We are seeking a motivated Energy and Sustainability Engineer and Certified Non-Domestic Energy Assessor to join our growing team. The ideal candidate will have at least two years experience in building performance modelling, EPC and energy assessments, and sustainable design strategies for commercial and domestic properties. Responsibilities: Domestic and non-domestic EPC assessments. Conduct dynamic simulation modelling using IES and other software. Produce SBEM and SAP calculations for new and existing buildings. Undertake complex optioneering assessments to determine optimal retrofit strategies. Apply building physics principles to inform sustainable design and energy efficiency improvements. Provide expert advice on carbon reduction strategies for new builds and retrofits. Collaborate with project teams, clients, and consultants to integrate sustainability into development briefs. Requirements: Bachelor’s degree or higher in Sustainable Design, Energy Engineering, Building Technology, Sustainable Architecture, or a related field. Minimum 2 years of experience in a similar role. Proficiency in IES and dynamic simulation modelling tools. Certified or willing to become certified as a commercial/domestic Energy Assessor. Certified or willing to become certified with WELL/NABERS/LEED/FITWELL and other green certification schemes. Knowledge or formal training in building physics and retrofit strategies. Knowledge or formal training in Whole Life Carbon Assessment using OneClick LCA or similar. Strong analytical skills with the ability to evaluate multiple sustainability options. Familiarity with UK building regulations, energy performance, and retrofit standards. Interest in architectural design and proficiency in CAD/Revit is desirable but not essential. What We Offer: Opportunity to work on a varied range of feasibility and construction projects throughout the UK. Diverse work-role in a start-up environment. Flexible working environment and generous holiday allowances. Generous discretionary bonus scheme. Out of office hours working to be recovered as time-off in lieu. Support for professional development, including Energy Assessor and other training and certification. A fun, collaborative and innovative working environment. To Apply: If you are interested, or know anybody that might be, please send an email to: infodeveleco.co.uk Thank you