Principal Sustainablity Consultant

Sustainability Consultant - / IES Modelling Location: Leeds (or hybrid / nearby regions considered) Salary: Competitive + benefits Experience: Minimum 3 years Job Type: Permanent Overview We are seeking an experienced Sustainability Consultant / Building Performance Engineer with strong expertise in IES modelling, operational energy assessments, and low‑carbon building design. The role sits within a specialist sustainability & building performance team working on a broad range of projects across the built environment. This is an excellent opportunity for someone looking to grow within a forward‑thinking consultancy environment, working on cutting‑edge sustainability and energy‑performance projects. Key Responsibilities Deliver IES VE modelling across a range of building types Carry out operational energy modelling, including NABERS and BREEAM ENE01 assessments Complete modelling and reporting for Part L (compliance and optimisation) Undertake overheating analysis using approved methodologies Prepare technical reports, evidence documents, and sustainability assessments Work closely with multidisciplinary design teams to support low‑carbon strategies Provide technical input on energy performance and building simulation best practice Skills & Experience Required Essential: Minimum 3 years' experience in sustainability, building performance or energy modelling Strong ability with IES VE Experience in operational energy modelling Knowledge of NABERS, BREEAM ENE01, and associated energy credits Strong understanding of Part L and associated compliance pathways Experience of overheating modelling (TM52 / TM59 or equivalent) Strong communication skills and ability to work within project teamsDesirable: Experience in wider sustainability or carbon consultancy Understanding of net‑zero carbon strategies Degree in engineering, environmental science, sustainability or similar What's on Offer Excellent career progression Exposure to high‑profile sustainability projects Supportive team environment with technical development opportunities Competitive salary + benefits package We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status