Warranty & Technical Support Engineer (Nilan Systems - Field Based) in London

Salary: £42,000 – £50,000 per year (experience dependent)

Location: London & surrounding areas

Employment type: Full-time, permanent

Role Type: Field-based / on-the-road

About us

We are the UK supplier of Nilan ventilation, heat recovery, and heat pump systems, providing warranty support, technical diagnostics, commissioning assistance, and product expertise to installers, developers, and end-users.

This position supports our role as the primary UK technical contact for Nilan systems, offering advanced site-based troubleshooting and controller configuration when third-party engineers are unable to resolve issues.

The role

This is a field-based technical support and warranty role. It does not involve installation work.

Key responsibilities:

• Carrying out warranty diagnostics and repairs on Nilan units
• Attending sites to resolve complex faults that other engineers cannot diagnose
• Performing airflow balancing and assisting with system commissioning
• Setting up and configuring Nilan controllers, parameters, and system modes
• Diagnosing issues involving:
• Sensors
• PCBs and controllers
• Heat pump components
• Airflow performance and ventilation issues
• Underfloor heating temperature and flow problems
• Providing remote and on-site technical support to installers and customers
• Producing accurate technical reports and warranty assessments
• Acting as a professional technical representative of the supplier

Candidate requirements

Essential skills:

• Minimum 4–5 years post-apprenticeship experience
• Strong background in MVHR, ventilation, or heat pump systems
• Ability to carry out airflow balancing and system commissioning
• Experience with hybrid ventilation/heating systems
• Understanding of underfloor heating systems and hydronic circuits
• Strong electrical and controls diagnostics, including PCBs and sensors
• Excellent problem-solving abilities and communication skills
• Full UK driving licence

Preferred (but not essential):

• F-Gas Category 1 certification
• Experience with systems such as Nilan, NIBE, Zehnder, Vent-Axia, etc.
• Background in manufacturer-side or warranty support roles
• Knowledge of BMS or Modbus communication

Note: Training will be provided for Nilan-specific systems.

What we offer

• £42,000 – £50,000 salary depending on experience
• Company van and fuel card
• Diagnostic equipment provided (engineer supplies their own hand tools)
• Mobile for reporting and job management
• Manufacturer training on Nilan products
• 28 days annual leave including bank holidays
• Opportunities for long-term progression in a specialised technical role