Renewables Design Specialist Location: Cardiff Salary: £35,000 to £40,000 (dependent on experience) Contract Type: Full-time, Permanent Reports to: Operations Manager About the Role UnifyHQ is proud to be working in partnership with our client, a leading energy efficiency provider delivering grant-funded retrofit solutions across South Wales. Their work spans solar PV, battery storage, air source heat pumps and insulation, with a strong focus on compliance, quality, and carbon reduction. We are seeking a technically minded Renewables Design Specialist to lead the design, specification, and optimisation of low-carbon energy systems. This role supports domestic and commercial installations, ensuring all designs meet MCS standards, Building Regulations, and industry best practice. Key Responsibilities • Produce detailed technical designs, schematics, and layout drawings for solar PV, battery storage, ASHP, and ventilation systems (PIV, dMEV) • Carry out load, yield, and performance calculations using specialist design software • Specify components and materials to ensure efficiency, quality, and cost-effectiveness • Prepare technical documentation for installation teams, subcontractors, and customers • Ensure compliance with MCS standards, BS 7671 wiring regulations, and manufacturer requirements • Conduct feasibility assessments and energy modelling based on site surveys, EPC data, and clie...