Principle Scientist - Regulatory Toxicology (Chesterfield, Missouri, US)

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Principle Scientist - Regulatory Toxicology

As a Principle Scientist-Regulatory Toxicologist within Bayer Crop Science, you provide hazard identification and characterization to support product safety for plant protection products; you plan and coordinate toxicological data generation according to regulatory requirements and international guidance, evaluate and disseminate substance- and product-related hazard, systemic exposure and risk information to enable safety assessments; you work within a global team of regulatory toxicology experts and collaborate with internal and external laboratories, risk-assessment experts and other stakeholders to support new product development and the maintenance of existing registrations; success in this role requires applying human hazard, exposure, and risk assessment principles in a highly regulated environment and contributing to cross‑regional regulatory strategies.

YOUR TASKS AND RESPONSIBILITIES

Develop toxicology testing strategies, experimental programs, and positions to support regulatory submissions and data call‑ins;

Provide subject‑matter expertise for hazard identification and characterization and align approaches with functional and organizational objectives;

Evaluate, interpret, and integrate toxicology and exposure data into product development, defense strategies, and regulatory responses;

Support the integration and appropriate use of alternative testing methods and explore agentic approaches to optimize workflows and processes;

Serve as an active member of asset teams, providing technical consultation and strategic direction to internal stakeholders and to regulatory agencies (EPA, PMRA, APVMA);

Support Bayer Crop Science and industry initiatives to shape and interpret national and international regulatory policies on human safety;

Champion sound science and risk‑based decision making in agency engagements and task forces;

Operate across the global Bayer Crop Science network to ensure consistent scientific approaches, knowledge sharing, and cross‑regional alignment.

Work in close integration with Regulatory Toxicology, Dietary and Non-dietary Risk Assessment, Environmental Safety, and Regulatory Affairs teams and others across Regulatory Science and R&D.

WHO YOU ARE

Bayer seeks an incumbent who possesses the following:

MS in Toxicology, Environmental Health, Exposure Science, Pharmacology, (Bio-)Chemistry, Biomedical, or a related field

Possess excellent communication and organizational skills and the ability to work with a team to accomplish projects that require the cooperation and contribution of several individuals from different groups within the company.

Experience in agrochemical regulatory toxicology, knowledgeable of human safety/toxicological data generation and study requirements, management and interpretation of results, knowledgeable in global risk assessment approaches.

Demonstrated efficiency in  planning, organizing and managing a diverse workload ensuring objectives are met by established  deadlines and within budget.

Demonstrated ability to communicate technical information clearly and accurately to diverse audiences (written and oral).

Strong data science skills and data science acumen.

Ownership for assigned tasks with the ability to assume technical leadership and think strategically in a variety of situations across human safety disciplines.

Preferred Qualifications:

Phd in Toxicology, Environmental Health, Exposure Science, Pharmacology, (Bio-)Chemistry, Biomedical, or a related field

5 -8+ years of directly relevant experience;

Employees can expect to be paid a salary between $114,640.00 - $170,000 Additional compensation may include a bonus or incentive compensation (if relevant).  Additional benefits include health care, vision, dental, retirement, PTO, sick leave, etc..  This salary range is merely an estimate and may vary based on an applicant’s location, market data/ranges, an applicant’s skills and prior relevant experience, certain degrees and certifications, and other relevant factors.

This posting will be available for application until at least September 1, 2026.

YOUR APPLICATION       Bayer offers a wide variety of competitive compensation and benefits programs. If you meet the requirements of this unique opportunity, and want to impact our mission Health for all, Hunger for none, we encourage you to apply now. Be part of something bigger. Be you. Be Bayer.

To all recruitment agencies: Bayer does not accept unsolicited third party resumes.

Bayer is an Equal Opportunity Employer/Disabled/Veterans

Bayer is committed to providing access and reasonable accommodations in its application process for individuals with disabilities and encourages applicants with disabilities to request any needed accommodation(s) using the contact information below.

Equal Opportunity Employer Statement: Notice for U.S. Visitors: All information on this site is subject to compliance with local rule and regulations as they may vary from time to time and across different geographies, including, without limitation, U.S. Executive Orders.       Bayer is an E-Verify Employer.               Location: United States : Missouri : Chesterfield      Division: Crop Science     Reference Code: 879571          Contact Us     Email: hrop_usa@bayer.com  ]]>