Sephora Assistant Performance Manager (Work‑Study)
- Employment
- Internship
- Seniority
- Intern
- Department
- E-Commerce, Digital & Data Analytics
- Posted
- Apr 7, 2026
About Sephora
Sephora is a global leader in prestige beauty retail, operating a large multi‑brand assortment alongside its proprietary Sephora Collection. As part of the LVMH group, the brand is recognised for its retail innovation, strong omnichannel capabilities and an inclusive, trend‑setting approach to beauty. Sephora attracts diverse talent passionate about customer experience, product curation and digital commerce.
Sephora — Neuilly‑sur‑Seine: Assistant Performance Manager (Work‑Study) alternance in digital paid media and campaign performance.
Role & Responsibilities
- Support setup and execution of paid media campaigns across channels including affiliation, social media, display, SEA and app‑install campaigns for the French market.
- Draft clear agency and creative briefs and liaise with external agencies to ensure deliverables meet objectives and timelines.
- Coordinate creative asset production and approvals in close collaboration with animation, offer and advertising teams.
- Monitor campaign KPIs, prepare performance reports and contribute to post‑campaign analyses and optimisation recommendations.
- Assist with day‑to‑day campaign operations, tracking, quality control and documentation of workflows.
Qualifications
- Enrollment in a business school or digital programme focused on advertising, media, e‑commerce or digital marketing.
- Strong interest in digital marketing and web performance, with demonstrable curiosity for paid media.
- Ideally one previous internship or work experience in media, an advertiser or an agency.
- Good analytical skills with the ability to synthesise performance data into concise insights.
- Adaptable, rigorous, well organised and comfortable working with cross‑functional teams.
Skills
Experience
Entry‑level (beginner). Suitable for a student in a work‑study/alternance programme; ideally one prior internship or exposure to media/agency environments.
Education
Business school or digital‑focused degree (advertising, media, e‑commerce, digital marketing).
Workplace
This position is based in Neuilly‑sur‑Seine, Île-de-France, France, within easy reach of Paris.
Culture
Sephora fosters an inclusive, collaborative and innovation‑driven culture where diversity is celebrated and personal development is encouraged. Teams operate in an entrepreneurial, fast‑paced environment with strong emphasis on creativity and omnichannel excellence.
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 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 «Performance Marketing Assistant (Alternance)», «Paid Media Assistant (Work‑Study)», «Acquisition Marketing Assistant», «Digital Performance Assistant», and other variations. Our sophisticated search architecture anticipates these variations, ensuring that inquiries using related terms will seamlessly yield the exact roles you desire.