Field Boiler Diagnostics & Customer Support Engineer

Navien Ltd; Guildford; On-site; GBP 35,000 - 40,000; Full time

Benefits offered by this job

Company van

Tablet

Mobile phone

22 days holiday (+ bank holidays)

Pension

Private health insurance

Job summary

Navien Ltd in England is seeking a field-based technician to provide on-site fault-finding and breakdown support for domestic boilers and hot-water products across the East Anglia region. You’ll also handle phone-line support on a rota and assist the sales team with installer events and training sessions.

The role includes diagnosing faults at customer premises, covering the technical helpline, mentoring local service agents, and delivering product training with live demos.

Qualifications

• Boiler fault-finding/breakdown experience, ideally 5+ years.
• Current ACS Core & Boiler tickets (CCN1, CENWAT).
• Full UK driving licence and residence within the region.
• Strong customer skills, good IT knowledge, and self-motivation.
• Desirable: Air-source heat-pump or F-Gas Cat 1 certification.

Responsibilities

• Diagnose and repair boiler faults at customer premises.
• Cover the technical helpline on a weekday and Saturday rota.
• Monitor and mentor local service agents, ensuring standards and stock levels.
• Deliver product training to installers and agents (presentations & live demos).
• Handle customer complaints quickly and cost-effectively.
• Contribute ideas and feedback to the wider technical team.

Skills

Boiler fault-finding

Customer service

IT literacy

Self-motivation

Training delivery

Education

ACS Core & Boiler tickets (CCN1, CENWAT)

Full UK driving licence

Job description

Navien Ltd in England is seeking a field-based technician to provide on-site fault-finding and breakdown support for domestic boilers and hot-water products across the East Anglia region. You’ll also handle phone-line support on a rota and assist the sales team with installer events and training sessions.

The role includes diagnosing faults at customer premises, covering the technical helpline, mentoring local service agents, and delivering product training with live demos.