FOUNDERS ASSOCIATE - INTERNSHIP OR APPRENTICESHIP
About
Estuaire is a Paris-based startup aiming to reduce the climate impact of aviation.
Estuaire develops a data platform and climate impact reduction technologies.
The company specializes in non-CO₂ effects, such as aircraft contrails. The startup was founded by two former Airbus employees and collaborates with companies such as Safran, Vueling, or Vinci Airports
Job Description
As a Founders Associate, you will work directly with Estuaire’s two co-founders and play a central role in building the company. You will contribute to strategic, operational and growth topics, and gain a 360° view of how a climate-tech startup scales.
Your Missions
Business & Strategy
We are looking for a motivated, curious and impact-driven candidate.
Must-haves
Recruitment Process
→ A short “day-at-work” case to understand your approach to real situations
Additional Information
Estuaire is a Paris-based startup aiming to reduce the climate impact of aviation.
Estuaire develops a data platform and climate impact reduction technologies.
The company specializes in non-CO₂ effects, such as aircraft contrails. The startup was founded by two former Airbus employees and collaborates with companies such as Safran, Vueling, or Vinci Airports
Job Description
As a Founders Associate, you will work directly with Estuaire’s two co-founders and play a central role in building the company. You will contribute to strategic, operational and growth topics, and gain a 360° view of how a climate-tech startup scales.
Your Missions
Business & Strategy
- Identify and reach out to potential customers
- Pitch our solution and gather product feedback
- Support fundraising: investor outreach, pitch decks, follow-ups
- Contribute to certifications, partnerships, and ecosystem positioning
- Write articles, posts and newsletters on aviation sustainability
- Manage communication channels (LinkedIn, newsletter, X)
- Monitor performance metrics and suggest improvements
- Draft and review contracts, procurement items and legal documents
- Support hiring: screening, interviews, coordination
- Contribute to team organization as we grow
We are looking for a motivated, curious and impact-driven candidate.
Must-haves
- Strong interest in climate, sustainability or aviation
- Currently studying business, economics, or a related field
- Excellent written English
- Autonomy, reliability and the ability to get things done
- A creative, problem-solving mindset
- Prior experience in startups, consulting or BD
- Interest in tech, regulation or environmental policy
- French is a plus but not required
Recruitment Process
- 15-minute interview with our current Founders Associate
- 30-minute interview with the co-founders
→ A short “day-at-work” case to understand your approach to real situations
Additional Information
- Contract Type: Internship (Between 6 and 12 months)
- Start Date: 01 September 2026
- Location: Paris
- Occasional remote authorized