- Location
- Neuilly-sur-Seine Île-de-France France
- Employment
- Internship
- Seniority
- Intern
- Department
- Supply Chain, Logistics & Inventory
- Posted
- Oct 29, 2026
About La Mer
La Mer is a globally revered luxury skincare house, born from Dr. Max Huber’s quest to harness the restorative power of the sea and defined by its iconic Miracle Broth™. As an employer, La Mer offers talent the rare opportunity to work at the intersection of scientific curiosity, artisanal precision, and high-touch luxury service. Within the Estée Lauder Companies portfolio, the brand cultivates a culture of excellence, collaboration, and thoughtful innovation, where teams contribute to exceptional client experiences, refined product storytelling, and uncompromising quality. La Mer seeks individuals who bring elegance, integrity, and a passion for transformative beauty.
La Mer is hiring a Demand Planning Intern for a six-month internship in its EMEA offices in the Paris area. The intern will support demand forecasting, new product launches, KPI analysis, master data and S&OP / IBP preparation, working with regional and local teams across EMEA.
Role & Responsibilities
- Produce and maintain accurate sales forecasts for markets within the portfolio.
- Develop and maintain New Product Launch (NPL) forecasts in collaboration with regional and affiliate Marketing teams.
- Conduct monthly KPI analysis to identify the root causes of forecast variances and support corrective actions.
- Analyze historical data and contribute to improving forecast accuracy.
- Manage and maintain master data to accurately reflect product life cycles.
- Maintain promotional item usage plans in collaboration with affiliate Marketing teams.
- Support the Regional Demand Planning team in preparing S&OP / IBP meetings.
- Contribute to continuous improvement initiatives, including developing and deploying forecasting tools and processes.
- Collaborate with regional and local teams across EMEA to align demand forecasts with business priorities.
Qualifications
- Currently studying at an engineering school or business school, or pursuing a Master’s degree, ideally specializing in Supply Chain, Operations or a related field.
- Strong analytical skills, attention to detail and excellent problem-solving abilities.
- Strong organizational skills and ability to manage multiple priorities.
- Strong interpersonal and communication skills.
- Ability to work independently and collaboratively in an international, multicultural environment.
- Strong proficiency in Excel.
- Knowledge of Power BI, including creating, updating and using reports, is a strong asset.
- Fluent in English, with the ability to confidently participate in English-language meetings and discussions.
Skills
Education
Currently studying at an engineering school or business school, or pursuing a Master’s degree, ideally specializing in Supply Chain, Operations or a related field.
Workplace
This position is based in Neuilly-sur-Seine, Île-de-France, France, within easy reach of Paris.
Explore jobs in Île-de-France or in France.
Culture
La Mer fosters a refined, innovation-led workplace where scientific curiosity, artisanal craftsmanship, and a deep respect for the brand’s ocean-inspired heritage shape every decision. As an employer, it encourages collaboration, excellence, and high-touch service, empowering teams to deliver transformative luxury skincare experiences with precision and care.
About Cerulean
Cerulean is the definitive career portal for the global luxury industry. We match exceptional professionals with exclusive opportunities at the world's most prestigious brands. From haute couture and fine watchmaking to prestige beauty, hospitality, and boutique retail, Cerulean centralises luxury employment to help you find the career for which you were destined.
Frequently Asked Questions
The luxury industry is characterised by a diverse and nuanced nomenclature. Esteemed houses frequently employ proprietary terminology, and even within a single organisation like La Mer, titles may vary across global markets to reflect local conventions. To ensure absolute clarity, Cerulean assigns a standardised, industry-coherent canonical title to every listing. However, it is worth noting that this role is functionally synonymous with «Demand Forecasting Intern», «Supply Planning Intern», «Demand Planning Assistant Intern», and other variations. Our sophisticated search architecture anticipates these variations, ensuring that inquiries using related terms will seamlessly yield the exact roles you desire.