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Senior LCA Methodology Engineer – Ingredients & Bioresources

Paris, France

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Senior LCA Methodology Engineer – Ingredients & Bioresources

Paris, France

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  • Reference number: 234308
  • Location: Paris, France
  • Date posted: 27/10/2026
  • Employment type: Full-time
  • Professional field: Research & Innovation
  • Type of contract: Permanent


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

You will report to the Head of Environmental Impact Assessment in Clichy, steering Life Cycle Assessment (LCA) and Product Carbon Footprint (PCF) methodologies for our global ingredients and bioresources portfolio. You will translate complex environmental science into actionable portfolio decisions.

Your main responsibilities will be:

• Lead LCA and carbon footprint methodologies for raw materials, ensuring data accuracy for formula eco-design and extra-financial reporting.

• Partner with external consultants and research bodies, synthesising complex studies into proprietary benchmarks and actionable business recommendations.

• Oversee environmental data governance across carbon, water, and biodiversity metrics, bridging scientific needs with IT eco-design systems.

• Drive methodological evolution to anticipate future international regulatory standards and represent L'Oréal's technical vision in expert working groups.


We Are Looking For

• In-depth expertise in LCA methodologies, carbon accounting frameworks, and tools such as SimaPro and ecoinvent.

• Strong foundation in organic chemistry and bio-based feedstocks to critically evaluate raw material data.

• Proven track record managing large-scale environmental datasets and aligning business requirements with IT eco-design platforms.

• Strong ability to simplify complex technical topics into clear strategic guidance for cross-functional partners.

• Professional working proficiency in both English and French to collaborate across international scientific ecosystems.


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.

• 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 a concrete difference.



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!





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AI Charter: our pact

Why a Pact? At L’Oréal, innovation has been in our DNA for over 115 years. 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. This pact is our commitment to you: we want to be transparent about how we use AI during the recruitment journey, and we invite you to use it in a way that showcases your unique talents. Above all, we believe in a journey that is ethical, transparent, and human.

View our AI Charter

What’s different
about working at L'Oréal?

People often expect a global company of our size to run on rigid rules and strict playbooks. We don’t. What makes L’Oréal different is our entrepreneurial mindset. Whether you work in tech, finance, supply chain, or marketing, you aren’t here just to follow instructions. You are here to take ownership and shape your own projects from day one.

The pace is fast, and the learning curve is steep. But in return, you get the trust to try new things and the support to make a real impact. If you want a role where your voice actually shapes the work and the chance to work in over 40 worldwide brands, this is where you do it.

You’d be a great fit. We’d love to see you apply.

You can apply to a maximum of three jobs within a rolling 30-day window. Please choose carefully.

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  • Research & Innovation, Paris, Île-de-France Region, FranceRemove

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