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Experienced Scientist Biotherapeutics RD

Johnson & Johnson


Job Location:

Leiden - Netherlands

Monthly Salary: € 53500 - 85445
Posted: 8 August 2026 (30+ days ago)
Application Deadline: 5 November 2026
Vacancies: 1 Vacancy

Job Summary

At Johnson & Johnsonwe believe health is everything. Our strength in healthcare innovation empowers us to build aworld where complex diseases are prevented treated and curedwhere treatments are smarter and less invasive andsolutions are 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 more at .

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:

Discovery & Pre-Clinical/Clinical Development

Job Sub Function:

Biotherapeutics R&D

Job Category:

Scientific/Technology

All Job Posting Locations:

Leiden South Holland Netherlands

Job Description:

Job Summary

The Scientist will support the development optimization and scale-up of Lipid Nanoparticle (LNP) drug product processes from early to late-stage development. The role combines hands-on laboratory work with strong cross-functional collaboration to ensure robust scalable and GMP-ready processes.

Key Responsibilities

  • Design and execute LNP process development studies across early and late development stages

  • Perform hands-on laboratory work including process design optimization and characterization

  • Analyze and interpret data to support process understanding optimization and decision-making

  • Support process characterization activities including identification of CPPs and development of robust processes

  • Contribute to scale-up and manufacturing readiness including support of technology transfer to internal sites or CMOs

  • Collaborate cross-functionally with Analytical Development MSAT Quality Manufacturing and Regulatory teams to ensure alignment on process strategy and execution

  • Document experimental work and results in accordance with GMP and data integrity requirements

  • Participate in troubleshooting activities and continuous process improvement initiatives

Qualifications

  • MSc or PhD in Pharmaceutical Sciences Chemical Engineering Biochemistry or related field

  • Relevant experience in process development and/or LNP formulation development

  • Strong hands-on laboratory experience in drug product or nanoparticle development

  • Understanding of process scale-up technology transfer and GMP principles

Required Skills & Competencies

  • Strong scientific problem-solving and data interpretation skills

  • Hands-on proactive and detail-oriented approach

  • Ability to work effectively in a cross-functional matrixed environment

  • Clear and concise communication skills (written and verbal)

  • Ability to manage multiple priorities in a dynamic development environment

Preferred Qualifications

  • Experience with mRNA/LNP platforms or advanced therapies

  • Familiarity with process validation (e.g. LCPV) and manufacturing support

  • Exposure to late-stage development or commercial readiness activities

    Job role is fixed for one year with possibility to extend


#DPDS

Required Skills:

Preferred Skills:

Analytical Reasoning Biochemistry Chemistry Manufacturing and Control (CMC) Coaching Collaboration Conducting Experiments Data Quality Drug Discovery Development Molecular Diagnostics Patent Applications Pharmacogenetics Report Writing Research Documents Scientific Research Technologically Savvy Written Expression

The anticipated base pay range for this position is:

53500.00 - 85445.00

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 locations 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.


Required Experience:

Senior IC


About Company

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About Johnson & Johnson A t Johnson & Johnson, we believe good health is the foundation of vibrant lives, thriving communities and forward progress. That’s why for more than 130 years, we have aimed to keep people well at every age and every stage of life. Today, as the world’s larges ... View more

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