Building Performance Engineer in London

Join Buro Happold as a Building Performance Engineer and drive Net Zero Innovation across the globe. This person can be based in our London office on a hybrid working model. If you’re ready to take on greater autonomy, lead defined workstreams, and contribute to some of the most ambitious decarbonisation and building performance projects in the industry, we’d love to hear from you.

About The Role:

As a Building Performance Engineer, you will help drive performance-led design across a diverse portfolio of new and existing buildings, working with internationally renowned architects, developers and public bodies. You’ll contribute to projects ranging from BREEAM Outstanding and NABERS commercial developments to the decarbonisation of complex estates. You will work closely with senior colleagues while increasingly taking ownership of specific work packages, supporting project delivery, and mentoring junior team members.

Key Responsibilities:

• Deliver the full spectrum of building performance and sustainability work, including:

• Leading and supporting net zero carbon building design.
• Producing and reviewing energy models to inform building services and architectural decisions.
• Conducting advanced HVAC and whole-building simulations.
• Carrying out thermal comfort, overheating, and daylighting analysis.
• Supporting façade optimisation and parametric modelling.
• Assessing renewable and low‐carbon technologies.
• Completing embodied and whole life carbon assessments.
• Developing decarbonisation strategies for existing buildings.
• Supporting energy audits and post‐occupancy evaluations.
• Preparing high‐quality reports, presentations, and technical outputs.
• Presenting work to clients and design teams (with support where needed).

At this level, you will also:

• Take responsibility for smaller projects or defined work packages.
• Contribute to programmes, planning, and budget tracking.
• Support bids, competitions, and fee proposals.
• Mentor and support junior colleagues.
• Contract Execution & Signature Management.

What We Are Looking For:

We’re keen to hear from candidates who have:

Qualifications & Experience

• A STEM‐based degree (e.g. Architectural Engineering, Building Services Engineering, Environmental Engineering, Physics).
• At least 2 years’ experience in building performance, sustainability, or building services engineering.

Essential Skills

• Confident written, graphical, and verbal communication.
• Experience delivering building performance analysis independently.
• Strong collaborative approach within multidisciplinary teams.
• Ability to manage your own workload and deadlines.
• Demonstrable commitment to high‐performance, low‐carbon design.
• Understanding of QA processes and technical accuracy.

Preferred Skills

• Knowledge of building services systems and controls.
• Experience with simulation tools (e.g. IESVE, EnergyPlus).
• Familiarity with Rhino/Grasshopper.
• Some scripting or coding exposure (Python, C#, JavaScript).
• Mentoring or support experience with junior colleagues.
• Working toward Professional Registration (or regional equivalent).

At Buro Happold, we believe in creating a better, more sustainable world. You’ll be part of a team that values innovation, collaboration, and excellence. We offer a supportive environment where your contributions make a real difference.

What we offer you:

• Hybrid working arrangements.
• Attractive salary.
• Discretionary bonus.
• Holiday entitlement of 25 days per annum (exclusive of bank holidays) and flexible holiday arrangements.
• Generous company pension scheme, life assurance and income protection.
• Flexible benefits including cycle scheme, dental insurance, optical cover, travel insurance, season ticket loans, and corporate discounts.
• Enhanced parenthood leave policies.
• A strong commitment to continuous development.
• Entitlement to two memberships to professional bodies or subscriptions.
• A commitment to your wellbeing through a comprehensive employee assistance programme and wellbeing activities.
• An opportunity to support your local community and those in society that are most in need, wherever they are located in the world through our Share Our Skills (SOS) programme.
• A supportive and inclusive environment that will welcome you through social and outreach activities from the Young Employees Forum to mentoring.
• An international culture that wherever your career takes you at Buro Happold, you won't be far from exceptional.

Apply now and be where exceptional is everywhere.

A place for everyone:

Buro Happold values an individual's flexible approaches to working patterns as an important part of the way you work and achieve balance. We welcome applications from those who are seeking flexibility in their careers. Our exceptional portfolio of projects is the result of the diversity of thought, identities, backgrounds and experiences that shape us. Appreciating each other’s differences is key, we want employees to feel they don’t have to mask elements of their identity to thrive. We are working to change the lack of representation of marginalised groups in the built environment and are particularly keen to hear from anyone who feels they are underrepresented in the industry. We have much to learn from one another. Embracing difference allows us to develop the most innovative and elegant solutions.

Please let us know if there are any adjustments we could make to the application process to make it easier and more comfortable for you.