Experienced Scientist Biotherapeutics RD

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: 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:

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.

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:

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: €53,500.00 - €85,445.00     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