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Senior Toxicologist Jobs (NOW HIRING)

Regeneron Pharmaceuticals

Senior Toxicologist

Cambridge, MA · On-site

$128K - $210K/yr

The Senior Toxicologist utilizes their scientific expertise and regulatory experience to lead nonclinical development programs with guidance from her/his direct supervisor working effectively within ...

Abt Associates Inc.

$110 - $176/hr

Serve as a senior toxicology subject matter expert supporting systematic reviews, evidence synthesis activities, and health hazard assessments. * Lead the evaluation and interpretation of ...

ITG Brands

Toxicologist

Greensboro, NC · On-site

$138K - $184K/yr

What You Will Do - JOB SUMMARY The Senior Toxicologist plays a pivotal role in shaping regulatory strategy and scientific direction for tobacco product submissions, including Premarket Tobacco ...

ITG Brands, LLC

Toxicologist

Greensboro, NC · On-site

$138 - $185/hr

What You Will Do - JOB SUMMARY The Senior Toxicologist plays a pivotal role in shaping regulatory strategy and scientific direction for tobacco product submissions, including Premarket Tobacco ...

State of Washington

Toxicologist 2

Olympia, WA · On-site +1

$80K - $108K/yr

You will provide toxicological expertise on study design, risk analysis, and the development of soil and water cleanup levels, working closely with the program's senior toxicologist and project teams ...

State of Washington

Toxicologist 2

Olympia, WA · On-site +1

$80K - $108K/yr

You will provide toxicological expertise on study design, risk analysis, and the development of soil and water cleanup levels, working closely with the program's senior toxicologist and project teams ...

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Senior Toxicologist information

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$25K

$80.3K

$163.5K

How much do senior toxicologist jobs pay per year?

As of Sep 4, 2026, the average yearly pay for senior toxicologist in the United States is $80,287.00, according to ZipRecruiter salary data. Most workers in this role earn between $41,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What is a senior toxicologist?

Senior Toxicologists are highly experienced scientists who study the effects of chemicals, drugs, and other substances on living organisms. They assess risks, design and lead toxicology studies, and interpret data to help ensure safety and regulatory compliance. Senior Toxicologists often guide teams, advise on policy, and collaborate with other scientists, industry professionals, and regulatory agencies. Their expertise is crucial in pharmaceuticals, environmental protection, consumer products, and public health.

How does a senior toxicologist typically interact with cross-functional teams in a research or regulatory setting?

As a Senior Toxicologist, collaboration with cross-functional teams is a key part of the daily workflow. You will often work closely with chemists, pharmacologists, regulatory affairs specialists, and project managers to interpret toxicological data and ensure safety assessments meet both scientific standards and regulatory requirements. Effective communication and the ability to translate complex findings for non-specialist stakeholders are crucial in this role. This collaborative environment not only supports robust scientific outcomes but also offers opportunities to broaden your expertise and leadership skills.

What are the key skills and qualifications needed to thrive as a senior toxicologist, and why are they important?

To excel as a Senior Toxicologist, you need advanced knowledge in toxicology, chemistry, and risk assessment, typically supported by a relevant advanced degree and several years of experience. Familiarity with analytical instrumentation, regulatory guidelines (such as GLP, REACH, or EPA regulations), and specialized toxicological databases is essential. Strong analytical thinking, attention to detail, and effective communication skills help in interpreting data and presenting findings to diverse audiences. These competencies ensure accurate safety evaluations, regulatory compliance, and the ability to lead complex toxicology projects.

Are senior toxicologists in high demand?

Senior toxicologists are in high demand due to increasing regulatory requirements and the need for expertise in chemical safety, environmental health, and risk assessment. They often work in industries such as pharmaceuticals, environmental agencies, and manufacturing, with strong employment growth projected for the coming years.

Is toxicology a good career path?

A career as a senior toxicologist offers opportunities in research, regulatory agencies, and industry, focusing on chemical safety and risk assessment. It typically requires strong analytical skills, knowledge of chemistry and biology, and relevant certifications or advanced degrees. The field is stable with demand for expertise in environmental health, pharmaceuticals, and consumer products.

Where do senior toxicologists make the most money?

Senior toxicologists tend to earn the highest salaries in regions with a strong pharmaceutical, chemical, or biotech industry presence, such as major metropolitan areas or regions with extensive research facilities. Factors like industry experience, certifications, and working in regulatory agencies or large corporations can also influence salary levels.
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Senior Toxicologist jobs near you
Infographic showing various Senior Toxicologist job openings in the United States as of August 2026, with employment types broken down into 91% Full Time, 8% Part Time, and 1% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution, with an average salary of $80,287 per year, or $38.6 per hour.

Senior Toxicologist

Regeneron Pharmaceuticals, Inc (USA)

Cambridge, MA • On-site

$140 - $210/hr

Other

Posted 17 days ago

Regeneron rating

8.5

Company rating: 8.5 out of 10

Based on 44 frontline employees who took The Breakroom Quiz

19th of 86 rated pharmaceutical

Job description

Senior Toxicologist

The Senior Toxicologist utilizes their scientific expertise and regulatory experience to lead nonclinical development programs with guidance from their direct supervisor working effectively within cross‑functional project teams. The Senior Toxicologist will demonstrate a thorough understanding of GLP regulations and FDA/EMEA/ICH nonclinical safety guidelines to independently lead the design, conduct, interpretation, and reporting of regulatory toxicology and/or exploratory pharmacology/toxicology studies in rodent and non‑rodent safety models. The Senior Toxicologist will provide primary authorship of all regulatory documentation required for submission packages, demonstrating excellent problem‑solving and communication skills (written and verbal). Experience with multiple therapeutic modalities preferred, including antibody, oligonucleotide, and gene‑therapy products.

Responsibilities
  • Represent toxicology on global research and development project teams communicating non‑clinical safety assessment strategy.
  • Coordinate cross‑department execution of the experimental plan including program budgets, and timing of toxicology studies in relation to regulatory and clinical milestones.
  • Work with the study monitoring group to coordinate, design, monitor, and report toxicology and safety pharmacology studies at contract research organizations.
  • Communicate toxicology study findings, including relevant interpretation, to project teams and management.
  • Contribute to non‑clinical sections of regulatory documents including IND and NDA submissions.
  • Maintain currency with GLP regulations and ICH, FDA and EMEA non‑clinical safety guidelines.
  • Keep up with the latest scientific developments by reading the current literature and attending conferences.
Requirements
  • Advanced degree (e.g. PhD, DVM) in pharmacology, toxicology or closely related biological science along with 3-5 years relevant pharmaceutical industry experience.
  • Or Master’s Degree + ≥10 years relevant pharmaceutical industry experience in designing, monitoring and interpreting non‑clinical safety studies.
Equal Opportunity Employment

Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, sexual orientation, gender identity or expression, gender reassignment, marital or civil partnership status, civil status, pregnancy or parental status, age, disability, nationality, citizenship status, ethnic or national origin, membership of the Traveler community, familial status, genetic information, military or veteran status, or any other characteristic protected under applicable law. Where required, we will provide reasonable accommodation to applicants with known disabilities or chronic illnesses during the recruitment process, unless such accommodation would impose undue hardship.

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