Scientist QC Microbiology, parttime 60-80%

Lonza Group Ltd.; Stein; On-site; Confidential; Part time

Benefits offered by this job

Competitive salary

Lifestyle benefits

Family benefits

Leisure benefits

Job summary

Lonza Group Ltd. in Stein, Switzerland, is seeking a part-time Biology Lab Technician to support microbiological testing and materials management in a GMP environment.

You will handle ordering, stock control, and ensure critical supplies are readily available while performing bioburden and endotoxin tests with precision and reliability. The role emphasizes collaboration, accuracy, and flexibility, with on‑call duties to meet operational needs.

Qualifications

• Hands-on microbiological testing experience in a GMP setting.
• Completed Biology Laboratory Technician training or a BSc in biology or life sciences.
• Experience with endotoxin testing is an advantage.

Responsibilities

• Manage laboratory materials and consumables, including ordering and stock monitoring.
• Perform routine microbiological testing in a GMP‑regulated environment (bioburden, environmental monitoring, sterility, endotoxin).
• Coordinate and document microbiological analyses and ensure timely, compliant execution.
• Support improvement and implementation of microbiological methods and lab processes.
• Ensure laboratory readiness through equipment maintenance and on‑call rotation participation.

Skills

Microbiological testing

GMP experience

Attention to detail

Education

Biology Laboratory Technician training

BSc in Biology or life sciences

Tools

Growth Direct

PyroTec PRO

Job description

The actual location of this job is in Stein, AG, Switzerland. Relocation assistance is available for eligible candidates and their families, if needed. Join a growing and dynamic environment where you will combine hands‑on laboratory work with material management, ensuring the availability, control, and efficient handling of critical supplies. This part‑time opportunity is ideal for professionals seeking flexibility while contributing to microbiological testing activities such as environmental monitoring, bioburden, endotoxin, sterility, and related analyses. 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 and a dynamic work culture.
• An inclusive and ethical workplace.
• Compensation programs that recognize high performance.
• In addition to a competitive salary, you can expect numerous lifestyle, family, and leisure benefits.
• The full list of our global benefits can be found here: https://www.lonza.com/careers/benefits
• Our local benefits: 3cf206339e0e4e41a77e8c806138c2b5

What you will do

• Manage laboratory materials and consumables, including ordering, stock monitoring, inventory control, and ensuring the continuous availability of critical supplies.
• Perform routine microbiological testing in a GMP‑regulated environment, including activities such as bioburden, environmental monitoring, sterility, and bacterial endotoxin testing, with the opportunity to develop expertise in specific testing areas.
• Coordinate and document microbiological analyses, ensuring accurate, timely, and compliant execution of routine laboratory activities.
• Support the continuous improvement and implementation of microbiological methods, technologies, and laboratory processes while contributing to operational excellence.
• Ensure laboratory readiness through equipment maintenance, compliance with cGMP and safety requirements, and participation in on‑call duties to support business needs.

What we are looking for

• Hands‑on experience in microbiological testing, particularly bioburden testing, ideally gained in a GMP‑regulated pharmaceutical, biotech, or healthcare environment.
• Strong understanding of GMP requirements and enthusiasm for performing routine laboratory analyses with a high level of accuracy, reliability, and attention to detail.
• Completed training as a Biology Laboratory Technician (BiologielaborantIn) or a BSc in Biology or related life sciences field; experience with endotoxin testing, Growth Direct, or PyroTec PRO is an advantage.
• Experience or interest in laboratory material management, including ordering, inventory control, and ensuring material availability to support smooth laboratory operations.
• Fluent English skills, with German considered a plus; a flexible and collaborative mindset, including willingness to participate in an on‑call rotation, and occasionally adjust working hours to meet operational needs.

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.