Senior Scientist - R&D (G08)

Posted Job Advert
R&D Purification Scientist
Location: Slough, UK (Hybrid working available)

Today, Lonza is a global leader in life sciences operating across five continents. While we work in science, there’s no magic formula to how we do it. Our greatest scientific solution is talented people working together, devising ideas that help businesses help people. In exchange, we let our people own their careers. Their ideas, big and small, genuinely improve the world — and that’s the kind of work we want to be part of.

Based in Slough, this is an exciting opportunity to join our R&D Purification team developing and optimizing next-generation bioprocessing technologies. You will contribute to innovative purification and primary recovery/primary separation process advancements that drive Lonza’s position as a leader in biologics manufacturing.

• An agile career and dynamic working culture

• An inclusive and ethical workplace

• Compensation programs that recognize high performance

• A variety of benefits depending on role and location

• The full list of our global benefits can also be found on Lonza Careers Benefits.

• Plan and execute laboratory-scale studies to support technology development and process optimization projects, including depth filtration, centrifugation, and particle size analysis.

• Evaluate and compare different purification and primary recovery/separation technologies to enhance bioprocess efficiency.

• Analyse complex datasets, including data from in-silico model development, draw meaningful conclusions, and provide technical recommendations.

• Coordinate with cross-functional teams including R&D Analytical, Upstream, and Operations stakeholders.

• Execute chromatography (Affinity, Ion Exchange, HIC) and recovery studies, ensuring adherence to study design and timelines.

• Support scale-up efforts to translate lab-scale processes to larger manufacturing settings.

• Manage and curate large process datasets, maintaining data integrity and compliance with quality standards.

• Author high-quality technical reports and contribute to publications that support scientific advancement.

• Degree in Biotechnology, Chemistry, or Chemical Engineering (BSc/BEng minimum; MSc/MEng/PhD preferred)

• Strong scientific knowledge in bioprocessing and purification technologies, including primary recovery, chromatography, depth filtration, and centrifugation

• Ability to analyse and interpret complex experimental data using sound scientific methodology, including particle size analysis and in-silico model development

• Strong communication skills with the ability to collaborate effectively in cross-functional teams

• Experience in laboratory-based bioprocessing or purification development preferred

• Excellent organization, documentation, and time-management skills

• A proactive, innovative mindset with the ability to challenge the status quo and embrace change

Every day, Lonza’s products and services have a positive impact on millions of people. For us, this is not only a great privilege but also a great responsibility. How we achieve our business results is just as important as the achievements themselves. At Lonza, we respect and protect our people and our environment. Any success we achieve is no success at all if not achieved ethically.

People come to Lonza for the challenge and creativity of solving complex problems and developing new ideas in life sciences. In return, we offer the satisfaction that comes with improving lives all around the world — and making a meaningful difference.

Lonza is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex, sexual orientation, gender identity, age, disability status, protected veteran status, or any other characteristic protected by law.