Lead Scientist - R&D Purification

Slough, UK

Join Lonza’s cutting-edge R&D team in Slough and play a pivotal role in advancing next-generation purification technologies. This is a hands-on scientific role where you will drive innovation in downstream processing and contribute to the development of intensified, scalable purification solutions for biologics.

• An agile career and dynamic working culture
• An inclusive and ethical workplace
• Competitive compensation that recognises high performance
• A range of benefits tailored to your role and location
• Opportunities to work on innovative technologies shaping the future of biologics manufacturing
• The full list of our global benefits can be found here: https://www.lonza.com/careers/benefits

• Design and execute experimental studies to develop and optimise purification processes for biologics
• Evaluate and implement advanced chromatography and filtration technologies for intensified downstream processing
• Develop scalable purification workflows, including chromatography and tangential flow filtration (TFF)
• Analyse complex datasets using statistical tools to generate data-driven insights and recommendations
• Author high-quality technical reports and present findings to cross-functional stakeholders
• Collaborate with multidisciplinary teams across R&D, MSAT, and manufacturing to enable technology transfer
• Provide scientific leadership, contributing to innovation, troubleshooting, and continuous improvement initiatives

• Degree in Biotechnology, Chemistry, Chemical Engineering, or a related field (advanced degree preferred)
• Strong hands-on experience in protein purification, including chromatography (affinity, ion exchange, HIC, mixed mode)
• Knowledge of downstream processing techniques such as TFF, UF/DF, and filtration operations
• Experience developing scalable purification processes for biologics (e.g. monoclonal or bispecific antibodies)
• Strong data analysis skills with the ability to interpret complex datasets and draw clear conclusions
• Ability to independently design experiments and apply scientific problem-solving approaches
• Excellent communication and collaboration skills, with the ability to work effectively across teams

At Lonza, our people are our greatest strength. With 30+ sites across five continents, our globally connected teams work together every day to manufacture the medicines of tomorrow. Our core values of Collaboration, Accountability, Excellence, Passion and Integrity reflect who we are and how we work together. Everyone’s ideas, big or small, have the potential to improve millions of lives, and that’s the kind of work we want you to be part of.

Innovation thrives when people from all backgrounds bring their unique perspectives to the table. At Lonza, we value diversity and are committed to creating an inclusive environment for all employees. If you’re ready to help turn breakthrough ideas into viable therapies, we look forward to welcoming you.

Ready to shape the future of life sciences? Apply now.