Senior Scientist - R&D Purification

Lonza Group Ltd.; Slough; On-site; Confidential; Full time

Job summary

Lonza Group Ltd. in Slough, United Kingdom, is seeking a Senior Scientist for on-site R&D purification. This laboratory-based role focuses on developing and optimising downstream processes that shape biologics manufacturing.

It is a permanent position with additional fixed-term contracts available, requiring hands-on experimentation five days per week. You will design and execute purification studies, conduct chromatography and filtration experiments, and contribute to technology assessment

Qualifications

• Degree in Biotechnology, Chemistry, Chemical Engineering or related discipline (postgraduate advantageous).
• Practical lab experience in downstream processing including chromatography and filtration techniques.
• Strong data analysis skills to interpret complex datasets and draw conclusions.
• Knowledge of DSP unit operations, process optimisation and troubleshooting.
• Ability to design experiments and apply scientific principles to solve technical challenges.
• Strong communication and report-writing skills with attention to detail.

Responsibilities

• Design and execute laboratory-scale purification and primary recovery studies.
• Perform chromatography and filtration experiments and analyse datasets.
• Evaluate and optimise primary recovery technologies to improve process efficiency.
• Assess and implement emerging downstream processing technologies.
• Deliver high-quality technical reports and scientific recommendations.
• Collaborate with Analytical, Upstream, and Manufacturing Science & Technology teams.
• Maintain data integrity, safety and lab organisation; support continuous improvement.

Skills

Data analysis

Downstream processing

Chromatography

Filtration techniques

DSP unit operations

Experiment design

Report writing

Cross-functional collaboration

Quality and data integrity

Lab safety

Education

Biotechnology

Chemistry

Chemical Engineering

Tools

Chromatography equipment

Filtration equipment

LIMS (Laboratory Information Management System)

Job description

Senior Scientist - R&D Purification Slough, United Kingdom Permanent Positions & 12 Month Fixed Term Contracts Available

Join a cutting-edge R&D team at Lonza, where you will help advance next-generation purification technologies. This is an exciting laboratory-based role ( on site 5 days a week) focused on developing and optimising downstream processes that will shape the future of biologics manufacturing.

What you will get

• An agile career and dynamic working culture
• An inclusive and ethical workplace
• Compensation programs that recognize high performance
• A range of benefits tailored to your role and location
• Opportunities for continuous learning and development
• The chance to work on impactful, innovative technologies

What you will do

• Design and execute laboratory-scale purification and primary recovery studies to support process and technology development
• Perform chromatography and filtration experiments, analysing complex datasets to generate meaningful insights
• Evaluate and optimise primary recovery technologies to improve process efficiency and performance
• Contribute to the assessment and implementation of emerging downstream processing technologies
• Deliver high-quality technical reports, documentation, and scientific recommendations
• Collaborate with cross-functional teams including Analytical, Upstream, and Manufacturing Science & Technology
• Maintain high standards of data integrity, safety, and laboratory organisation while supporting continuous improvement initiatives

What we are looking for

• A degree in Biotechnology, Chemistry, Chemical Engineering, or a related discipline (postgraduate qualification advantageous)
• Practical laboratory experience in downstream processing, including chromatography and filtration techniques
• Strong data analysis skills with the ability to interpret complex datasets and draw clear conclusions
• Knowledge of DSP unit operations, including process optimisation and troubleshooting
• Ability to design experiments and apply scientific principles to solve technical challenges
• Strong communication and report-writing skills, with attention to detail and quality
• A collaborative mindset with the ability to build effective working relationships and contribute to team success

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. Ready to shape the future of life sciences?