- Location
- Paris Île-de-France France
- Employment
- Internship
- Seniority
- Intern
- Department
- Supply Chain, Logistics & Inventory
- Posted
- Oct 13, 2026
About Guerlain
Founded in Paris in 1828, Guerlain is one of the world’s most storied maisons of fragrance, beauty and skincare, renowned for its artisanal excellence, scientific innovation and enduring sense of French elegance. As an employer, Guerlain offers the opportunity to contribute to a living heritage where creativity, craftsmanship and responsible luxury meet. Its teams span perfumery, retail excellence, research, marketing, supply chain and corporate functions, united by a passion for exceptional products and client experience. With a strong commitment to biodiversity, sustainability and the preservation of savoir-faire, Guerlain attracts talents who aspire to shape the future of beauty while honoring nearly two centuries of legacy.
The Demand and Supply Planning Intern supports sales forecasting and operational logistics to ensure Guerlain product availability across selective distribution, boutiques and e-commerce. This six-month internship begins in January 2027 and is based in Paris’s 1st arrondissement; it provides exposure to the end-to-end value chain in the luxury perfumes and cosmetics industry.
Role & Responsibilities
- Work closely with the France teams and international Supply Chain.
- Help consolidate Sell-In forecasts and ensure data quality.
- Monitor key performance indicators (KPIs), including forecast reliability, service rate and stock coverage.
- Implement necessary corrective actions and manage potential allocations.
- Update the POSM plan in the statistical modelling tool.
- Contribute to the monthly and quarterly launch forecasting process.
- Coordinate the logistics of new product placements in Retail, informing boutiques and institutes of their respective quantities and upcoming availability dates.
- Track initial Sell-Out results and adjust Sell-In accordingly.
- Monitor stock levels and flag potential risks of stockouts.
- Share all product availability information with field teams.
- Assist with special order management, including exceptional products and B2B sales.
- Prepare materials for S&OP (Sales & Operations Planning) meetings.
- Support the organisation of promotional sales, including offers, pricing and replenishment.
Qualifications
- Currently studying at business school, engineering school or an equivalent university programme at Bac +4/5 level.
- Ideally, initial experience in Demand Planning, Supply Chain or Data Analysis.
- Demonstrates rigour, organisational skills, team spirit and an interest in data.
- Proficient in Excel and PowerPoint.
- Knowledge of the SAP ERP system is an advantage.
Skills
Experience
Entry-level; ideally, initial experience in Demand Planning, Supply Chain or Data Analysis.
Education
Currently studying at business school, engineering school or an equivalent university programme at Bac +4/5 level.
Workplace
The successful candidate will be located in Paris, Île-de-France, France.
Explore jobs in Île-de-France or in France.
Culture
Guerlain cultivates a refined workplace culture rooted in French artistry, exceptional craftsmanship, and a deep respect for its heritage in fragrance and beauty. As an employer, it values creativity, excellence, and sustainability, encouraging teams to combine innovation with the Maison’s enduring sense of elegance and purpose.
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 Guerlain, 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 Planning Intern», «Supply Chain Planning Intern», «Supply Forecasting Intern», «Demand and Inventory Planning 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.