About the roleWe are looking for a Senior Product Sustainability & LCA Specialist to help quantify and communicate the environmental impact of our products, technologies, services and circular business models. The role sits within ESG Sustainability, reports to the Head of ESG Sustainability and provides globally consistent, evidence-based calculations that support Mission Zero initiatives, customer sustainability objectives, product development, commercial opportunities and ESG reporting. This is a hands‐on specialist role that will directly perform calculations and, where needed, coordinate external consultants or LCA partners, review their outputs and take ownership of the final results as part of ESG Sustainability's integral methodology and governance.

Support Mission

Zero projects by providing technical calculation support within ESG Sustainability. Document assumptions, data sources, limitations and calculation logic in a clear and auditable way. Coordinate external LCA consultants or technical providers when additional expertise or capacity is required, ensuring clear scopes, data inputs, assumptions, timelines and deliverables.

Review, challenge and validate external provider outputs, and take accountability for the quality, consistency and final use of those outcomes as if they were produced internally by the role. Collaborate with the Head of Mission Zero, Product Management, R&D;, Sales, Service, Marketing, Sustainability Reporting, ESG Finance, business‐line stakeholders, customer‐facing teams and external LCA partners.



Provide technical substantiation for customer‐facing sustainability value propositions, tenders, environmental claims and commercial materials.

What you bringMaster's degree in Environmental Engineering, Sustainability, Environmental Science, Chemical Engineering, Industrial Ecology, Engineering or a related discipline. Solid experience in Life Cycle Assessment, product sustainability, environmental footprinting or related fields.

Experience with LCA software and databases such as Sphera/GaBi, SimaPro, OpenLCA or equivalent. Strong analytical and modelling capabilities, with the ability to translate complex data into clear business insights.

Experience coordinating external consultants, technical providers or LCA partners, including reviewing technical deliverables and ensuring the quality of final outputs.

Experience in industrial, manufacturing, mining, engineering or technology environments is an advantage. The successful candidate will combine hands‐on LCA expertise, strong data modelling skills, sound methodological judgement and the ability to coordinate external technical support when needed. The role will be accountable for the quality and final use of calculation outcomes, whether developed directly or with external provider support, helping translate sustainability performance into customer value, product insights and reliable ESG information.

FLS is a leading, full flowsheet minerals processing supplier to the global mining industry.

📌 Senior Product Sustainability & LCA Specialist (Madrid)
🏢 Flsmidth
📍 Madrid