TN Visa Toxicologist Jobs
Toxicologist roles qualify for TN visa sponsorship under USMCA, covering positions in chemical risk assessment, pharmaceutical safety, and environmental compliance. Canadian citizens get border-entry processing with no cap; Mexican citizens need a consular appointment. Your degree in toxicology, biochemistry, or a related biological science must clearly support the job duties.
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Get Access To All JobsINTRODUCTION
Gradient, a Geosyntec Company, is seeking a motivated and resourceful Mid-Level Toxicologist/Risk Assessor to apply knowledge of toxicology to science-based risk evaluations related to human and environmental risk. You will have the opportunity to support our growing practice in Boston, MA; the opportunity to work a hybrid schedule or remotely from your home-office in Austin, TX may be available at the discretion of the Company.
Gradient is an environmental and health risk sciences consulting firm specializing in environmental sciences, human and ecological risk sciences, product stewardship, and life sciences. Gradient's scientists have a variety of backgrounds in chemistry, engineering, toxicology, epidemiology, ecotoxicology, medical device and pharmaceuticals, exposure sciences, industrial hygiene, GIS, product safety and liability, and sustainability.
We invest in our people. Each employee is unique, and your career at Gradient will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.
ESSENTIAL DUTIES AND RESPONSIBILITIES:
- Critically evaluate animal and in vitro toxicological data and results to assess potential for human health risks from exposure to chemicals in the environment and consumer products.
- Perform various analyses in support of toxicology projects, including tabulation of toxicology study data and evaluation of results, for reports, systematic reviews, and hazard assessments.
- Conduct literature searches and critically review and evaluate toxicology studies for strengths and weaknesses regarding study quality, relevance, and reliability for use in human health risk assessment.
- Project work related to toxicology may include systematic reviews, hazard assessments, occupational health and safety assessments, litigation support, regulatory comment, product safety assessments, and site-specific human health risk assessments.
- Assist in the preparation of deliverables (reports, manuscripts, memoranda, presentations, project proposals, agency comments).
- Opportunities to manage small- to medium-sized projects.
EDUCATION AND LICENSURE:
- Bachelor's or Master's degree in toxicology or related sciences. (required)
- Ph.D. in toxicology. (preferred)
SKILLS, EXPERIENCE AND QUALIFICATIONS:
- At least 2 years of related experience; or equivalent combination of education and experience. (preferred)
- Exceptional written and oral communication skills. (required)
- Knowledge of exposure and dose-response modeling methods and tools (e.g., benchmark dose [BMD] modeling, physiologically based pharmacokinetic [PBPK] modeling). (valuable)
- Knowledge of food additive, consumer or medical product, pharmaceutical, pesticide, chemical, occupational, or environmental regulations, air modeling, and other exposure assessment techniques. (valuable)
- Background in conducting or contributing to systematic reviews. (valuable)
This opportunity will be posted for at least five days. Below are the potential compensation ranges that we in good faith believe are applicable for this role at the time of this posting and are only applicable for jobs to be performed in the specified location(s) below. The typical base salary range for this position is just one component of Geosyntec’s total compensation package for employees. Actual compensation will be determined based on education, experience, skill set and location. Minimum: $77,235/year / Maximum: $111,800/year (Boston, MA)
We offer a comprehensive benefits package to all eligible employees including, 9 paid holidays, 2 floating holidays, a minimum of 8 sick days, and a minimum of 11 vacation days per year, in line with state or federal requirements. Employees (and their families) are offered medical, dental, vision, life, and disability insurance, 401(k), a variety of leaves of absences and other benefits to eligible employees.
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INTRODUCTION
Gradient, a Geosyntec Company, is seeking a motivated and resourceful Mid-Level Toxicologist/Risk Assessor to apply knowledge of toxicology to science-based risk evaluations related to human and environmental risk. You will have the opportunity to support our growing practice in Boston, MA; the opportunity to work a hybrid schedule or remotely from your home-office in Austin, TX may be available at the discretion of the Company.
Gradient is an environmental and health risk sciences consulting firm specializing in environmental sciences, human and ecological risk sciences, product stewardship, and life sciences. Gradient's scientists have a variety of backgrounds in chemistry, engineering, toxicology, epidemiology, ecotoxicology, medical device and pharmaceuticals, exposure sciences, industrial hygiene, GIS, product safety and liability, and sustainability.
We invest in our people. Each employee is unique, and your career at Gradient will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.
ESSENTIAL DUTIES AND RESPONSIBILITIES:
- Critically evaluate animal and in vitro toxicological data and results to assess potential for human health risks from exposure to chemicals in the environment and consumer products.
- Perform various analyses in support of toxicology projects, including tabulation of toxicology study data and evaluation of results, for reports, systematic reviews, and hazard assessments.
- Conduct literature searches and critically review and evaluate toxicology studies for strengths and weaknesses regarding study quality, relevance, and reliability for use in human health risk assessment.
- Project work related to toxicology may include systematic reviews, hazard assessments, occupational health and safety assessments, litigation support, regulatory comment, product safety assessments, and site-specific human health risk assessments.
- Assist in the preparation of deliverables (reports, manuscripts, memoranda, presentations, project proposals, agency comments).
