L'Oréal

Senior Lca Methodology Engineer Ingredients And Bioresources

Senior individual contributorOperations

Listed on L'Oréal’s official careers site. Listed as of November 9, 2026. Check that it is still open and apply there.

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Job description

Senior LCA Methodology Engineer – Ingredients & Bioresources (Clichy, France) We’re L'Oréal. We're not just building brands, we're shaping how the world experiences beauty (and it takes a lot of cool jobs to do it). Intrigued? Keep reading. A Day in the Life Reporting to the head of the 'Environmental Impact Assessment' team, you will operate at the heart of a multidisciplinary ecosystem. Your daily life will involve embodying technical expertise and data mastery to serve the Group's sustainability strategy.

You will act as a key interface between the internal needs of R&I and external expert partners, ensuring that LCA science translates into concrete business orientations.

Methodology Guardian& Value Internalization

  • Act as one of the LCA and product carbon footprint (PCF) methodological referents within the department for the ingredients and bioresources (feedstocks) of the L'Oréal portfolio.

Guarantee the reliability of impact data used for extra-financial reporting (notably carbon), the eco-design process of our formulas, and internal studies on the Group's sustainability challenges.

Internalize added value

analyze and synthesize key concepts shared by external providers to enrich internal expertise and build our collective knowledge base.

Leading and connecting

  • Agilely lead technically a large portfolio of impact studies and contribute to prioritizing needs and intersecting the Group's major environmental challenges with operational reality (volumes, material criticality).

Translate business needs into technical data for consultants, perform critical analysis of their results, and transform them into clear, actionable strategic recommendations. Support internal partners in interpreting results and evaluate the environmental relevance of new ingredients compared to current portfolio benchmarks.

Data Governance & Digital Ecosystem

  • Guarantee the quality, traceability, and consistency of environmental data (used for carbon, water, and biodiversity needs) generated by our team and partners.

Optimize data collection and management processes by bridging the gap between business needs and IT teams (eco-design tools, databases). Continue developing the interface between feedstocks, ingredients, and raw materials for a multi-level understanding of impact.

Methodological Development

  • Transform scientific and regulatory monitoring into levers for action: contribute to reflections on the evolution of our methods to anticipate future framework changes. Participate in expert working groups to represent L'Oréal's technical vision.

We Are Looking For You are passionate about environmental science and enjoy navigating complexity without losing sight of the final objective.

Education

Engineering degree or Master’s (Bac+5) in Environment, Chemistry, or Agronomy.

Technical Expertise

Mastery of LCA concepts , as well as associated software and databases (SimaPro / ecoinvent). A good understanding of carbon accounting frameworks is an asset.

Scientific Foundation

Knowledge of organic chemistry is essential to understand the nature of our ingredients and challenge data.

Experience

Minimum of 3 years of experience, preferably 5 years, in an industrial sector or consulting firm.

Soft Skills Agility & Strategic Perspective

Strong intellectual agility allowing you to juggle multiple subjects and connect technical points to global strategic issues (climate, biodiversity, resources).

Synthesis & Pedagogy

You know how to simplify complexity and communicate clearly with non-expert stakeholders.

Project Leadership & Proactivity

You take ownership of your topics, anticipate roadblocks, mobilize the right people, and drive initiatives through to delivery.

Data Mindset

A marked appetite for database management and IT tools. Operational rigor is second nature to you.

Collaboration

You enjoy working in networks and know how to navigate a complex organization where success depends on collective intelligence rather than solitary execution.

Languages

Native-level or bilingual French ; Fluency in English is mandatory (international and scientific context). What's In It For You At L’Oréal, you’ll lead with purpose, shaping the future of beauty alongside visionary teams. You’ll be empowered to drive strategic impact, inspire collective growth, and leave a lasting legacy. The opportunity to shape the environmental assessment standards of the world leader in beauty. A strategic role at the crossroads of science, data, and ecological transition.

An environment that values expertise put to the service of collective intelligence.

Who We Are

Research & Innovation at L'Oréal is a continuous quest to push boundaries and invent the beauty of tomorrow. We combine science, nature, and technology to develop sustainable, safe, and high-performance formulas, creating products that empower individuals and shape responsible beauty for all. We are committed to inclusive recruitment processes and promoting every candidate ethically and fairly. The Group strictly prohibits discrimination against any candidate for employment based on gender identity, sexual orientation, disability, background, age, religion, or any other characteristic protected by law.

Ready to shape the future of L'Oréal Beauty? Apply now and let's start the conversation! La Recherche & Innovation au service de la Beauté La Diversité à L'Oréal R&I LinkedIn L’Oréal Groupe

Qualifications

Masters

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