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Senior Toxicologist Jobs (NOW HIRING)

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 ...

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 ...

... senior staff, biocompatibility test strategies to ensure appropriate planning and execution of ... D.) in Toxicology or a related scientific discipline is required. * A minimum of 6 years in ...

... senior staff, biocompatibility test strategies to ensure appropriate planning and execution of ... D.) in Toxicology or a related scientific discipline is required. * A minimum of 6 years in ...

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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 Jul 23, 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.

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 Senior Toxicologists?

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.

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.
More about Senior Toxicologist jobs
What cities are hiring for Senior Toxicologist jobs? Cities with the most Senior Toxicologist job openings:
What are the most commonly searched types of Toxicologist jobs? The most popular types of Toxicologist jobs are:
What states have the most Senior Toxicologist jobs? States with the most job openings for Senior Toxicologist jobs include:
Infographic showing various Senior Toxicologist job openings in the United States as of July 2026, with employment types broken down into 91% Full Time, 7% Part Time, and 2% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $80,287 per year, or $38.6 per hour.
Senior Toxicologist

$128K - $210K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago


Regeneron rating

8.7

Company rating: 8.7 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

10th of 74 rated pharmaceutical


Job description

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 cross-functional project teams. The Sr. 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 Sr. 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 genetherapy products.

JOB 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 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.

  • Contributing 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.

JOB 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.

Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We are committed to building a workplace with an inclusive culture. 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.

Where necessary, we disclose salary ranges for roles in all countries in which we operate. The final offer will be determined within the relevant range based on the country of employment, specific role level, and your skills and experience. In some countries, collective bargaining agreements (CBAs) may apply and influence certain elements of pay or benefits. Regeneron offers a competitive and comprehensive total rewards package which may include, depending on country and role: annual bonuses or other incentive plans, equity awards, pension or retirement benefits, 401(k) company match, health and wellness programs, fitness centers, insurance benefits (e.g. medical, dental, vision, life and disability), paid time off, and family support benefits. For additional information about Regeneron benefits in the U.S., please visit https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. For other locations, additional information will be provided during the recruitment process. If you have any questions, please speak with your recruiter.


Please be advised that at Regeneron, we believe we do our best work when we are together. For that reason, many roles are required to be performed onsite. Please speak with your recruiter and hiring manager for more information about onsite expectations for your role and location.


As part of the recruitment process, certain background checks may be conducted in accordance with the laws of the country where the position is based. The purpose of such checks is to verify certain information prior to the commencement of employment such as identity, right to work and educational qualifications.


For jobs in Canada: this posting is for an existing position.


Salary Range (annually)

$128,600.00 - $210,000.00

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