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Internship
CEO Right-Hand Intern
Join us to support the CEO on finance, reporting, grants, and go-to-market strategy across multiple markets and initiatives worldwide.
Paris
January 2026
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Internship
CEO Right-Hand Intern
Join us to support the CEO on finance, reporting, grants, and go-to-market strategy across multiple markets and initiatives worldwide.
Paris
January 2026
Apply Now
CEO Right-Hand Intern
We're looking for a CEO Right Hand Intern to work directly with our founderâCEO on finance, strategy and growth. You will prepare key analyses and reports, follow grants and fundraising topics, and support go-to-market projects across several countries in a mission-driven water-tech startup.
who you are
- Academic Background
Student or recent graduate from a top engineering or business school, with strong analytical and quantitative skills and a clear interest in finance and strategy. - Management Aptitude
Good understanding of core management topics (finance, strategy, marketing) and the ability to structure problems and translate numbers into clear insights. - Technical Proficiency
Strong command of Microsoft Excel, PowerPoint and Word. Comfortable building financial models and clean presentations that support decision-making. - Soft Skills
Proactive, organised and reliable team player, able to manage several topics at once, work closely with the CEO and take ownership of your work. - Language Abilities
Fluency in English is essential. French is a strong plus; any additional European or MENA language is an advantage. - Professional Experience
Previous internship experience in fast-growing start-ups, consulting, audit, banking, M&A or corporate strategy is considered a strong asset.
What Youâll Be Doing
You will work hand-in-hand with the CEO on a mix of financial, strategic and operational topics. Expect a high level of exposure, responsibility and variety, from deep-dive analyses to preparing key meetings and following up on action plans.
- Financial Reporting
Prepare monthly dashboards and concise notes for the CEO and shareholders, tracking KPIs and highlighting risks and opportunities. - Financial Modelling & Presentations
Build and update financial models and investor or board presentations used for fundraising, grants and internal scenario planning. - Budget Review & Analysis
Support annual and quarterly budgeting, analyse variances with teams and propose actions to improve financial efficiency and resource allocation. - Grants and Financing
Help identify grant and financing opportunities, prepare application files and ensure follow-up on deliverables and reporting obligations. - Go-to-Market & Business Planning
Contribute to market sizing, pricing simulations and country business cases to guide expansion and product rollout decisions. - Strategic Projects
Take ownership of ad-hoc strategic topics (partnerships, industrialisation, new product economics), from research and benchmarking to clear recommendations.
Join a Startup Thatâs Redefining Access to Water
At Kumulus Water, weâre solving a simple but urgent problem: how to bring clean drinking water where itâs needed most. Our innovative machines pull water from the air, providing a sustainable, off-grid solutionâwithout the need for pipes or infrastructure.
From schools to hotels to businesses, our technology is already making an impact, cutting plastic waste and offering a reliable alternative in water-scarce regions. With a fast-growing team in Paris, Madrid, and Tunis, and partnerships across Europe, Africa, and the Middle East, weâre scaling quicklyâand we need ambitious people to help us grow.
Why Youâll Love This Role
- High-Impact Mission
Work on a project that directly improves access to safe drinking water while reducing plastic waste and COâ emissions. - Direct Exposure to Leadership
Collaborate closely with the CEO and leadership team and see how strategic and financial decisions are made in real time. - Steep Learning Curve
Gain hands-on experience across finance, strategy, operations and go-to-market, building a strong generalist toolkit early in your career. - International Environment
Interact with teams and partners across France, Tunisia, Spain, Saudi Arabia and other markets, in a multicultural, fast-moving context. - Real Responsibility
Own your topics from day one. Your analyses and recommendations will feed into board, investor and strategic discussions. - Career Springboard
An ideal stepping stone for future roles in consulting, VC, entrepreneurship or strategy/finance positions in high-growth companies.
Recruiting Process
- Step 1: HR interview - 30-minute call to review background, motivation, availability and basic fit with the role and company.
- âStep 2: Interview with the CEO - 45â60-minute interview with Iheb to discuss experience, way of working, and expectations on both sides.
- âStep 3: Case Study - Take-home or live case on a finance/strategy topic (e.g. simple model + short note). Debrief with the CEO and one team member.
- Step 4: Culture-fit conversation - Informal discussion with 1â2 team members to validate culture fit, answer questions and close the loop before offer.