Job Opening: Internship – Sustainable Building and Energy Efficiency Engineer (M/F)

Sinteo, a rapidly growing engineering and consulting firm specializing in sustainable real estate, is seeking future talent. We advocate for simplified, resilient buildings that are carbon-neutral and energy-neutral.

Your responsibilities:

You will join the Operations division, which is at the heart of performance challenges related to existing buildings.

Under the guidance of a line manager, you will work on a variety of assignments, such as:

· Analyze and optimize the energy and carbon performance of commercial buildings: audits, assessments, building management system studies, and ESG evaluations;

· Participate in the energy monitoring of real estate portfolios and help implement concrete action plans;

· Provide support for environmental certification processes for building operations (HQE Exploitation, BREEAM In-Use, etc.);

· Contribute to strategic and regulatory monitoring of technical innovations and industry developments.

These assignments will give you a firsthand look at the realities of the building sector and help you understand how the energy transition is being implemented on a day-to-day basis.

This internship will give you the opportunity to develop :

· A practical understanding of how buildings operate and perform during their operational life;

· Skills in analyzing energy and environmental data;

· A comprehensive overview of ESG certification and assessment processes;

· Cross-functional work experience, collaborating with experts from a variety of fields (technical, environmental, strategic).

· You’ll gain independence, expertise, and a deeper understanding of the sustainable real estate sector.

The Sinteo Environment

Joining Sinteo means becoming part of a company on a human scale where cooperation, trust, and knowledge sharing are essential.

You'll work in a challenging yet supportive environment, where everyone is encouraged to learn, contribute ideas, and grow.

The atmosphere is friendly, and there are many opportunities for group activities (seminars, internal events, workshops, etc.).

Terms and Conditions:

· Bonus: 1,200 € gross per month

· Benefits: meal vouchers (60%), Navigo pass (50%) or a contribution toward a Vélib’ subscription, gym membership (Gymlib), employee welfare committee, regular internal events

· Duration: 6 months

· Start: Beginning in February 2027

· Location: Paris

Your assets

If you do too :

· Do you want to take action to ensure that real estate aligns with climate goals?;

· You want to play an active role in the environmental transition;

· You’re curious, energetic, and full of ideas.

… then you might really like this internship.

Our business

Onet, a French family-owned group founded in 1860, is an international player in engineering and services. Its more than 70,000 employees work every day to help create ever healthier, safer and more reliable environments.

More about Onet

Sinteo strives for real estate that serves living beings, combining the expertise of a technical design office with the vision and dynamism of a consulting firm. With offices in Paris, Bordeaux and Marseille, we support our customers in optimizing building performance and comfort, from design to operation. Our 80 employees work to make buildings simpler, more resilient and carbon- and energy-neutral. Sinteo is part of the Onet Group.

Are you interested in this offer?

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