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At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at jnj.com.

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:

Quality

Job Sub Function:

Quality Control

Job Category:

Professional

All Job Posting Locations:

Leiden, South Holland, Netherlands

Job Description:

Scientist Microbiology – Quality Control

Location: Leiden, Netherlands
Company: Johnson & Johnson


About Johnson & Johnson

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to create a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personalized. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to deliver breakthrough healthcare solutions that profoundly impact patients’ lives. Learn more at www.jnj.com.


About the Role

Johnson & Johnson Services Inc. is seeking a Scientist Microbiology – Quality Control to join our QC Microbiology team in Leiden.

The Leiden QC department operates within a biotherapeutics and vaccines manufacturing site and is responsible for raw material, in-process, and release testing. The site also serves as a global stability testing hub for large molecule products and collaborates closely with Contract Manufacturing Organizations (CMOs).

As a Scientist, you will act as the scientific lead for microbiological testing activities supporting Drug Substance (DS) and Drug Product (DP) manufacturing. This role has a strong focus on continuous improvement, method optimization, and ensuring executional excellence within microbiological testing.


Key Responsibilities

  • Act as scientific subject matter expert (SME) for microbiological test methods
  • Support microbiological testing for Drug Substance and Drug Product manufacturing
  • Lead and contribute to continuous improvement initiatives, including troubleshooting and optimization of microbiological methods
  • Develop and author protocols and technical reports
  • Plan and coordinate resources, equipment, and activities for ongoing projects
  • Perform method development, improvement, validation, and transfers
  • Support and lead investigations and analytical troubleshooting
  • Train and mentor laboratory staff on new methods and practices
  • Ensure compliance with GMP and regulatory requirements (EU and FDA)
  • Collaborate effectively with internal stakeholders and external partners

Qualifications

  • PhD or equivalent in Microbiology, Biochemistry, or a related field
  • Minimum 6 years of relevant experience in the pharmaceutical industry, preferably within QC Microbiology
  • Proven experience in: Method development, validation, and transfer Microbiological testing and troubleshooting
  • Strong knowledge of GMP regulations, including FDA and EU requirements

Skills & Competencies

  • Technical expertise:Strong understanding of microbiological and compendial methods Experience with analytical method transfer and validation Familiarity with cell culture and modern microbiological techniques is an advantage
  • Analytical skills:Ability to critically assess investigations and analytical data Experience with statistical tools (e.g., R, Minitab, Matlab) Familiarity with electronic quality systems (e.g., deviations, document management)
  • Project management:Proven ability to manage and prioritize multiple projects Experience with LEAN methodologies; Green Belt certification is an advantage
  • Collaboration & communication:Strong interpersonal skills with the ability to influence stakeholders Ability to work independently and within cross-functional teams

Required Skills:

Preferred Skills:

Coaching, Communication, Compliance Management, Controls Compliance, Econometric Models, ISO 9001, Performance Measurement, Problem Solving, Process Oriented, Quality Auditing, Quality Control (QC), Quality Control Testing, Quality Standards, Researching, Standard Operating Procedure (SOP), Technologically Savvy

The anticipated base pay range for this position is:

€64 000,00 - €103 040,00

Benefits:

In addition to base pay, we offer the following benefits*: an annual bonus with set target (% of pay) depending on pay grade / location, where the actual amount is based on the employees’ and companies’ performance of the previous calendar year, or sales commissions. Moreover, we offer vacation days, parental leave for a minimum of 12 weeks, bereavement leave, caregiver leave, volunteer leave, well-being reimbursement, programs for financial, physical and mental health. We also offer service anniversary and recognition awards, and subject to the terms of their respective plans, employees - and in some location’s eligible dependents - can participate in several insurance plans. For more information, visit Employee benefits | Supporting well-being & career growth | Johnson & Johnson Careers.

*This is for informative purposes only. Amounts and actual benefits may vary by location and are subject to change.