Sustainability Intern, Net Zero Buildings and Green Building Certifications
Pubblicato il 04-10-2026 - catalyst-group in Milano
Job Summary
Catalyst is looking for a motivated Sustainability Intern to join our Milan office on a paid, tempo pieno six month placement run in partnership with the Politecnico di Milano.
The role is split roughly in half. One half is net zero buildings and dynamic energy modelling in IES, covering operational energy, forecast primary energy consumption and overheating analysis. The other half is the delivery of BREEAM and LEED certifications on live projects across Italy and Europe.
Working alongside senior consultants, the successful candidate will build and run energy models, review design and construction documentation against certification requirements, prepare and manage credit evidence, and help produce the technical notes and reports that go to clients and assessors. The placement is open to master’s students, who can link it to a final thesis, and to recent graduates.
Key Responsibilities
- Build and run dynamic energy models in IES and use them to test design options with the project team.
- Produce operational energy assessments,
forecasts of primary energy consumption and overheating analysis.
- Analyse how passive design measures, HVAC and other active systems, and construction methodologies affect building performance.
- Support net zero and decarbonisation strategies for existing buildings and new developments.
- Review design and construction documentation against BREEAM and LEED credit requirements and flag gaps.
- Prepare and organise the evidence required for each targeted credit and maintain credit trackers and scorecards.
- Draft technical notes, credit templates and sections of modelling and certification reports.
- Liaise with clients, design teams and contractors, and support submissions to the assessor.
- Take part in project meetings and site inspections.
Essential Skills
- A degree, or studies nearing completion, in Building Engineering, Energy Engineering, Architectural Engineering, Environmental Engineering or a related discipline.
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