Technical Sales Support Engineer

Grant UK; Leeds; On-site; GBP 35,000 - 55,000; Full time

Job summary

Grant Engineering UK is seeking a Technical Sales Support Engineer to provide hands-on technical support to Renewable and Field Sales teams, helping to develop ASHP business and strengthen relationships with installers and customers.

The role covers site surveys, system design, commissioning, training and fault finding, working with Technical, Design, Training and Customer Services teams to deliver excellent customer support.

Qualifications

• Experience in heating, plumbing, building services or renewables.
• Solid knowledge of heat loss calculations and pipe sizing.
• Experience with site surveys, system design, commissioning and fault finding.
• Strong communication with installers, engineers and customers.
• Hands-on, proactive problem solving in a field-based role.
• Familiarity with MCS standards and Building Regulations.
• Experience with Air Source Heat Pumps, especially Grant ASHP.
• Knowledge of electrics in heating systems and renewables.
• Knowledge of home or commercial heating systems.

Responsibilities

• Provide technical sales support to installers and external sales team.
• Build relationships with customers through technical support.
• Attend site visits: site surveys, heat loss calculations, system design.
• Deliver product commissioning, handovers, assessments and fault finding.
• Provide on-site training and technical presentations.
• Identify sales opportunities and refer leads to sales.
• Promote training for installers and engineers.
• Travel extensively across the region.

Skills

Air Source Heat Pumps

Hydronics knowledge

Heat loss calculations

Site surveys

Customer-facing communication

Independent field-work

Grant ASHP experience

MCS knowledge

Problem solving

Job description

Working for Grant Engineering UK as a Technical Sales Support Engineer, you will provide hands‑on technical support to the Renewable and Field Sales teams, helping to develop new Air Source Heat Pump (ASHP) business and strengthen relationships with existing installers and customers.

You will provide technical expertise across site surveys, system design, commissioning, training and fault finding while also working collaboratively with Technical, Design, Training and Customer Services teams to deliver excellent customer support.

This is a field‑based role, preferably covering Central and Northern UK, with flexibility to support other areas when required.

Duties & Responsibilities

• Provide technical sales support to installers and the external sales team. Also responsive to product support on phone and email.
• Build strong relationships with customers and installers through professional, practical technical support.
• Attend customer and site visits, including:
  • Site surveys, heat loss calculations and system design.
  • Sales and technical training visits.
  • Product commissioning, handovers, system analysis and fault finding
  • On‑site training and technical presentations.
• Identify technical, product and service trends and escalate concerns appropriately.
• Identify potential sales opportunities and refer leads to the relevant sales team.
• Promote appropriate training for installers and engineers.
• Travel extensively across the region, including occasional overnight stays.

Skills & Experience

• Experience within the heating, plumbing, building services or renewable energy industry.
• Strong technical knowledge of heating systems and hydronics.
• Good understanding of heat loss calculations, pipe sizing, radiator sizing and flow rates.
• Understanding of heating system electrics and renewable heating technologies.
• Excellent communication and interpersonal skills, with the ability to work confidently with installers, engineers, sales teams and customers.
• A practical, hands‑on and proactive approach to problem solving.
• Ability to work independently and manage a varied, field‑based workload.
• Experience with Air Source Heat Pumps and/or Grant ASHP systems.
• Knowledge of MCS standards and relevant Building Regulations.
• Experience with oil‑fired boilers, biomass, solar thermal or unvented hot water systems.
• Recognised hydronics training or qualification, such as Heat Geek, Northampton Heating Academy or Warmur Academy.

Knowledgeable on Home or Commercial Heating Systems