Critical Maintenance Engineer (Water Hygiene)

smsenvironmental· Water Treatment Engineering - PPM
🌍 Remote📍 Harwell, Oxfordshire, United Kingdom📍 RemoteFull Time 3 Month Probation

About this role

Critical Maintenance Engineer (Water Hygiene)

£27,000 - £30,000 + Double Time Overtime + Bonus + Company Van + Training

Field-based | Oxfordshire & Berkshire


Do you have Water Hygiene, Water Treatment or Legionella experience?


Join one of the UK's leading environmental compliance companies, helping keep hospitals, schools and commercial buildings safe through expert water hygiene maintenance.


You'll work across a variety of customer sites carrying out planned maintenance, water sampling, flushing and remedial works.


In return, you'll enjoy genuine career progression, excellent benefits and the support of an experienced engineering team.


The Job:

  • Planned maintenance of commercial water systems
  • Water sampling, flushing and treatment
  • Ensuring compliance with ACOP L8 and HSG274
  • Recording work using company software
  • Building great relationships with customers
  • Covering Oxfordshire and Berkshire


The Person:

  • Water Hygiene, Water Treatment or Legionella experience
  • Full UK driving licence
  • Great customer service skills
  • Ability to work independently


The Benefits:

  • Company van & fuel card
  • Double-time overtime
  • Annual bonus
  • City & Guilds training programme
  • Career progression
  • Private Medical Care
  • Monday-Friday, 37.5-hour working week
  • Employee discounts


Apply today to join a company that invests in its engineers and helps protect public health across the UK.


No previous experience as a Critical Maintenance Engineer? That's okay. If you have Water Hygiene, Water Treatment or Legionella experience, we'll provide role-specific training.

Frequently Asked Questions

Is the salary disclosed for the Critical Maintenance Engineer (Water Hygiene) position at smsenvironmental?
The salary for this Critical Maintenance Engineer (Water Hygiene) role at smsenvironmental is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Critical Maintenance Engineer (Water Hygiene) job at smsenvironmental remote?
Yes, this Critical Maintenance Engineer (Water Hygiene) position at smsenvironmental is remote, with team members based in Harwell, Oxfordshire, United Kingdom, Remote. You can work from home or anywhere in the supported regions.
Is the Critical Maintenance Engineer (Water Hygiene) role at smsenvironmental full-time or part-time?
This is listed as a Full Time 3 Month Probation position. It is posted as a Critical Maintenance Engineer (Water Hygiene) role in the Water Treatment Engineering - PPM department at smsenvironmental.
Which team or department does the Critical Maintenance Engineer (Water Hygiene) at smsenvironmental belong to?
This Critical Maintenance Engineer (Water Hygiene) position is part of the Water Treatment Engineering - PPM department at smsenvironmental. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Critical Maintenance Engineer (Water Hygiene) position at smsenvironmental?
Click the "Apply Now" button on this page. You will be redirected to smsenvironmental's official application portal hosted on bamboohr where you can submit your application directly.
When was the Critical Maintenance Engineer (Water Hygiene) job at smsenvironmental posted?
This Critical Maintenance Engineer (Water Hygiene) position at smsenvironmental was posted on Jul 1, 2026. Apply as soon as possible — early applications are often reviewed first.