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Principal Scientist, Toxicology

Job in Spring House, Montgomery County, Pennsylvania, 19477, USA
Listing for: Johnson & Johnson Innovative Medicine
Full Time position
Listed on 2026-08-22
Job specializations:
  • Research/Development
    Research Scientist, Pharmaceutical Science/ Research, Medical Science, Clinical Research
Salary/Wage Range or Industry Benchmark: 130000 - 190000 USD Yearly USD 130000.00 190000.00 YEAR
Job Description & How to Apply Below
Location: Spring House

At Johnson & Johnson,we believe health is everything. Our strength in healthcare innovation empowers us to build aworld 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 Med Tech, 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

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

Nonclinical Safety

Job Category

Scientific/Technology

All Job Posting Locations

Spring House, Pennsylvania, United States of America

Job Description About Innovative Medicine

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

We are searching for the best talent for a Principal Scientist, Toxicology in Spring House, PA.

Purpose:

This Principal Scientist in Nonclinical Safety and Submissions, a department in the Preclinical Sciences and Translational Safety (PSTS) organization within Johnson & Johnson Innovative Medicine, supports nonclinical safety evaluation in late discovery and development for various therapeutic areas.

You Will Be Responsible For
  • Design of in vivo general toxicology studies for biologics, small molecules, and other modalities.
  • Integrated scientific data interpretation and critical report review for general toxicology and safety pharmacology studies.
  • Oversee and monitor contracted in vivo toxicology and in vitro/in vivo safety pharmacology studies in compliance with Good Laboratory Practices (GLPs) and animal welfare regulations, following company policies and standard operating procedures.
  • Engagement in multi-disciplinary teams within PSTS and close collaboration with nonclinical project representatives to provide scientific and technical expertise on drug development programs.
  • Participate in issue-resolution teams through active engagement in scientific discussions and the shaping of strategies designed to support and inform critical development decisions.
  • Provide strong scientific input regarding potential mechanisms of toxicity in molecular pathways and propose appropriate follow-up. Maintain up-to-date knowledge regarding innovative approaches in toxicological research.
  • Work independently, foster constructive cross-functional collaborations with both internal and external partners, and be able to prioritize workload in alignment with pipeline priorities.
  • Adhere to timelines; proactively identify and communicate study-related issues and develop contingency plans.
  • The candidate will contribute to the success and growth of PSTS through active participation in internal and external committees / working groups and will closely interact with scientists in other functional areas including pathology, bioanalysis, toxicokinetics, and development project leaders in the US, Belgium, and China.
Education Qualifications / Requirements
  • Minimum of Master’s Degree in biomedical sciences, toxicology, pharmacology, or similar education is required;
    PhD is preferred.
Experience/Skills
  • A minimum of 5 years of relevant experience is required.
  • Experience as a Study Director or Study Monitor conducting/overseeing in vivo toxicology studies supporting projects in discovery through development is required
  • Knowledge of major species typically evaluated as toxicology models is required
  • Knowledge in immunology or immunotoxicology is preferred.
  • Strong written and verbal communication skills and the ability to negotiate and influence…
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