Senior/Principal Energy Consultant - Advanced Modelling London/remote CTJ3 £50,000 - 65,000 This independent sustainability and engineering consultancy helps businesses and developers integrate low-impact, future-ready solutions without compromising on design or performance. With over a decade of experience, they specialize in sustainable building design, carbon and energy consulting, and product development support-from compliance to lifecycle analysis. The ideal candidate will: Have strong experience in energy modelling use IES including Nabers Design for performance, CIBSE TM54 and LEED energy models. Have at least 5 years' experience in a similar role Have knowledge and experience using ApacheHVAC Be able to advise on building strategies that maximise passive design principles Be a competent thermal modeller (daylight, overheating, thermal comfort)Benefits: Contribute to projects that make a real environmental and social impact. Healthcare Scheme (providing financial support for Optometry, Dental, and other healthcare services) Contributory pension Cycle to work scheme Easily accessible office Team socials and events Work within a small, agile team with a supportive and inclusive work environment. Opportunities to grow in engineering, sustainability, and consultancy roles. Flexible Working - Hybrid and remote options to support work-life balance. Real Responsibility - Meaningful roles with ownership from day one. If you are interested in this Senior/Principal Energy Consultant role, please send your CV to