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At Notpla, we’re at the forefront of sustainable innovation, creating natural alternatives to single-use plastic packaging that are carefully engineered to help build a healthier planet. Founded on the belief that  nature knows best , we’re an innovative, action-oriented scale-up developing and manufacturing uncompromisingly natural packaging solutions from seaweed and plants. As an Extrusion Engineer in the Innovation team at Notpla, you'll develop breakthrough natural material technologies into scalable solutions. This role sits at the critical intersection of material science and industrial-scale extrusion processes, where you'll develop and transform innovative biomaterial solutions in the very early stages into commercially viable packaging alternatives that replace single-use plastics. Your expertise in extrusion technologies, including compounding and extrusion coating, will be essential in bridging the gap between laboratory discovery and pilot-to-scale implementation. This is an exciting time to join Notpla - we’re on the brink of a record-breaking year for revenue and on track for major growth in the next 18–24 months. On top of this our Series A+ fundraise, which closed in 2024, is enabling us to scale our growth and environmental impact faster than ever. Beyond offering meaningful roles and a vibrant working environment, Notpla provides competitive compensation, including EMI Share Options, a zero-carbon pension scheme, discounts with local businesses, and subsidised social activities. Our office-first hybrid working policy lets you work in the way that maximises your productivity while maintaining a dynamic and collaborative atmosphere. We’re a social business with regular clubs and events, and we’re proud of how our diverse, mission-driven community works together to make plastic disappear. Led by strong values, all Notpla employees are encouraged to take ownership of their domain, enjoying a high degree of autonomy. Our aim is to build an inspiring culture reflected in our working policies, environment, and people. Your work will be highly collaborative and cross-functional, operating shoulder-to-shoulder with material scientists, material & product designers, consortium, and business development managers. You’ll be responsible for driving complex R&D projects from a concept stage through to scale validation. In particular, you’ll work on a novel extruded material within a large EU-funded project, bringing it from the lab to the market with a diverse team and strong partner consortium. As part of this, you’ll also be responsible for representing Notpla’s technical leadership within the EU consortium, collaborating with partners across the consortium and beyond.  This position demands someone who balances precision with speed and pragmatism: you'll bring rigorous process engineering discipline to a fast-paced innovation environment, while maintaining the fluid, curious mindset needed to pioneer uncharted territory in natural materials. You'll work hands-on in both the laboratory and pilot facilities, designing and executing coating trials, troubleshooting process challenges, and building out the technical knowledge that advances Notpla's mission in a large Horizon project as well as potentially supporting across multiple concurrent projects. Key Responsibilities: Material & Process Development Drive new and existing extruded natural material development projects through formulation and process development into scalable solutions for packaging & disposables applications. Design, organise, execute, and analyse coating trials both in-house and at partner facilities, working hands-on to develop and optimise processes for natural material applications Work with different product groups to prioritise and plan extrusion trials. Lead and coordinate trials, bringing process engineering expertise Troubleshoot coating defects and process challenges thr