Service Engineer - Water Treatment

  • OSS
  • Wokingham, Berkshire
  • Feb 27, 2026
Full time Engineering

Job Description

Service Engineer Water Hygiene & Treatment
Location: (Field-Based) South East

Our client, a well-established specialist within the water treatment and water hygiene industry, is seeking a motivated and dynamic Service Engineer to join their growing operations team. With over 30 years industry expertise, they are known for delivering high-quality services to a wide range of clients across London and the South.

The Role as a Service Engineer

In this field-based role, you ll be responsible for delivering a range of water hygiene and treatment services to clients across London and the South. You ll work on a variety of sites, ensuring systems are safe, compliant, and running efficiently, while representing the business with professionalism and excellent customer service.

Your key responsibilities as a Service Engineer will include:

  • Carrying out water hygiene and treatment tasks such as water sampling, temperature monitoring, tank cleans, disinfections, and showerhead descaling.
  • Undertaking closed system testing and supporting the commissioning of specialist water treatment equipment.
  • Ensuring all work is completed in line with current legislation, Health & Safety standards, and company procedures.
  • Producing accurate reports and maintaining clear communication with both clients and the operations team.
  • Mentoring and supporting junior engineers to share knowledge and best practice.
  • Identifying additional remedial works or service opportunities to add value for clients.

About You as a Service Engineer

The ideal candidate will be:

  • Experienced in water hygiene and/or treatment, with knowledge of systems such as water softeners, chlorine dioxide units, UV systems, or dosing plant (desirable).
  • Familiar with HSG274 and ACOP L8 (training can be provided).
  • Ideally holding plumbing and/or electrical qualifications, though not essential.
  • A strong communicator with good organisational skills and computer literacy (Word, Outlook).
  • A flexible and reliable team player with at least 2 years practical site experience.
  • Holder of a full UK driving licence.

What s On Offer

  • Competitive salary (dependent on experience)
  • 22 days annual leave + bank holidays
  • Access to a company van and fuel card
  • Bonus scheme & long service awards
  • Training and career progression via a dedicated academy
  • Supportive, team-focused culture with opportunities to grow

Additional Details

  • 40-hour working week (field-based)
  • 1 in 3 weekend rota (paid overtime)
  • Immediate start available

If you are motivated, customer-focused, and keen to build a career with a respected leader in the water treatment sector, we d love to hear from you.