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Preclinical Toxicology Jobs (NOW HIRING)

Legend Biotech USA, Inc.

RequirementsPhD in pharmacology, toxicology, immunology, cell biology, or a closely related discipline.Minimum 15 years of progressive experience in preclinical drug development, with at least 5 ...

Vrtx

Toxicology Research Scientist

Boston, MA · On-site

This role will support preclinical safety assessment across the global research portfolio from ... As an integral part of Vertex's discovery toxicology strategy, the individual will help advance the ...

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Preclinical Toxicology information

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$115.4K

$214K

How much do preclinical toxicology jobs pay per year?

As of Sep 3, 2026, the average yearly pay for preclinical toxicology in the United States is $115,369.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,000.00 and $135,500.00 per year, depending on experience, location, and employer.

What is preclinical toxicology?

A Preclinical Toxicology job involves evaluating the safety of new drugs or chemicals before they are tested in humans. Professionals in this role design and conduct laboratory studies, often using cell cultures and animal models, to assess potential toxic effects. They analyze data to determine safe dosage levels and identify any risks, ensuring regulatory compliance. Their findings are crucial for advancing drug development and securing approvals from agencies like the FDA or EMA.

What does a preclinical toxicology professional do?

A Preclinical Toxicology professional’s daily tasks often include designing and conducting toxicity studies on new compounds, collecting and analyzing biological data, and preparing study reports in compliance with regulatory standards. You may be responsible for coordinating with multidisciplinary teams, including pharmacologists and regulatory affairs specialists, to ensure study objectives are met. Additionally, you will review scientific literature, maintain laboratory records, and help respond to audit or regulatory inquiries. This dynamic role provides the opportunity to contribute directly to the safety evaluation of potential new therapies.

What are the key skills and qualifications needed to thrive in preclinical toxicology?

To excel in Preclinical Toxicology, you need a solid background in biological or chemical sciences, experience with laboratory techniques, and knowledge of regulatory guidelines such as GLP. Familiarity with toxicological testing methods, data analysis software, and laboratory information management systems (LIMS) is also essential. Excellent attention to detail, strong problem-solving skills, and clear communication are valuable soft skills. These abilities are vital for ensuring rigorous, reliable safety assessments that support drug development and regulatory submissions.

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Preclinical Toxicology jobs near you
Infographic showing various Preclinical Toxicology job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 88% Full Time, 8% Part Time, 2% Contract, and 1% Nights. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $115,369 per year, or $55.5 per hour.

Scientist, Pharmacology and Toxicology

MBX Biosciences

Carmel, IN • On-site

Full-time

This job post has expired 2 days ago. Applications are no longer accepted.

Job description

Position Summary
The Scientist, Pharmacology and Toxicology, reporting to the Sr. Director of Pharmacology & Toxicology is an individual contributor who works in a team environment (toxicology, pharmacology, medical/clinical, regulatory, CMC) in biotech drug discovery and development. The position includes study design and monitoring, development of relationships with toxicology CROs and university discovery pharmacology activities, data review, data interpretation, and data presentations. This includes exploratory studies and GLP studies to support regulatory filings. In addition, the role will liaise with discovery and development colleagues and participate in development of the overall toxicology and pharmacology strategies. The role will contribute strategically to the development of assets including presenting these strategies to the asset development team as needed to ensure alignment. This role will also work with external partners such as CROs to conduct the necessary studies to support drug development and to monitor study progress.
Key Responsibilities
  • Support the conduct of preclinical toxicology programs for small and large molecules in discovery and development stages.
  • Propose and support the development of preclinical toxicology strategies to advance programs.
  • Interface with internal stakeholders in discovery and development.
  • Interface with MBX regulatory affairs on documents for FDA and other regulatory bodies.
  • Work with the clinical group to develop nonclinical timelines, and risk-benefit approaches for molecules selected to move forward to FIH trials.
  • Establish collaborations with CROs and/or academic institutions supporting MBX drug development programs.
  • Provide tactical support for multiple project teams as they advance molecules from target discovery through lead optimization to clinical development.
  • Support writing of toxicology and pharmacology sections of regulatory documents, including but not limited to the IND, IB and BLA.
  • Other duties as assigned.

Education & Qualifications
  • B.S., M.S., or PhD in Toxicology, Pharmacology, or related sciences.
  • Minimum of 5 years of related experience in biopharma or a CRO.
  • Excellent communication and interpersonal skills, with the ability to effectively influence opinion and actions.
  • Communicate strategies, plans, results, and analyses.
  • Study directing or monitoring experience in the CRO environment.
  • Demonstrated scientific excellence in the application of toxicology and pharmacology principles across pharmaceutical research and development.
  • Knowledge of U.S. and International safety guidelines and requirements for pharmaceutical development.
  • Ability to think strategically and to provide clear direction and expectations to other team members in a highly dynamic environment.
  • Strong ability to prioritize daily work based on changing business requirements.
  • Self-motivated, independent, and results oriented.
  • Ability to work productively in a matrix environment, as a team contributor supporting multiple projects.

Travel
This role is expected to be on site 3 days per week. You will be expected to travel periodically based on the needs of the business to the extent requested by the Company, including attendance at Together Weeks, Together Days, and functional meetings as requested by the Company.
Company Overview:
MBX Biosciences is a biopharmaceutical company focused on the discovery, development and commercialization of novel precision peptide therapies based on its proprietary PEP™ platform, for the treatment of endocrine and metabolic disorders. The Company is advancing a pipeline of novel candidates for endocrine and metabolic disorders with clinically validated targets, established endpoints for regulatory approval, significant unmet medical needs and large potential market opportunities. The Company's pipeline includes canvuparatide (MBX 2109) for the treatment of chronic hypoparathyroidism preparing for Phase 3 development; and an obesity portfolio that includes MBX 4291 in Phase 1 development and MBX 5765 in preclinical development, as well as additional discovery candidates. The Company is based in Carmel, Indiana and Burlington, Massachusetts. To learn more, please visit the Company website at www.mbxbio.com and follow it on LinkedIn.
EEO Statement:
MBX Biosciences is an Equal Opportunity Employer and is committed to treating all applicants fairly without discrimination. We welcome applications from all individuals, regardless of race, national origin, gender, age, physical characteristics, social origin, disability, union membership, religion, family status, pregnancy, sexual orientation, gender identity, gender expression or any unlawful criterion under applicable law.

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