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Research Scientist - Toxicology

Job in Shrewsbury, Worcester County, Massachusetts, 01546, USA
Listing for: Charles River Labs
Full Time position
Listed on 2026-01-24
Job specializations:
  • Research/Development
    Clinical Research, Research Scientist, Medical Technologist & Lab Technician, Medical Science
  • Healthcare
    Clinical Research, Medical Technologist & Lab Technician, Medical Science
Job Description & How to Apply Below
Position: Research Scientist I - Toxicology

For 75 years, Charles River employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well-being of people across the globe. Whether your background is in life sciences, finance, IT, sales or another area, your skills will play an important role in the work we perform.

In return, we’ll help you build a career that you can feel passionate about.

Job Summary

Serve as a scientist in the conduct of assigned clinical and nonclinical research studies of basic to moderate complexity, to include study management, interpretation and reporting of study data, and assuring the regulatory compliance of these projects.

ESSENTIAL DUTIES AND RESPONSIBILITIES
  • Serve as a study director in the direction and execution of assigned studies in compliance with GLP regulations as they apply to the conduct of nonclinical research.
  • Participate in and coordinate all phases of the study planning process with appropriate departments.
  • Generate high-quality protocols, amendments, and reports appropriate for assigned studies.
  • Review, interpret, integrate, and present data on assigned studies, using the assistance of senior scientific staff as appropriate.
  • Function as contact for the planning and execution of sponsor interaction related to assigned studies, including proposal management and study scheduling, conduct and reporting.
  • Provide technical and scientific guidance to the research staff.
  • Attend scientific meetings, conferences and training courses to enhance job and professional skills.
  • Perform all other related duties as assigned.

The pay range for this position is between $ and $ salary. Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.

Job Qualifications

QUALIFICATIONS:

  • Education:

    Bachelor’s degree (B.S./B.A.) or equivalent in a scientific related discipline. Related Master’s degree (M.S./M.A.) or PhD/DVM preferred.
  • Experience:

    Minimum of 6 to 7 years related experience in the contract research, academic, or pharmaceutical industry with a specific focus in toxicology and/or in vivo sciences required.
  • An equivalent combination of education and experience may be accepted as a satisfactory substitute for the specific education and experience listed above.
  • Certification/Licensure:
    None.
  • Other:
    Understanding of regulatory requirements of study types assigned, as well as Testing Facility SOPs and the Good Laboratory Practices (GLPs), as appropriate. Effective written and verbal communication skills. Ability to handle multiple projects, prioritize work and meet deadlines. Proficiency in the use of standard software including Microsoft Excel, Word, PowerPoint, etc. and with standard laboratory calculations.
PHYSICAL DEMANDS

While performing the duties of this job, the employee is regularly required to talk, hear and work/type at a computer. Specific vision abilities required by this job include close vision and the ability to adjust focus.

COMMENTS

This position may require occasional travel.

About Safety Assessment

Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state-of-the-art facilities and expert regulatory guidance. From individual specialty toxicology and IND enabling studies to tailored packages and total laboratory support, our deeply experienced team can design and execute programs that anticipate challenges and avoid roadblocks for a smooth, efficient journey to market.

Each year approximately 300 investigational new drug (IND) programs are conducted in our Safety Assessment facilities.

About Charles River

Charles River is an early-stage contract research organization (CRO). We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non-GLP, to support clients from target identification through preclinical development. Charles River also provides a suite of products and…

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