Sephora Demand Planning Assistant — Europe

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Location
SaranCentre-Val de LoireFrance
Employment
Internship
Seniority
Intern
Department
Supply Chain, Logistics & Inventory
Industry
Perfumes, Cosmetics & Prestige Beauty
Posted
Apr 8, 2026

About Sephora

Sephora is a leading selective beauty retailer and a member of the LVMH group, recognised for a broad assortment of prestige and niche brands alongside its own Sephora Collection. The company operates globally with a strong retail footprint and a centralised supply chain organisation that supports merchandising, store openings and omnichannel operations.

Sephora seeks a Demand Planning Assistant (Alternance) in Saran, France — join the Europe Supply Chain team for demand forecasting and S&OP support.

Role & Responsibilities

  • Produce and correct weekly sales forecasts for European markets, incorporating events, seasonality and external market factors.
  • Analyze forecast accuracy and root causes of deviations; propose and implement model and method improvements.
  • Validate historical sales data and integrate exceptional sales events into forecasting inputs.
  • Monitor forecast alerts and KPIs by country and brand; detect over/under performance and adjust forecasts accordingly.
  • Assess promotional impacts and determine required inventory support for promotional events.
  • Manage launch and 'one-shot' item forecasting and replenishment; monitor stockouts and adapt supply to observed demand.
  • Coordinate with local Supply Chain teams and stakeholders (Commercial, Finance, Marketing) through S&OP meetings and cross-functional updates.
  • Align demand scenarios with purchasing budgets, run simulations and challenge inputs to support procurement decisions.
  • Contribute to continuous improvement projects to enhance forecasting processes and overall supply chain efficiency, including support for store openings.

Qualifications

  • Enrolled in a Master's programme in Supply Chain, Logistics, Industrial Engineering or a closely related field.
  • Available to start in September 2026 and commit to the alternance apprenticeship for the minimum duration requested by the programme (minimum one year).
  • Strong analytical aptitude with numerical rigour and attention to detail.
  • Advanced proficiency in Microsoft Excel and comfortable with the wider Microsoft Office suite.
  • Good written and spoken English.
  • Proactive mindset, good team spirit, and the ability to work in a fast-paced, cross-functional environment.

Skills

Microsoft Excel Microsoft Office S&OP Demand forecasting Forecast accuracy analysis KPI monitoring and reporting Data analysis Stakeholder coordination

Experience

Entry-level / internship: academic background in supply chain or engineering. Prior internships or project experience in demand planning, forecasting or logistics is advantageous but not mandatory.

Education

Master's degree in progress (Supply Chain, Logistics, Industrial/Industrial Engineering or equivalent).

Workplace

The role is situated in Saran, Centre-Val de Loire, France — conveniently close to Orléans.

Culture

Sephora promotes an inclusive, collaborative culture that values diversity and personal development. Employees are encouraged to be entrepreneurial, innovative and to grow through exposure to cross-functional projects within a global beauty community.

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

A.

The luxury industry is characterised by a diverse and nuanced nomenclature. Esteemed houses frequently employ proprietary terminology, and even within a single organisation like Sephora, 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 «Junior Demand Planner», «Demand Planner Assistant», «S&OP Planning Assistant (Apprenticeship)», «Forecasting Analyst — Supply Chain (Apprentice)», and other variations. Our sophisticated search architecture anticipates these variations, ensuring that inquiries using related terms will seamlessly yield the exact roles you desire.