This website uses cookies to ensure you get the best experience.

Installio and our selected partners use cookies and similar technologies (together “cookies”) that are necessary to present this website, and to ensure you get the best experience of it. If you consent to it, we will also use cookies for analytics purposes.

See our Cookie Policy to read more about the cookies we set.

You can withdraw and manage your consent at any time, by clicking “Manage cookies” at the bottom of each website page.

Select which cookies you accept

On this site, we always set cookies that are strictly necessary, meaning they are necessary for the site to function properly.

If you consent to it, we will also set other types of cookies. You can provide or withdraw your consent to the different types of cookies using the toggles below. You can change or withdraw your consent at any time, by clicking the link “Manage Cookies”, which is always available at the bottom of the site.

To learn more about what the different types of cookies do, how your data is used when they are set etc, see our Cookie Policy.

These cookies are necessary to make the site work properly, and are always set when you visit the site.

Vendors Teamtailor

These cookies collect information to help us understand how the site is being used.

Vendors Teamtailor
Skip to main content
London · Hybrid

Solar Design Engineer

Are you passionate about accelerating the UK’s transition to clean energy? Installio is looking for a driven and knowledgeable Solar Design Engineer to join our growing team, helping us deliver high-quality, compliant, and efficient renewable energy systems across the country.

As one of the UK’s fastest-growing renewable installation companies - and a trusted partner for solar retailers, installers, and manufacturers - Installio is on a mission to build the leading nationwide network of clean-energy professionals.

Tasks

We’re seeking a Solar Design Engineer to oversee the technical design, specification, and quality assurance of residential solar and battery systems. You'll take ownership of system design, provide expert technical support, and ensure all installations meet MCS standards, electrical regulations, and manufacturer requirements.

Responsibilities

  • Lead the end-to-end technical design of residential solar PV and battery storage systems

  • Produce compliant solar PV layouts, inverter/battery specifications, cable schedules, and single-line diagrams

  • Validate roof layouts, shading analysis, and system performance estimates

  • Ensure all designs meet MCS standards, G99/G100 compliance, and DNO requirements

  • Provide technical guidance to installers, project managers, and customers

  • Troubleshoot technical issues and refine system designs based on installer feedback

  • Develop and improve internal design processes, templates, and tools

  • Stay up to date with solar and battery technologies, standards, and best practices

Requirements

Required

  • Proven experience designing and specifying solar PV and battery systems

  • Strong understanding of electrical installation practices and BS 7671

  • Experience with MCS standards for solar PV and battery storage

  • Confidence interpreting surveys, photos, and roof plans

  • Ability to identify risks, compliance issues, and design optimisations

  • Excellent attention to detail and a methodical approach

  • Strong communication skills and confidence advising installers

  • Comfortable working in a fast-moving, growing startup

  • UK driving licence (site visits)

  • Solar PV design software experience (e.g., PVSol, Helioscope, OpenSolar)

Nice to have

  • Battery commissioning or advanced training (e.g., GivEnergy, Tesla, SolarEdge)

  • Experience leading teams or managing technical workflows

Benefits

  • £45K annual salary plus bonus

  • 28 days holiday per year (incl. national holidays)

  • Company vehicle

  • Opportunity to shape processes in a rapidly growing renewable business

  • Modern, supportive, and inspiring work environment

Locations
London
Remote status
Hybrid
Picture of Michael May
Contact Michael May CEO – Leadership
London · Hybrid

Solar Design Engineer

Loading application form

Applicant tracking system by Teamtailor