Trainee Water Treatment Engineer

SMS Environmental; Oxford; On-site; GBP 25,000 - 30,000; Full time

Job summary

A prominent environmental services company based in Oxford is seeking a Trainee Water Treatment Engineer. The role involves hands-on work visiting various client sites to maintain water systems, ensuring compliance and safety. Successful candidates will receive full training and support, with an emphasis on professional development through a City & Guilds Affiliated Training Programme. The position offers 37.5 hours per week plus paid overtime, generous holiday, and benefits including private medical care and an employee discount scheme.

Benefits

Paid overtime

22 days holiday plus bank holidays

Company iPad & Mobile Phone

Training Programme investment

Private medical care after 2 years

Employee discounts

Qualifications

• Hold a full UK driving licence or be working towards one.
• Able to pass Enhanced DBS clearance.

Responsibilities

• Carry out planned preventative maintenance (PPM) on water systems.
• Perform remedial works and ensure compliance with regulations.
• Record and report site activities accurately.

Skills

Clear communication

Willingness to learn

Time management

Problem-solving

Job description

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Trainee Water Treatment Engineer\

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Permanent\

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Oxfordshire\

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Field based\

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

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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 ready to begin your journey as a Trainee Water Treatment Engineer, with full training and support to help you succeed, we’d love to welcome you to the team.\

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What will I be doing?\

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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.\

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Your day-to-day will include:\

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• Carrying out planned preventative maintenance (PPM), sampling, flushing, disinfecting, and chemical treatment of water systems\
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• Performing remedial works, tank cleans, and chlorination\
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• Ensuring compliance with ACOP L8, HSG274, and other water hygiene regulations\
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• Recording and reporting site activities accurately using company systems\
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• Spotting and reporting system issues before they become bigger problems\
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• Representing SMS Environmental professionally with clients on-site\
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What do I need to be successful?\

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We’re looking for someone who:\

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• Communicates clearly and professionally with clients and colleagues\
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• Is willing to learn, take guidance, and build confidence working both independently and as part of a team\
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• Can manage their time well and follow instructions\
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• Holds a full UK driving licence (or is working towards one, if applicable)\
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• Is able to pass Disclosure and Barring Service clearance (Enhanced DBS check)\
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Bonus points if you’ve got a knack for problem-solving and love a job that keeps you moving and learning.\

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What’s in it for me?\

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

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

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If you’re motivated to start a career in water hygiene and want to learn with a company that invests in your development, apply today.\