Senior QC Microbiology Technician

About Merz Aesthetics

Merz Aesthetics is a medical aesthetics business with a long history of empowering health care professionals, patients and employees to live every day with confidence. We aim to help people around the world look, feel and live like the best versions of themselves — however they define it. Clinically proven, its product portfolio includes injectables, devices and skin care treatments designed to meet each patient’s needs with high standards of safety and efficacy.

Being family owned for more than 115 years, Merz Aesthetics is known for building unique connections with customers who feel like family. Merz Aesthetics’ global headquarters is in Raleigh, N.C., USA, with a commercial presence in 90 countries worldwide. It is also a part of Merz Group, which was founded in 1908 and is based in Frankfurt, Germany. Learn more at

Job Title: Senior QC Microbiology Technician
Location: Lonay (Vaud, Switzerland)
Activity rate: 100%
Type of contract: Permanent

As a Senior QC Microbiology Technician, you support environmental sampling, perform bioburden and endotoxin testing, execute EM monitoring, conduct method validation and equipment qualification, lead investigations on OOS/OOT and contamination events, ensure GMP documentation and data integrity, and contribute to continuous improvement across microbiology workflows while mentoring junior technicians.

• Proficiency in bioburden, endotoxin, water testing, EM monitoring
• Experience in method validation and verification
• Strong understanding of GMP, ISO
  13485, Data Integrity
• Ability to analyze microbiological data and identify root causes
• Effective communication and training capabilities
• Autonomy, stress management, adaptability

Bachelor or Master in Microbiology, Biology or similar field, with experience in regulated environments (Medical Device, Pharmaceutical, Biotechnology).

Minimum 6 years of experience in QC microbiology laboratory performing bioburden, endotoxin, EM and water testing, including method validation and interpretation of results.

• Work-life balance:
  Our time is precious; to promote a good work‑life integration, we allow flexible working hours and home office work, depending on the position requirements. Our employees also benefit from generous annual leave arrangements.
• Ongoing training:
  Your personal and professional development is key to our success. You will have access to multiple training programs (e.g., Linked In Learning, Franklin Covey, Harvard online) and development opportunities.
• Benefits:
  We offer various benefits, such as premium accident insurance, attractive Pension Fund, discounts programs, Employee Assistance Program, and regular fun team activities.
• Sustainable development:
  The Merz Group is investing at every site to achieve carbon neutrality by 2035.