- Opportunities to manage small- to medium-sized projects.
EDUCATION AND LICENSURE:
- Bachelor's or Master's degree in toxicology or related sciences. (required)
- Ph.D. in toxicology. (preferred)
SKILLS, EXPERIENCE AND QUALIFICATIONS:
- At least 2 years of related experience; or equivalent combination of education and experience. (preferred)
- Exceptional written and oral communication skills. (required)
- Knowledge of exposure and dose-response modeling methods and tools (e.g., benchmark dose [BMD] modeling, physiologically based pharmacokinetic [PBPK] modeling). (valuable)
- Knowledge of food additive, consumer or medical product, pharmaceutical, pesticide, chemical, occupational, or environmental regulations, air modeling, and other exposure assessment techniques. (valuable)
- Background in conducting or contributing to systematic reviews. (valuable)
This opportunity will be posted for at least five days. Below are the potential compensation ranges that we in good faith believe are applicable for this role at the time of this posting and are only applicable for jobs to be performed in the specified location(s) below. The typical base salary range for this position is just one component of Geosyntec’s total compensation package for employees. Actual compensation will be determined based on education, experience, skill set and location. Minimum: $77,235/year / Maximum: $111,800/year (Boston, MA)
We offer a comprehensive benefits package to all eligible employees including, 9 paid holidays, 2 floating holidays, a minimum of 8 sick days, and a minimum of 11 vacation days per year, in line with state or federal requirements. Employees (and their families) are offered medical, dental, vision, life, and disability insurance, 401(k), a variety of leaves of absences and other benefits to eligible employees.
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LI-Onsite
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Get Access To All JobsTips for Finding TN Visa Sponsorship as a Toxicologist
Align your credentials to TN's scientist category
Toxicologist sits under the Scientist category in the TN classification, so your degree must be in a biological or chemical science. A pharmacology or biochemistry degree works; a general health sciences degree may not satisfy a CBP officer without supporting documentation.
Target regulated industries with established TN pipelines
Pharmaceutical manufacturers, contract research organizations, and EPA-licensed environmental consultancies routinely file TN support letters. These employers already have HR processes for TN documentation, which shortens your offer-to-start timeline compared to employers new to the visa category.
Request a role-specific support letter from your employer
The employer support letter must connect your toxicology duties, degree field, and TN category explicitly. Generic offer letters frequently cause CBP delays. Ask your employer to describe specific tasks like NOAEL assessments or hazard characterization rather than listing a broad job title.
Search for sponsoring employers through Migrate Mate
Use Migrate Mate to filter toxicologist roles by employers with active TN visa sponsorship history. This narrows your search to companies that have already navigated the TN support letter process and are prepared to sponsor your entry at the border or consulate.
Prepare for border entry as a Canadian applicant
Canadians can apply for TN status directly at a land port of entry or airport preclearance. Bring your employer letter, degree transcripts, and any professional certifications such as board certification in toxicology. CBP officers at busy crossings may ask technical questions about your role.
Book your Mexican consular appointment before accepting a start date
Mexican citizens need a TN visa stamp from a U.S. consulate before entering in TN status. Consular appointment availability varies by city and season, so confirm wait times at your nearest U.S. consulate before committing to a start date with your employer.
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Find Toxicologist JobsToxicologist TN Visa: Frequently Asked Questions
Does a toxicologist role actually qualify for TN visa status?
Yes, provided the position genuinely requires a bachelor's degree or higher in a biological or chemical science such as toxicology, biochemistry, or pharmacology. The TN Scientist category covers toxicologists when the job duties involve scientific analysis, risk assessment, or hazard evaluation. Roles rebranded as general health and safety positions without a degree requirement in a specific science may not qualify.
How does TN compare to H-1B for toxicologist positions?
TN has no annual lottery, no cap for Canadians, and can be approved at the border or consulate within hours rather than months. H-1B requires a lottery entry each April, a waiting period, and USCIS petition processing that typically runs several months. For Canadian and Mexican toxicologists with a qualifying science degree and a U.S. job offer, TN is a faster and more predictable path than H-1B.
Where can I find toxicologist jobs that offer TN visa sponsorship?
Migrate Mate is built specifically for Canadian and Mexican professionals seeking U.S. roles with TN visa sponsorship. You can filter by job title and employer sponsorship history, so you're targeting companies already set up to support your TN application rather than spending time educating employers about the visa category from scratch.
Can I switch toxicologist employers while on TN status?
Yes, but you need a new TN approval before starting with the new employer. Canadians can present the new employer's support letter at a port of entry to obtain updated TN status. Mexican citizens need to apply for a new TN visa at a U.S. consulate. You cannot legally begin work for the new employer until the new TN authorization is in hand.
What happens if my toxicologist role shifts toward management duties?
If your position evolves into primarily supervisory or administrative work with limited scientific duties, CBP or a consular officer may question whether it still qualifies under the TN Scientist category on renewal. Document the scientific components of your role in your employer support letter at each renewal to maintain a clear record that the position continues to meet the TN specialty occupation standard. Migrate Mate can help you identify roles where the scientific scope stays consistent with TN requirements.
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