Critical Maintenance Engineer
Permanent
Field based role covering County Durham & Cumbria
Up to £29k base salary + overtime & bonus
Want to work in a role where your expertise genuinely keeps people safe?
At SMS Environmental, we don’t just maintain water systems — we protect the health of people in hospitals, schools, and workplaces across the UK.
As a Critical Maintenance Engineer, you’ll play a vital role in ensuring water systems remain safe, compliant, and operating at the highest standards.
We’re a people-first business where your knowledge is valued, your development is supported, and your work makes a real impact every single day.
What’s in it for me?
- 37.5 hours per week (Monday–Friday) with overtime available at double rate
- Company vehicle and fuel card for business use
- Company iPad and mobile phone
- Full uniform, tools, and PPE provided
- Private Medical Care or alternative Cash Plan after 2 years’ service
- Enhanced Sick, Maternity and Paternity Leave
- City & Guilds Affiliated Training Programme to support your professional growth
- Employee Discount Scheme – save up to £240 per month on food and groceries
- Clear progression pathways within a growing business
- Supportive team culture where your work is recognised
What will I be doing?
You’ll be part of our Operations team, working across a variety of client sites to deliver essential water hygiene and maintenance services. No two days are the same, but you can expect to:
- Carry out planned preventative maintenance (PPM) on water systems
- Conduct water sampling, flushing, and treatment activities
- Ensure compliance with ACOP L8, HSG274, and water hygiene regulations
- Accurately record all site work using company systems and software
- Identify and report system issues or non-compliances to Account Managers
- Build strong relationships with clients and represent SMS professionally on‑site
- Support and mentor junior engineers where required
You’ll have the autonomy to manage your workload, with the support of an experienced team behind you.
What do I need to be successful?
We’re looking for someone who knows their stuff and takes pride in doing things properly. You’ll need:
- Proven experience in water hygiene, water treatment, or Legionella control
- Strong understanding of water hygiene regulations and best practices
- Ability to work independently and manage your time effectively
- Confident communication and client‑facing skills
- Awareness of Health & Safety practices (COSHH, risk assessments, etc.)
- Full UK driving licence
If you’ve worked across sectors like healthcare, education, or commercial environments — even better.
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