Water Treatment Engineer
Job description
Original text imported from Reed
Water Treatment Engineer
Location: North West England
Salary: £32,000 - £38,000
We are seeking an experienced Water Treatment / Water Hygiene Engineer to join a growing team within the water industry.
Benefits
- Competitive salary
- Career progression opportunities
- Regular salary reviews
- Company vehicle and fuel card provided
- 22 days annual leave + bank holidays
Key Responsibilities / Experience Required
- Closed system analytical testing and remediation
- Working in compliance with ACOP L8 guidelines
- Dead leg removals
- Tank inspections and closed system analysis
- Water sampling and analysis
- Temperature monitoring and recording
- Disinfection of domestic water systems
- Closed system dosing
- Calorifier pasteurisation
- Cleaning and chlorination of water storage tanks and cooling towers
- TMV testing and servicing
- Shower head descaling and disinfection
Key Requirements
- Minimum 5 years' experience in Water Treatment / Water Hygiene
- Strong water treatment knowledge and/or qualifications
- Full clean UK driving licence
- Flexibility to travel nationwide and work overtime when required
Apply now or contact Mollie Caswell at Penguin Recruitment for more information.
Key skills
AI-extracted from the job advert
Application advice
5 AI-generated recommendations to maximise your chances.
⭐ Place ACOP L8 compliance prominently in your Personal Statement — the advert lists it as a core compliance requirement.
📊 Quantify your field experience: e.g. 'Completed 200+ closed system analyses and calorifier pasteurisations across 30 commercial sites over 5 years'.
🎯 List each service type (TMV testing, dead leg removal, cooling tower chlorination) as discrete skills in your CV skills section to pass ATS keyword filters.
🌐 Highlight any nationwide travel experience and flexibility to work overtime, as the advert explicitly requires both.
🤝 Mention any water treatment qualifications (e.g. City & Guilds, Legionella awareness certificates) in a dedicated Certifications section to strengthen your application.
Suggested CV bullets
3 bullets our AI drafted for this specific advert, mirroring its ATS keywords.
Add these 3 bullets under your most recent experience:
- •Conducted 180+ closed system analyses and calorifier pasteurisations annually across 25 commercial sites, maintaining full ACOP L8 compliance throughout a 5-year period.
- •Performed cooling tower cleaning, chlorination, and dead leg removal programmes for 12 industrial clients, reducing Legionella risk assessments flagged as 'high' by 40% over 18 months.
- •Delivered TMV testing, shower head descaling, and water sampling programmes across a portfolio of 30 NHS and commercial buildings, completing all scheduled visits within agreed SLA windows.
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Letter preview — tailored to Penguin Recruitment Ltd
Dear Hiring Manager,
Penguin Recruitment's Water Treatment Engineer vacancy aligns directly with my expertise in ACOP L8 compliance and closed system analysis — two areas central to this role. With over five years delivering water hygiene services across commercial and industrial sites, I have hands-on experience in calorifier pasteurisation, TMV testing, dead leg removal, and cooling tower chlorination, consistently working within regulatory guidelines.
My background in water treatment has taken me across multiple sites nationwide, managing temperature monitoring programmes, conducting tank inspections, and carrying out closed system dosing and remediation. I hold a full clean UK driving licence and am accustomed to flexible scheduling, including overtime when operational demands require it.
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Interview questions
10 questions generated from this advert.
Technical
- ›Walk me through your process for conducting a closed system analysis and remediation on a large commercial site.
- ›How do you ensure compliance with ACOP L8 guidelines during a routine water hygiene inspection?
- ›Describe the steps you follow when carrying out calorifier pasteurisation, including temperature targets.
- ›What checks do you perform before and after chlorinating a water storage tank or cooling tower?
- ›How do you identify and safely remove dead legs from a domestic water system?
Behavioural
- ›Tell me about a time you identified a significant Legionella risk on site — what did you do and what was the outcome?
- ›Describe a situation where you had to manage multiple site visits in a single day across different locations. How did you prioritise?
- ›Give an example of when you had to work overtime or at short notice to complete a critical water treatment task.
- ›Tell me about a time you had to explain a complex water hygiene issue to a non-technical client or building manager.
- ›Describe a situation where you disagreed with a colleague or supervisor about a water treatment procedure. How did you handle it?
STAR answer examples
Model answers using the Situation-Task-Action-Result framework. Adapt to your own experience.
Tell me about a time you identified a significant Legionella risk on site — what did you do and what was the outcome?
Give an example of when you had to work overtime or at short notice to complete a critical water treatment task.