Field Service Engineer – Water Treatment (South East England)

About the role

We are seeking a motivated Field Service Engineer with experience in the water industry to join a long‑standing, family‑run business serving commercial and residential clients across the South of England. The role combines planned preventive maintenance with reactive service, offering a varied day‑to‑day workload and opportunities for overtime.

Key responsibilities

• Perform planned preventive maintenance (approximately 70% of time) on water treatment equipment such as water softeners.
• Respond to reactive service calls (approximately 30% of time) including troubleshooting, repairs and emergency interventions.
• Carry out pre‑commissioning cleaning, sample collection and Legionella risk assessments.
• Maintain accurate service records and ensure compliance with health and safety standards.
• Travel across a Southern England patch, covering sites in Beckenham, Wimbledon, Orpington, London, Epsom, Surrey, Kent and Bromley.

Required profile

• Proven experience as a Field Service Engineer or similar role within water treatment.
• Full UK driving licence.
• Ability to work independently and manage a varied workload.

Required skills

• Water softeners operation and maintenance.
• Pre‑commissioning cleaning procedures.
• Sample gathering and analysis.
• Legionella control and hygiene standards.
• General plumbing and mechanical troubleshooting.

What we offer

• Salary £30,000‑£40,000 per annum.
• Optional overtime and company bonus.
• Company vehicle and benefits package.
• Continuous training and career development.