Senior-Principal Building Physics Engineer (DfP / NABERS / Apache HVAC) London Up to £68k Are you a building performance expert ready to lead on some of the UK's most exciting low-energy projects? One of the UK's top multidisciplinary consultancies is looking for a Senior-Principal Building Physics Engineer to lead the delivery of Design for Performance (DfP) and NABERS UK modelling, with strong experience using Apache HVAC within IES-VE. This is a rare opportunity to take a technical leadership role within a nationally recognised team delivering Net Zero strategies and operational energy modelling at the highest level. The Role * Lead on DfP and NABERS UK performance modelling across a wide portfolio of commercial and mixed-use developments * Deliver detailed simulations using Apache HVAC in IES-VE to support operational energy assessments * Coordinate with internal design teams, external consultants, and architects to influence design from early stage * Develop and manage robust energy strategies that align with Net Zero Carbon and ESG frameworks * Support certification processes and engagement with Independent Design Review (IDR) panels * Mentor junior team members and contribute to service innovation and thought leadership About You * Strong experience with IES-VE, specifically Apache HVAC for operational energy modelling * Proven experience delivering NABERS UK and DfP models to indust...