Jobs at SMS Environmental Ltd (Now Hiring) — 3 open

Water Treatment Engineer

Permanent

Field based role covering London
Up to 32k base salary + overtime + bonus

Looking for a hands-on role that makes a difference?

At SMS Environmental, we don’t just maintain water systems — we protect people’s health and keep environments safe from Legionella and other water hygiene risks. If you’re a skilled Water Hygiene Engineer who takes pride in doing things right the first time, we want you on our team.

What’s in it for me?

We take care of our people — because you take care of our clients. Here’s what you can expect:

• 37.5 hours per week – 8am–4pm (Monday–Friday)
• Paid overtime available
• 22 days holiday per year plus bank holidays, with an extra day for your birthday after 2 years’ service
• Company iPad & Mobile Phone
• Brand new uniform, equipment, tool bag & PPE
• Modern, fully serviced company van with a business fuel card
• Trade cards for quick access to new supplies
• City & Guilds Affiliated Training Programme – we invest in your professional growth
• Private medical care or alternative cash plan after 2 years’ service
• Enhanced sick, maternity & paternity leave
• 24/7 Employee Assistance Programme
• Employee discount scheme – save up to £240/month on food & groceries
• Core Values Champions Rewards – quarterly peer nominations with vouchers
• Annual development & review process – because we believe in your progression

What will I be doing?

You’ll be out on the road, visiting a variety of client sites — from hospitals and schools to commercial and industrial settings — making sure their water systems are compliant, clean, and safe.

Your day-to-day will include:

• Carrying out planned preventative maintenance (PPM), sampling, flushing, disinfecting, and chemical treatment of water systems
• Performing remedial works, tank cleans, and chlorination
• Ensuring compliance with ACOP L8, HSG274, and other water hygiene regulations
• Recording and reporting site activities accurately using company systems
• Spotting and reporting system issues before they become bigger problems
• Representing SMS Environmental professionally with clients on-site
• Supporting and mentoring newer engineers as part of a collaborative team

What do I need to be successful?

We’re looking for someone who:

• Has proven experience in water hygiene, treatment, or Legionella control
• Understands water hygiene legislation and best practice
• Communicates clearly and confidently with clients and colleagues
• Works well independently and manages time effectively
• Holds a City & Guilds qualification (or equivalent) in Water Hygiene
• Has a full UK driving licence
• Ability to pass Disclosure and Barring Service clearance (Enhanced DBS check)

Bonus points if you’ve got a knack for problem-solving and love a job that keeps you moving and learning.

We’re not your average water hygiene company. We’re a team of passionate professionals who value safety, integrity, and continuous improvement. Every member of our team plays a vital role in keeping people safe and facilities compliant — and we make sure you feel recognised and rewarded for the work you do.

If you’re a motivated engineer who wants to build a career in a company that invests in your growth, apply today.