Survey & Design Engineer - Renewables

Installio; Swindon; On-site; GBP 36,000 - 44,000; Full time

Benefits offered by this job

Company vehicle

Commission on-target earnings

28 days holiday

Modern and inspiring workplace

Job summary

Installio is seeking a Technical Survey and Designer to lead site surveys for residential heat pump and solar installations across the UK. You will ensure designs are technically sound, energy efficient, and tailored to homeowners, working on-site and collaborating with field teams.

This role suits hands-on renewables engineers aiming to move off the tools, with experience in heating systems, building fabric, heat loss, and MCS standards.

Qualifications

• Proven experience in heat pump systems.
• Strong understanding of building fabric, heat loss, and hydronic systems.
• Great with customers.
• Familiarity with MCS standards and compliance requirements.
• Excellent attention to detail and ability to balance efficiency with accuracy.
• Comfortable working in a fast-paced, evolving startup environment.
• Willing to drive to up to 2 surveys each day.
• Clean UK driving licence.

Responsibilities

• Lead technical site surveys (on-site) to assess heat pump suitability.
• Conduct detailed heat loss calculations and system sizing.
• Provide technical guidance to installation teams and project managers.
• Support the development of survey and design processes and tools.
• Troubleshoot and refine designs based on real-world feedback from installs.
• Stay current with industry standards, products, and best practices.

Skills

Heat pumps

Building fabric

Hydronic systems

Customer service

MCS standards

Attention to detail

Startup environment

Driving surveys

Education

NVQ3 heating

BPEC qualification

Job description

Are you committed to making a positive impact on the climate? Installio is on the hunt for an enthusiastic individual to join our dynamic team as a Heat Pump and Solar surveyor and designer, ready to help tackle the UK’s net-zero transition.

As a UK-wide renewables installation company and a trusted partner for heat pump retailers and manufacturers, our goal is to become the number 1 installer in the UK. With big ambitions, a commitment to a sustainable future, and a focus on creating an inspiring workplace, Installio is at the forefront of the UK's net zero transition.

Tasks

We're looking for a Technical Survey and Designer to spearhead the surveying and system design process for residential heat pump and solar installations. You’ll play a critical role in ensuring every install is technically sound, energy efficient, and tailored to the customer's home. You’ll lead site surveys (in-person on site), develop accurate heat loss calculations, as well as support our field teams with technical support.

This is an exciting opportunity for someone with hands-on plumbing or renewable heating experience, looking to move off the tools.

Responsibilities:

• Lead technical site surveys (on-site) to assess heat pump suitability

• Conduct detailed heat loss calculations and system sizing

• Provide technical guidance to installation teams and project managers

• Support the development of survey and design processes and tools

• Troubleshoot and refine designs based on real-world feedback from installs

• Stay current with industry standards, products, and best practices

Requirements

You’ll be an experienced renewables engineer with knowledge of heating system design and the ability to fault find.

• Proven experience in heat pump systems

• Strong understanding of building fabric, heat loss, and hydronic systems

• Great with customers

• Familiarity with MCS standards and compliance requirements

• Excellent attention to detail and ability to balance efficiency with accuracy

• Comfortable working in a fast-paced, evolving startup environment

• Willing to drive to up to 2 surveys each day

• Clean UK driving licence

Preferable:

• NVQ 3 or above qualification in plumbing or heating

• BPEC or equivalent qualification in heat pump design

• Experience leading a team or managing technical workflows

Benefits

• Base salary of £40K annually

• Commission structure with on-target earnings of over £50k

• 28 days of holidays per annum (incl. national holidays)

• Company vehicle

• Modern and inspiring work environment