Work Your Magic with us! Start your next chapter and join MilliporeSigma. Ready to explore, break barriers, and discover more? We know you’ve got big plans – so do we! Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Healthcare, Life Science, and Electronics. Together, we dream big and are passionate about caring for our rich mix of people, customers, patients, and planet. That's why we are always looking for curious minds that see themselves imagining the unimaginable with us. This role does not offer sponsorship for work authorization. External applicants must be eligible to work in the US. Your Role: A Principal Membrane Engineer within the Filtration Research and Development department will assist in the design, development, and testing of novel filtration products/technologies suitable for the manufacture of therapeutic biopharmaceuticals. You will apply solid scientific and engineering principles to Lead the design and development of membrane technology and processes. Conduct research to innovate and improve membrane materials and technologies. Collaborate with cross-functional teams to integrate membrane solutions into product development. Work across all levels of the organization in conceptualization, initiation to the final delivery of novel product and technology platforms. Routinely apply solid scientific and engineering principles and direct a diverse team on projects with high complexity and difficulty. Perform technical evaluations and feasibility studies for new membrane applications. Analyze data, generate reports and conduct technical presentations on membrane performance and efficiency. Mentor and guide junior engineers and researchers in membrane technology. Stay updated on industry trends and advancements in membrane technology. You will also be expected to contribute to the product and manufacturing process validation of these products for use in a diverse range of applications within the biotechnology industry.