Graduate Building Physics Engineer - Buildings - 2026 (Cardiff)

With every community, Stantec redefines what's possible.

Application Deadline: Recruitment is ongoing. Please apply as soon as possible as the advert may close once we have sufficient applicants.

We're looking for a Graduate Building Physics Engineer to join our progressive, award-winning Mechanical & Electrical Engineering team in our Cardiff office, joining our 2026 Graduate Programme, where you'll be delivering sustainable projects for our communities, planet and society.

This is a fantastic opportunity to join a team which specialises in the delivery of building services, energy and sustainability services, where we offer a fresh approach by getting involved early, working collaboratively with the design team, guiding design development and using our expertise to help clients make key decisions - an approach that always results in a building that delivers.

Our Building Physics Engineers contribute technical expertise to building performance and energy modelling projects across the UK. You will work closely with multi-disciplinary teams to optimise building performance and deliver practical, low carbon design solutions.

As a Stantec graduate, you will collaborate with your team and wider cohort, developing your expertise within an exciting and creative interdisciplinary environment and will benefit from strong support from both office and technical colleagues, as well as significant guidance from senior staff within our open and collaborative culture.

• Working on live projects from the start in a variety of sectors from healthcare to education
• Work collaboratively on development of sustainable energy strategies for new build and existing buildings using dynamic thermal modelling
• Using Revit, AutoCAD and 3D BIM modelling software in design production
• Assess building performance and operational energy optimisation
• Gain certification and aid compliance within Building Regulations across England, Scotland and Wales
• Participating in design team and client meetings
• Undertaking site visits or surveys
• Researching and implementing new technologies
• Assess a project's ability to achieve Net Zero and BREEAM targets
• Continuous CPD and learning opportunities
• Your typical work might include Part L assessments, Thermal comfort analysis (TM52/TM59), Operational Energy modelling (TM54) and Heating / Cooling load calculations.

Take a look at one of our projects - Techniquest - Engineering Services, and review the career journey of our Stantec graduates here: Stantec Career Stories.

At Stantec, we value your potential over past experience. Along with a degree and/or master's qualification in a relevant mechanical engineering, electrical engineering or building services engineering subject, and a keen interest in our industry, we'd love to receive your application if you are:

• An Adapter: You're able to remain calm in new and changing situations, comfortably switching between a variety of dynamic and exciting tasks.
• A Perseverer: You stay composed in the face of setbacks, approaching challenges with confidence and determination.
• A Collaborator: You work effectively with lots of different people, considering others' perspectives to shape better outcomes.
• A Problem Solver: You love to give your thoughts based on what you see, being unafraid to challenge conventional thinking.

Please note, we ask our graduates to come into the office at least 4 days per week, to ensure that colleagues are able to provide the appropriate level of support.

• A competitive salary
• Private medical insurance
• A range of benefits, including holiday buy and sell, group income protection and life assurance
• Permanent employment contract to demonstrate our commitment to your long term career at Stantec
• Professional progression plan, supporting you to attain professional status
• A supportive and collaborative team environment and Early Careers peer group and wider ERG network (see more on our ERGs here: Stantec Employee ResourceGroups)

Applicants must have an unconditional right to live and work in the UK for an indefinite period without limitation.

Please take a look at our Graduate FAQs (Graduate Application FAQs) if you have any questions. We look forward to receiving your application!