop, grow and make a difference. #ISSGreatPeople #ISSTalent #PeopleMakePlace
ISS is proud to be a diverse and inclusive employer.
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.
If you have any further queries regarding this role, please contact the Resourcing Team by emailing resourcing.team@uk.issworld.com
Please click on the following link for more information on this role: Job Description
If you are interested in learning about other opportunities at ISS, please join our Talent community by clicking on the following link: TalentPlace
Contract: Key Account Network
Location: Weybridge, KT13 0SL
Hours of work: 40
Contract Type: Permanent
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.
Job Description
As a Water Hygiene Engineer, you will be responsible for carrying out scheduled inspections, preventative and corrective maintenance, and water hygiene tasks on various systems. You will manage disinfection processes, perform PPM monitoring, and provide detailed reports and certifications for all works undertaken. The role requires strong technical knowledge, adherence to health and safety standards, and the ability to work independently while collaborating with internal teams and external stakeholders. National travel may be required.
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 water 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. Working with customers day by day, side by side, we understand every aspect of the user experience.
Through a unique combination of intelligent solutions, high standards and people who care, to 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.
We offer you a challenging and exciting career in an organisation with people at its heart. In ISS, everyone has the opportunity to develop, grow and make a difference. #ISSGreatPeople #ISSTalent #PeopleMakePlace
ISS is proud to be a diverse and inclusive employer.
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.
If you have any further queries regarding this role, please contact the Resourcing Team by emailing resourcing.team@uk.issworld.com
Please click on the following link for more information on this role: Job Description
If you are interested in learning about other opportunities at ISS, please join our Talent community by clicking on the following link: TalentPlace
Proud member of the Disability Confident employer scheme
Disability Confident
About Disability Confident
A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to Disability Confident.