A Day in the Life

As a Microbiology Technician, you will join our Research & Innovation team at the Chevilly site. Reporting to Margaux François Elissalde, you will play a key role in ensuring the quality of our products and consumer safety, while contributing to cutting-edge innovation projects (e.g., probiotics, beauty devices, food supplements).

Your main responsibilities will be to:

• Perform rigorous microbiological analyses (challenge tests, cleanliness controls, identifications) in strict compliance with Q-EHS rules and established procedures.
• Independently conduct technical studies, including protocol development, method optimization, and the exploration of new techniques.
• Analyze and interpret complex microbiological data using digital tools (LIMS, PowerBI) to turn raw results into actionable insights for product innovation.
• Actively participate in the development of new tests to support innovation, especially for food supplements and probiotics.

We Are Looking For

We are looking for an individual with strong intellectual curiosity and scientific rigor. Your ability to quickly learn new methods and your comfort with digital tools will be major assets. The ideal candidate has:

• A higher education degree (equivalent to Bachelor's or Master's) in Microbiology or Biological Analysis.
• Confirmed experience in microbiology within the cosmetic, pharmaceutical, or food industry.
• Mastery of fundamental and alternative microbiological analysis techniques (e.g., flow cytometry, molecular biology).
• Strong data analysis skills and an aptitude for digital tools.
• An excellent team spirit, autonomy, and a proactive, proposal-driven mindset.

What’s In It For You

• A place for you to leave your comfort zone and grow beyond your potential (here, you’ll be encouraged to try new things and take risks!)
• Real responsibility from day 1, there’s no sitting on the sidelines at L’Oréal
• An environment where people of every ethnicity, social background, age, religion, gender and sexual orientation as well as people with disabilities are accepted, can speak up, will thrive and are celebrated!
• A place where you can contribute to something bigger! Many of our brands have societal /environmental causes to make concrete difference

Who We Are

L’Oréal is present in 150 markets on five continents. For more than a century, L’Oréal has devoted itself solely to ‘Create beauty that moves the world’; it is now the industry world leader with €42 billion consolidated sales. Together, we solve complex challenges at scale, while making sure we stay committed to making the world a more inclusive and a better place for everyone & our planet.

At L’Oréal Research & Innovation we are pushing the boundaries of Science & Tech. We invest heavily in cutting-edge research, leveraging advanced technologies to understand skin, hair, and microbiome, while discovering new active ingredients and launching outperforming formulas. Our 4,100 L'Oréal R&I experts leverage Science & Technology to invent safe, trustable, sustainable & responsible beauty products and experiences that will change people’s lives.

You will find below some links to learn more about our company:

• La Recherche & Innovation au service de la Beauté
• Diversity at L'Oréal R&I
• LinkedIn L’Oréal Groupe