6-MONTH INTERNSHIP - STARTING JANUARY 2027 - PROCESS INNOVATION & CFD SIMULATION - MASTER'S ½ - €1700/MONTH

About
Notre Raison d'être : Créer la beauté qui fait avancer le monde.
Le désir de beauté est une force puissante qui nous fait avancer. La beauté ne se limite pas à l’apparence. Elle nous donne confiance en nous, en qui nous voulons être, et dans notre relation avec les autres.
Depuis plus d’un siècle, nous exerçons ce métier unique : créateur de beauté. Notre but est d’offrir à tous, partout dans le monde, le meilleur de la beauté en termes de qualité, d’efficacité, de sécurité et de sincérité pour satisfaire tous les besoins et désirs de beauté dans leur infinie diversité.
Et Parce Que Nous Sommes Le Leader De La Beauté, Nous Sommes Conscients Que Tout Ce Que Nous Faisons Peut Avoir Un Impact Significatif. C’est Pourquoi Nous Agissons Pour
Inventer le futur de la beauté en ayant recours au meilleur de la technologie et de la science, inspirées par la nature.
Faire avancer l’innovation sociale en offrant à nos collaborateurs le meilleur en matière de conditions de travail, de formation et de protection sociale.
Construire une entreprise toujours plus inclusive qui reflète la diversité des consommateurs que nous servons.
Nouer des partenariats durables avec nos clients et fournisseurs, basés sur la confiance et le développement mutuels.
Œuvrer partout pour la cause des femmes et au développement des communautés qui nous entourent.
Protéger la beauté de la planète en luttant contre le changement climatique, en respectant la biodiversité et en préservant les ressources naturelles.
Job Description
6-MONTH INTERNSHIP - Starting January 2027 - Process Innovation & CFD Simulation - Master's ½ - €1700/month
Life is too short for a boring career!
At L'Oréal Groupe , work doesn't mute you, it amplifies you. We believe your career should give you the same thrill, drive and fulfillment as your personal interests. Here, creativity drives innovation and ideas become impact. Grow across brands, markets, and divisions, and take your career in any direction you choose. With the global scale of L'Oréal, your growth knows no boundaries.
Why join L'Oréal?
88% of our interns are proud to work at L'Oréal.
87% recommend L'Oréal for an internship.
(Internal Satisfaction Survey - June 2026)
Ready for an experience that makes a difference?
Responsibilities
Your missions As a member of the SPI team, a small team with an entrepreneurial spirit, you will contribute to the digital transformation of process innovation. Your main responsibilities will include:
CFD simulation: develop and run simulations of cosmetic manufacturing processes (mixing of high-viscosity fluids, heat transfer, flow in filling lines, particle dispersion, emulsification).
Data analysis: analyze and interpret results, correlate them with experimental data and make recommendations to optimize processes.
Optimization through experimentation: compare your results with pilot-scale or industrial-scale trials, working with process engineers and R&I scientists.
Methodologies: help improve simulation methods (meshing, validation, post-processing scripts).
Collaboration: present your findings to varied audiences (chemists, process engineers, production teams).
Preferred Experience
Your profile
You are enrolled in a Master 1 or Master 2 program (engineering school or university), looking for a gap-year or final-year internship, with a specialization in numerical simulation, fluid mechanics or process engineering (to be validated) .
CFD experience with software such as StarCCM+, Comsol or Ansys Fluent.
Eagerness to learn through numerical simulation and physical experimentation.
Entrepreneurial spirit.
Fluent in English and French.
AI Charter: Our Pact
At L'Oréal, innovation has been in our DNA for over 110 years. Today, AI accelerates this innovation-through skin biotech, the development of connected devices, or creation tools like CreAItech . As we invent the future of beauty, we see Artificial Intelligence as a powerful co-pilot, with the firm belief that technology must always serve people. Aware of the impacts of AI, L'Oréal carefully assesses the social, environmental, and societal impact of its AI systems and works to mitigate any potential or actual harm. This requirement is part of our broader conviction that economic and environmental performance are inseparable. If you would like to learn more about our use of AI, click here .
Your benefits
Remuneration: €1,700 per month
Transportation: 75% of public transport costs covered
Remote working: 1 day of remote working per week
PaidLeave: 1 day per month
The L'Oréal Groupe Perks
Access to the L'Oréal Learning Platform to develop your skills
Staff sales at preferential rates
Friends & Family sales
Depending on the campus: gym, concierge services, etc
The Recruitment Process
Recruiter interview - 30 min:To introduce yourself and discuss the position & the L'Oréal Group
Meeting with your potential future manager - 45 min:To discuss the missions of the role
L'Oréal Group
Join L'Oréal, the world leader in beauty, present in over 150 countries with a portfolio of 37 international brands across four divisions: Consumer Products, Professional Products, Dermatological Beauty, and Luxury.
At L'Oréal, we create beauty that moves, inspires, and unites. Our mission is to invent the future of beauty by combining the best of technology, science, and natural inspiration, and to offer everyone inclusive, responsible, and forward-looking beauty.
And because equal opportunities and diversity are strong values within the Group, as a beauty leader, we consider every application.
Whatever your gender identity, sexual orientation, visible and/or invisible disability( ies ), social or cultural origins, health status, age, religion, or any other element that makes you unique, our teams will carefully review your profile.
Additional Information
Contract Type: Full-Time
Location: Aulnay-Sous-Bois
Possible partial remote

Work arrangement
Yes