Senior Scientist – Protein Characterisation
Location: Slough, United Kingdom

An exciting opportunity has become available for an experienced Senior Scientist to join our Protein Characterisation team in Slough. In this role, you will contribute to the analytical characterisation of therapeutic proteins, supporting the development of life-changing biologic medicines while working with advanced analytical technologies in a collaborative scientific environment.

This is a fully site-based role. Working together in person supports close, real-time collaboration and the technical precision needed to manufacture medicines to the highest quality and safety standards.

What you will get

• An agile career with opportunities for scientific and professional development.
• An inclusive and ethical workplace where your ideas are valued.
• The opportunity to work with advanced analytical technologies and contribute to innovative biologics programmes.
• A collaborative environment with experienced scientists and cross-functional teams.
• Compensation programmes that recognise high performance.
• A comprehensive range of benefits dependent on role and location.

The full list of our global benefits can be found at the Lonza careers benefits page.

What you will do

• Plan and independently execute analytical characterisation studies for therapeutic proteins using techniques including HPLC, electrophoresis, LC-MS and higher-order structure methods.
• Generate high-quality analytical data to support product characterisation and biocomparability studies, ensuring compliance with quality and regulatory requirements.
• Analyse, interpret and communicate scientific data, identifying technical challenges and implementing effective solutions where required.
• Prepare, review and maintain laboratory documentation, including protocols, reports and standard operating procedures.
• Maintain and troubleshoot analytical instrumentation to ensure reliable laboratory operations.
• Collaborate with multidisciplinary teams, providing technical expertise, practical training and contributing to scientific discussions that drive continuous improvement.
• Participate in the laboratory out-of-hours call-out rota to support the monitoring of critical cold storage equipment.

What we are looking for

• Practical industry experience in a biopharmaceutical or analytical laboratory environment working with protein characterisation techniques.
• Hands-on experience with analytical technologies such as HPLC, LC-MS, electrophoresis and related protein analysis methods.
• Strong understanding of protein chemistry and analytical characterisation of biologic molecules.
• Experience troubleshooting analytical instrumentation and resolving technical challenges.
• Ability to analyse complex scientific data, interpret results and perform root cause investigations.
• Strong communication and collaboration skills with experience working effectively across teams and sharing technical knowledge.
• A degree or equivalent qualification in Biochemistry, Analytical Chemistry, Pharmaceutical Sciences or another relevant scientific discipline.

About Lonza
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 our customers' breakthrough ideas into viable therapies, we look forward to welcoming you on board.

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