At a Glance
- Tasks: Ensure water systems are safe and compliant while supporting junior engineers.
- Company: SMS Environmental, a leader in water hygiene and safety.
- Benefits: Competitive salary, overtime, company vehicle, medical care, and employee discounts.
- Other info: Supportive team culture with clear career progression opportunities.
- Why this job: Make a real impact on health and safety in hospitals and schools.
- Qualifications: Experience in water hygiene and strong communication skills required.
The predicted salary is between 30000 - 30000 £ per year.
Permanent field-based role covering Derbyshire. Up to £30k 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.
Who is SMS Environmental?
We’re a nationwide leader in water hygiene, safety, and environmental compliance — known for doing things the right way. Our engineers are at the heart of everything we do, and we make sure they’re equipped, supported, and recognised for their work every step of the way. At SMS, you’re not just another engineer — you’re a trusted expert making a real difference. If you’re ready to take the next step in your water hygiene career and join a team that values quality, safety, and your long-term growth — we’d love to hear from you. Apply today and be part of something that truly matters.
Critical Maintenance Engineer employer: SMS Environmental
At SMS Environmental, we pride ourselves on being a people-first organisation that values your expertise and supports your professional growth. As a Critical Maintenance Engineer, you'll enjoy a competitive salary, comprehensive benefits including private medical care, and a supportive team culture that recognises your contributions. With clear progression pathways and the opportunity to make a meaningful impact in safeguarding public health across Derbyshire, SMS is an excellent employer for those looking to advance their careers in water hygiene and maintenance.
StudySmarter Expert Advice🤫
We think this is how you could land Critical Maintenance Engineer
✨Tip Number 1
Network like a pro! Reach out to your contacts in the industry, attend local events, and join relevant online groups. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Prepare for interviews by researching SMS Environmental and understanding our values. Be ready to discuss how your experience aligns with our mission of keeping people safe through water hygiene. Show us you’re passionate about making a difference!
✨Tip Number 3
Practice your communication skills! As a Critical Maintenance Engineer, you'll need to build strong relationships with clients. Role-play common interview questions with a friend to boost your confidence and refine your responses.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, it shows us you’re genuinely interested in being part of the SMS Environmental team.
We think you need these skills to ace Critical Maintenance Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience in water hygiene and maintenance. We want to see how your skills align with what we do at SMS Environmental, so don’t be shy about showcasing your relevant achievements!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re passionate about water safety and how you can contribute to our mission. Keep it friendly and professional — we love a personal touch!
Showcase Your Knowledge:In your application, mention specific regulations or best practices you’re familiar with, like ACOP L8 or HSG274. This shows us you know your stuff and are ready to hit the ground running in the role.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy — just a few clicks and you’re done!
How to prepare for a job interview at SMS Environmental
✨Know Your Regulations
Familiarise yourself with key water hygiene regulations like ACOP L8 and HSG274. Being able to discuss these in detail will show your expertise and commitment to safety, which is crucial for a Critical Maintenance Engineer.
✨Showcase Your Experience
Prepare specific examples from your past roles that highlight your experience in water hygiene and treatment. Discuss any challenges you faced and how you overcame them, as this demonstrates problem-solving skills and resilience.
✨Communicate Confidently
Practice your communication skills, especially in client-facing scenarios. Be ready to explain complex technical concepts in simple terms, as building strong relationships with clients is key in this role.
✨Ask Insightful Questions
Prepare thoughtful questions about the company culture, team dynamics, and progression pathways. This shows your genuine interest in the role and helps you assess if SMS Environmental is the right fit for you.
