Field-Based Technical Sales Engineer – Renewables

RES-Distribution Ltd; Caddington; On-site; GBP 42,000 - 62,000; Full time

Benefits offered by this job

Company car

Excellent benefits

Job summary

RES is seeking a Field Based Technical Sales Engineer to survey sites, design heat pump systems, and oversee MCS-compliant installations across the East of England. The role requires strong technical insight, customer-focused collaboration with installers, and reliable handover of projects.

You will travel to sites, deliver quotations, and provide remote support while coordinating with the sales team. A background in heat pump design and compliance is essential.

Qualifications

• Level 3 NVQ or equivalent in Plumbing & Heating.
• LCL/BPEC Heat Pump Design & Installation.
• G3 Unvented Hot Water, WRAS, and MCS standards knowledge.
• Proven experience in low-temperature hydraulic design and electrical fault-finding.
• Consultative mindset to translate technical data for non-technical customers.
• Based in/around East London or Ipswich with willingness to travel.

Responsibilities

• Conduct technical site surveys, agree system specifications with installers/homeowners, produce on-site quotations, commission Air Source Heat Pump systems, complete handovers, and resolve issues via remedial visits.
• Produce room-by-room heat loss calculations, system designs and performance assessments using design tools; compile technical proposals and quotations; maintain CRM records.
• Act as Nominated Technical Supervisor for regional MCS projects, ensuring subcontracted installations meet MCS standards & Building Regulations.
• Provide phone-based and remote technical support; maintain relationships with installers; serve as a consistent technical contact.

Skills

Consultative mindset

Customer communication

Technical troubleshooting

Education

Level 3 NVQ or equivalent

Heat Pump Design & Installation (LCL/BPEC)

MCS standards knowledge

Tools

CRM software

Job description

RES is seeking a Field Based Technical Sales Engineer to survey sites, design heat pump systems, and oversee MCS-compliant installations across the East of England. The role requires strong technical insight, customer-focused collaboration with installers, and reliable handover of projects.

You will travel to sites, deliver quotations, and provide remote support while coordinating with the sales team. A background in heat pump design and compliance is essential.