Building Physics Engineer

Overview

As a Building Physics Engineer in Cardiff, you help clients achieve sustainability and net-zero goals through building performance analysis and energy modelling. You will contribute to a multidisciplinary team, guiding design decisions across sectors from healthcare to education. The role focuses on delivering thermal and energy simulations, compliance calculations, and façade performance, shaping low-carbon outcomes. This opportunity lets you work on high-profile UK projects within a forward-thinking consultancy that prioritises sustainability and technical excellence.

Pay / Benefits

• Competitive salary
• Flexible and hybrid working
• Company pension
• Private healthcare
• Professional membership support
• Structured career development

Responsibilities

• Dynamic thermal modelling using IES-VE
• TM52 and TM59 overheating assessments
• Energy and carbon assessments
• Part L compliance calculations
• NABERS and operational energy modelling support
• Daylight and sunlight assessments
• Building performance optimisation and façade analysis
• Supporting sustainability and net-zero carbon strategies
• Collaborating with MEP engineers, architects and wider design teams throughout project lifecycles

Key requirements

• Experience in Building Physics, Sustainability or Building Services
• Proficiency using IES-VE
• Knowledge of UK Building Regulations and energy compliance
• Experience undertaking thermal and energy modelling assessments
• Strong communication skills and ability to work in multidisciplinary teams
• A genuine passion for sustainable design and low-carbon buildings
• Desirable: familiarity with BREEAM, NABERS or Passivhaus principles
• Desirable: experience delivering operational energy modelling
• Relevant degree in Building Services Engineering, Sustainability, Environmental Engineering or related discipline

• Strong communication
• Collaborative mindset
• Passion for sustainability
• IES-VE
• TM52
• TM59

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