Service Engineer - Water Hygiene & Water Treatment
Location: Field-based (South UK)
Salary: Competitive + OT + Company Vehicle
Employment Type: Full-time, Permanent
Industry: Water Hygiene / Water Treatment
Join a Growing Company
We're supporting a well‑established technical services organisation in the water treatment & water hygiene sector, who are expanding their engineering team due to continued growth. This is an exciting opportunity for an experienced Service Engineer looking to develop their skills across a wide range of commercial and industrial water systems.
You'll be joining a supportive, highly skilled team where no two days are the same, with excellent training and progression opportunities available.
The Role
You'll carry out a variety of water hygiene and water treatment tasks across client sites. Typical duties include:
Water Hygiene & Monitoring
Monthly temperature monitoring at sentinel outlets and calorifier flow/return
Weekly flushing of reduced useage outlets
Showerhead and hose descale & disinfectionSystem Servicing & Compliance
TMV servicing (6‑monthly and annual)
Expansion vessel purging
Cold-water storage tank inspections (cleanliness, integrity, vermin screens, supports)
Calorifier inspections, blowdowns & borescope checks
Water softener servicing
Cleaning & disinfection of tanks, pipework, and associated servicesWater Treatment
Cooling towers, closed systems & boiler checks (weekly/monthly/quarterly/annual)
Sampling: Legionella, TVC, and closed systems
Chemical dosing, calibration & equipment checks
RO system maintenance
Filtration system replacement/backwashing
UV system cleaning and lamp replacementRemedials & Additional Tasks
Dead-leg removal
Equipment installation
Tank compliance upgrades
Chemical dosing via pot or pump, with interpretation of water results
What We're Looking For
Essential
Proven experience in water hygiene and/or water treatment
Ability to demonstrate competency in some or all of the technical duties listed above
Ability to interpret test results and dose closed systems appropriately
Strong communication and reporting skills
Valid UK driving licence - maximum of 6 points
Desirable
Knowledge of HSG274, ACOP L8, and BG50
Plumbing or electrical experience
Experience using test kits for cooling towers, boilers, and closed systems
RO, UV, chemical dosing, or filtration system experience
Qualifications
No mandatory qualifications required - plumbing or electrical qualifications are an advantage.
Why Apply?
Company vehicle & fuel card
Overtime available (including weekend rota)
Training and development through a dedicated technical academy
Long-term progression opportunities
Supportive, friendly engineering team
Interested?
Apply now with your CV, or contact us for a confidential discussion.
Should you require any support or assistance, please contact your local Gi Group office.
Gi Group Holdings Recruitment Limited are proud founding members of Menopause in business, pledge members for Neurodiversity in business, Disability committed members, Silver status pledge members for the Armed Forces Covenant, and Bronze trail blazers for Racial Equality matters.
Gi Group Holdings Recruitment Limited group of companies includes Gi Recruitment Limited, Draefern Limited, Gi Group Recruitment Ltd, INTOO (UK) Limited, Marks Sattin (UK) Limited, TACK TMI UK Limited, Grafton Professional Staffing Limited, Encore Personnel Services, Gi Group Ireland Limited and Kelly Services (UK) Ltd. Gi Group Ireland Limited are acting as an Employment Agency in relation to this role.
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