Johnson & Johnson Posted July 16, 2026

Senior/Principal Scientist Biotransformations

Beerse, Belgium Full time
Principal

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About this opportunity

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:

Pharmacokinetics & Pharmacometrics

Job Category:

Scientific/Technology

All Job Posting Locations:

Beerse, Antwerp, Belgium

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

Johnson & Johnson Innovative Medicine (J&J IM) develops treatments that improve the health of people worldwide. Research and development areas encompass cardiopulmonology, immunology, communicable diseases, neuroscience and oncology. Our goal is to help people live longer, healthier lives. We have produced and marketed many first-in-class prescription medications and are poised to serve the broad needs of the healthcare market – from patients to practitioners and from clinics to hospitals. To learn more about J&J Innovative Medicine, visit https:// https://www.jnj.com/innovative-medicine .

The Translational ADME Biotransformation team in Beerse, Belgium, is looking for a highly motivated Senior or Principal Scientist to support drug discovery and development programs. The team is part of the department of Translational Pharmacokinetics/Pharmacodynamics and Investigative Toxicology (TPPIT) and plays a pivotal role in support of drug metabolism related studies for small and large molecule drug discovery and development programs as well as in developing and applying advanced analytical chemistry solutions to solve mechanistic questions.

We are a highly motivated team, and our laboratories are state-of-the-art. As part of the global Translational ADME community within TPPIT, you will have access to a large arsenal of in silico, in vitro, in vivo and analytical tools and the vast expertise of colleagues at our various research sites in Belgium and the United States.

Key Responsibilities

To manage and coordinate metabolite profiling and identification studies for a broad range of modalities (small molecules, degraders, peptides, oligonucleotides, etc.), including design, plan and conduct of in vitro incubations, perform high quality analysis and write high quality scientific reports

To perform liquid chromatography analysis with MS, UV and radioactive detection, including method development and data analysis and interpretation

Serve as a subject matter expert for biotransformations, putting data into broader context and suggest and develop follow-up in vitro or in vivo experiments

Effectively communicate data and their relevance to multidisciplinary project teams, management, and potential partners through internal and external presentations and publications

To keep abreast with the current advances in MS, automation and related technologies and apply new technologies and methods to increase sensitivity, quality and throughput

Qualifications

PhD in Medicinal/Organic Chemistry, Pharmaceutical Sciences, Biochemistry, Pharmacokinetics, Drug Metabolism or related field, or multiple years of relevant experience in the field of biotransformations

Hands-on experience in structure elucidation using mass spectrometry

In depth knowledge of biotransformation reactions and enzymes involved

Hands-on experience with non-small modalities (oligonucleotides, peptides and proteins) is an asset

Experience with bioinformatics applications is an asset

Experience in maintenance of chromatography and mass spectrometry instrumentation and developing and troubleshooting LC/RAD and LC/high-resolution MS assays

Ability to independently diagnose and solve complex technical and scientific problems

Team player with strong interpersonal skills in an international team setting, including a matrix environment

Proven track record of scientific achievement & project influence through publications and other interactions

The working language is English

Seniority level is currently open and will be selected based on experience.

#DPDS

Required Skills:

Preferred Skills:

Clinical Data Management, Clinical Pharmacology, Clinical Trials Operations, Coaching, Consulting, Critical Thinking, Drug Development, Drug Discovery Development, Organizing, Pharmacokinetics, Pharmacology, Pharmacometrics, Program Management, Report Writing, Researching, Research Proposals, Scientific Research

The anticipated base pay range for this position is:

€79,800.00 - €137,770.00

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.

Job details

Seniority
Principal
Function
Not listed
Therapeutic area
Not listed
Location
Beerse, Belgium
Employment type
Full time

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