Guerlain Planning Engineer (Work‑Study / Alternance)

Guerlain is a heritage French maison renowned for its high perfumery and luxury cosmetics, operating within the LVMH perfume & cosmetics ecosystem. The brand combines artisanal savoir‑faire with ambition to elevate product and image, and benefits from the resources and international footprint of a major luxury group.

1. Support the site Planning Engineer in coordinating the site's logistics and planning activities across factory and headquarters stakeholders.
2. Prepare and maintain medium‑term production plans for an assigned product category, reconciling market demand with site capacity and supply constraints.
3. Monitor medium‑term alerts in collaboration with supply planning and ensure adherence to the production plan.
4. Drive medium‑ to long‑term inventory coverage planning for finished goods and semi‑finished products by refining strategic planning parameters.
5. Promote, adapt and disseminate best practices and planning tools across the planning function.
6. Contribute to ad‑hoc projects aligned with business priorities, according to skills and motivation.

1. Currently enrolled in a Bac+5 programme (engineering or business school) with specialization in logistics / supply chain; work‑study (alternance) eligible.
2. Prior professional experience in an internship or work‑study placement within supply chain or planning functions.
3. Strong analytical and synthesis capabilities with a clear appetite for data.
4. Proactive, motivated and able to work autonomously while maintaining rigorous follow‑through.
5. Excellent interpersonal skills and a collaborative mindset to work with cross‑functional teams.
6. Possession of a driving licence and access to a vehicle (site is approximately 10 minutes by car from Rambouillet).
7. Available to start the alternance from September 2026.

1. Excel
2. Power BI
3. SAP
4. Medium‑term production planning
5. Inventory coverage strategy
6. Supply planning coordination
7. Data analysis
8. Cross‑functional stakeholder management

Entry‑level: at least one prior internship or alternance placement in supply chain, logistics or production planning.

Master’s level (Bac+5) in engineering or business school with a specialization in logistics / supply chain.

Guerlain blends historic craftsmanship with contemporary ambition, cultivating a workplace that prizes creativity, product excellence and meticulous attention to detail. As part of the LVMH family, the maison offers exposure to international luxury operations and opportunities to contribute to a brand transformation and elevation agenda.