Job Summary:
This internship sits at the heart of the company.
The objective is to support the Chief of Staff in executing and structuring the company’s most critical priorities as HyLight scales.
The intern will work across finance, operations, strategy and administration, helping transform ideas into concrete actions while ensuring smooth execution of day-to-day priorities.
This role is designed for highly versatile individuals who enjoy solving problems, bringing structure to ambiguity and taking ownership of a wide variety of topics.
The Mission:
Under the guidance of the Chief of Staff, you will contribute to the execution and structuring of key company initiatives.
Financial Planning & Analysis
- Support financial planning, forecasting and budgeting activities
- Maintain and improve business planning tools and dashboards
- Assist in financing, fundraising and grant-related projects
- Produce analyses to support decision-making
Structuring & Business Operations
- Improve internal processes and organizational efficiency
- Build and maintain reporting and management tools
- Support cross-functional projects involving multiple teams
- Contribute to the company’s operational scaling
Executive Support & Special Projects
- Prepare presentations for investors, customers, partners and institutions
- Conduct research and analyses on strategic or operational topics
- Coordinate administrative and operational tasks supporting the leadership team
- Organize business trips, meetings and events
- Take ownership of high-priority projects assigned by the CEO or Chief of Staff
Profile Sought:
Education:
Currently enrolled in a leading Engineering School, Business School or University program.
Relevant backgrounds include:
- Engineering
- Business & Management
- Finance
- Economics
- Entrepreneurship
- Innovation Management
- Or similar disciplines
We care far more about your ability to learn quickly and execute effectively than your specific academic background.
The following list of skills is exhaustive, while you may not perfectly fit with the profile, we highly value personal growth and development. We see our interns as potential future team leads at HyLight.
Core Qualities
We are looking for a true Swiss-army knife profile.
Someone capable of rapidly understanding a topic, structuring it and moving it forward with limited supervision.
What matters most
- Strong execution mindset
- Structured thinking
- Intellectual curiosity
- High ownership
- Ability to manage multiple priorities
- Excellent communication skills
- Comfort working in ambiguous environments
- Strong attention to detail
- Languages: English & French
Technical Skills
- Excel / Google Sheets
- PowerPoint / Google Slides
- AI tools (ChatGPT, Claude, etc.)
- Strong written communication
Bonus Qualities:
- Previous experience in a startup
- Experience in consulting, venture capital or finance
- Interest in deeptech, aerospace or energy
- Entrepreneurial mindset
- Ability to automate workflows and improve processes
What We Offer:
- Direct exposure to the CEO and leadership team
- Significant autonomy and responsibility and visibility across all company functions
- Opportunity to contribute to a high-growth deeptech startup
- 100% reimbursement of public transport pass (Navigo) or €800/year for sustainable commuting
- Bike provided for commuting
- Free lunch
- Bi-annual offsite trips with the whole team
- Excellent work environment: international team, team events, beautiful offices on a former airbase
Interview Process:
- Introductory phone call (20 min)
- Video interview with our CoS Erwan (40 min)
- Technical test
- On-site meeting with the team (40 min)
Location:
- Office : Base 217, Brétigny-sur-Orge, accessible via RER C.