Technical Engineer

RES Limited; Chard Town; On-site; GBP 42,000 - 54,000; Full time

Benefits offered by this job

Company car

Excellent benefits

Annual leave and pension

Job summary

RES Limited in the United Kingdom is seeking a Field Based Technical Sales Engineer to drive renewables projects across East England. You will survey sites, design systems, generate quotations, and oversee installations, ensuring adherence to MCS standards and Building Regulations.

The role requires hands-on technical input, travel across the region, and a consultative approach to translate complex data for homeowners and installers. A company car and comprehensive benefits are included.

Qualifications

• Proven experience in field-based technical sales for renewables.
• Knowledge of heat pump design and installation.
• Knowledge of MCS standards and WRAS.
• L3 NVQ Plumbing & Heating or equivalent.
• Willingness to travel across East England.

Responsibilities

• Conduct technical site surveys and agree system specifications with installers and homeowners.
• Produce on-site quotations and commission Air Source Heat Pump systems.
• Compile technical proposals and quotations and maintain CRM records.
• Act as Nominated Technical Supervisor for regional MCS projects and ensure compliance.

Skills

Technical sales

Customer-focused

Problem solving

Communication

Travel readiness

Education

Level 3 NVQ Plumbing & Heating

LCL/BPEC Heat Pump Design & Installation

G3 Unvented Hot Water/WRAS knowledge

MCS standards knowledge

Tools

CRM software

Design tools for heat loss calculations

Job description

As a Field Based Technical Sales Engineer you'll be responsible for:

• Conducting technical site surveys, agreeing system specifications with installers and homeowners, producing on-site quotations, commissioning Air Source Heat Pump systems, completing system handovers, and resolving technical issues through remedial visits.
• Produce room-by-room heat loss calculations, system designs and performance assessments using company design tools and established processes, with full training and technical support provided. Compile technical proposals and quotations for the sales team, ensuring accurate project records are maintained within the CRM system.
• Acting as the Nominated Technical Supervisor for all regional MCS projects, ensuring every subcontracted installation adheres to MCS standards and Building Regulations.
• Providing phone-based and remote technical support, maintaining strong working relationships with assigned installers, and acting as a consistent technical point of contact. Plumbing & Heating: Level 3 NVQ or equivalent.
• Heat Pumps: LCL/BPEC Heat Pump Design & Installation.
• Compliance: G3 Unvented Hot Water, WRAS, and a comprehensive knowledge of MCS standards.
• Technical Expertise: Proven experience in low-temperature hydraulic design and electrical fault-finding.
• Soft Skills: A "consultative" mindset with the ability to translate technical data into actionable insights for non-technical customers.
• Logistics: Based in/around East London or Ipswich, with a willingness to travel and occasional overnight stays. Competitive Salary + Company Car + Excellent Benefits

Technical Sales Engineer - Field Based - RES - Renewables - East England So, who are we? We are RES, a part of the Wolseley Group - a leading specialist trade merchant across the UK and Ireland. We pride ourselves in putting our people and customers at the heart of everything we do - and best of all, provide opportunities to develop skills and build careers through our award-winning Wolseley Talent Guild. Also, did we mention? In addition to the competitive salary, there are also benefits on tap - including . Annual leave (increasing with length of service), a generous pension scheme (matched up to 9%), potential to earn bonuses, enhanced maternity/adoption leave and access to a great range of online and high street discounts. We also promote positive health and wellbeing by offering free access to healthcare, our popular YuLife app, our Cycle to Work scheme and more!, This is a full-time, permanent, field based role working 42.5 hours per week Monday to Friday between 8am - 5pm.