Senior Scientist Drug Chemistry

• Job title Senior Scientist Drug Chemistry
• Function Discovery & Pre-Clinical/Clinical Development
• Sub function Pharmaceutical Product R&D
• Category Senior Scientist, Pharmaceutical Product R&D (ST6)
• Location Beerse / Belgium
• Date posted Sep 15 2026
• Requisition number R-099728
• Work pattern Fully Onsite

Description

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.

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Job Description:

Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow.

Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way.

Learn more at https://www.jnj.com/innovative-medicine

The Drug Chemistry team operates within the Analytical Method and Stability Center (AMSC) in the Global Analytical Development Synthetics organization, a division of Therapeutics Development & Supply (TDS) at Johnson & Johnson Innovative Medicine. Within Analytical Development, we bring together expertise in chemistry, analytics, computational sciences, and digital innovation to advance the understanding of molecular stability, reactivity, and developability throughout the drug discovery and development lifecycle.

We are seeking a highly motivated Senior Scientist with a strong background in organic chemistry and a passion for scientific innovation. In this role, you will investigate the chemical behavior of drug candidates, design and execute studies that generate critical development insights, and help address complex pharmaceutical challenges. You will combine experimental and data-driven approaches to understand degradation pathways, reaction mechanisms, and factors that impact product quality and stability.

Working in a highly collaborative environment, you will partner with scientists across multiple disciplines, including analytical sciences, formulation, toxicology, and computational chemistry, to support the development of innovative medicines. You will contribute hands-on laboratory expertise while leveraging emerging technologies, predictive modeling, and digital tools to accelerate scientific understanding and decision-making.

Beyond project delivery, you will help shape the future of drug chemistry by contributing to scientific initiatives, exploring new technologies and methodologies, and sharing knowledge through internal and external collaborations. This role offers the opportunity to make a meaningful impact on both the development of medicines and the evolution of how pharmaceutical science is conducted.

Overall Qualifications

• PhD in Organic Chemistry, Analytical Chemistry, Pharmaceutical Sciences, or a related field.
• 2+ years of relevant industrial or postdoctoral experience.
• Experience in synthesis, degradation chemistry, and/or analytical characterization of complex molecules.
• Strong understanding of reaction mechanisms, impurity profiling, and pharmaceutical development.

Required Experience and Skills

• Proven ability to design, execute, and interpret scientific studies independently.
• Strong problem-solving, communication, and collaboration skills.
• Ability to work effectively in multidisciplinary teams and manage multiple priorities.
• Interest in applying analytical, computational, and data-driven approaches to solve drug development challenges.
• Experience with, or willingness to learn, advanced characterization techniques and emerging technologies.
• Knowledge of kinetic modeling, computational chemistry, AI, machine learning, or predictive modeling is a plus.

What You Will Bring

• Curiosity and passion for understanding molecular behavior.
• A collaborative mindset and strong experimental skills.
• A drive to translate scientific insights into practical solutions that advance pharmaceutical development.
• The ability to communicate complex scientific concepts to diverse audiences.

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The anticipated base pay range for this position is:

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.