BESS Design EngineerRugby 45,000 - 50,000 + Progression + Renewable Energy + Technical Leadership + Growing Business An excellent opportunity for a BESS Design Engineer to join a rapidly expanding organisation operating at the forefront of renewable energy, battery storage and smart grid solutions. This role offers the chance to take technical ownership of commercial-scale Battery Energy Storage System design while playing a key role in delivering innovative low-carbon energy projects across the UK.This organisation has developed a strong reputation for delivering high-quality renewable and smart energy solutions across commercial and public sector projects. With significant growth in battery storage and grid connected systems, they are now seeking a technically strong BESS Design Engineer to lead design and specification activities while supporting project delivery. This is a long-term opportunity with clear technical progression within a forward-thinking industry.As a Battery Specialist, your responsibilities will include: Designing commercial-scale Battery Energy Storage Systems Producing detailed technical documentation including single-line diagrams, cable schedules, layout drawings and equipment specifications. Ensuring compliance with G99/G100, BS 7671, DNO requirements and relevant fire safety regulations. Maintaining up to date knowledge of battery technologies and regulatory developments.The successful Battery Specialist should have: Minimum 3 years'' experience in