Solar Design Engineer
£45k per yearFull-time
Tesla
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
- 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)
- Battery commissioning or advanced training (e.g., GivEnergy, Tesla, SolarEdge)
- Experience leading teams or managing technical workflows
- £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
Vacancy posted 29 days ago
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