Toxicologist Jobs for OPT Students
Toxicologist jobs on OPT require a degree in toxicology, pharmacology, or a related life science field. Most roles qualify as STEM OPT, giving you up to three years of work authorization. Positions span government agencies, pharmaceutical companies, and environmental consulting firms across the U.S.
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Get Access To All JobsTOXICOLOGIST
To support ICF’s dynamic growth and expanding client base, we are seeking a Toxicologist to work in our Health Science Portfolio. This group of 100+ science professionals provide toxicology, hazard assessment, epidemiology, risk assessment, exposure assessment, environmental modeling, and related support that addresses the full spectrum of potentially hazardous agents, including chemicals and microbes. We specialize in identifying and quantifying the effects of environmental pollutants, such as metals, pesticides, and volatile organic compounds, on human health and the environment.
The Toxicologist’s project work would support federal agencies (such as U.S. EPA and NIEHS) in conducting and reporting the results of hazard studies and supporting risk assessments of environmental pollutants and microbes.
The position can be located remotely, although preference is for a candidate to be located in Durham, NC.
Key Responsibilities:
- Project and technical support of activities on multiple projects concurrently involving toxicology data, mechanistic data, systematic literature reviews, and risk assessment.
- Support of and project leadership in literature reviews of carcinogens and other substances for potentially hazardous agents, including:
- screening available studies for relevance to a research question,
- extracting relevant study data,
- evaluating study design and the risk of bias for included studies,
- synthesizing evidence to reach a hazard conclusion,
- performing quantitative analyses to develop dose-response relationships and meta-analyses, and
- documenting methods, assumptions, conclusions, and key data gaps in a report
- Task and project management
- Interaction and correspondence with clients
- Review of work produced by others
- Development of technical publications and guidance, presentations at conferences, and proposal sections
- Mentoring and training other technical staff
Basic Qualifications:
- Graduate degree or equivalent in toxicology, pharmacology, environmental science, or related subject.
- Minimum one year of experience with government programs (preferably U.S. EPA or NIEHS)
Professional Skills You Will Use:
- Proactive and problem-solving approach to challenges
- Excellent organizational skills and attention to detail
- Ability to prioritize, multi-task, and work under strict deadlines in a fast-paced environment.
- Experience with project management and staff leadership
- Demonstrated ability to formulate and execute technical approaches to solving scientific questions
Working at ICF
ICF is a global advisory and technology services provider, but we’re not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future. We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer. Together, our employees are empowered to share their expertise and collaborate with others to achieve personal and professional goals. For more information, please read our EEO policy.
We will consider for employment qualified applicants with arrest and conviction records.
Reasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals with sincerely held religious beliefs, in all phases of the application and employment process. To request an accommodation, please email Candidateaccommodation@icf.com and we will be happy to assist. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.
Read more about workplace discrimination rights or our benefit offerings which are included in the Transparency in (Benefits) Coverage Act.
Candidate AI Usage Policy
At ICF, we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate or assist with responses during interviews (whether in-person or virtual) is not permitted. This policy is in place to maintain the integrity and authenticity of the interview process.
However, we understand that some candidates may require accommodation that involves the use of AI. If such an accommodation is needed, candidates are instructed to contact us in advance at candidateaccommodation@icf.com. We are dedicated to providing the necessary support to ensure that all candidates have an equal opportunity to succeed.
Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position.
The pay range for this position based on full-time employment is:
$89,222.00 - $151,678.00
LOCATION
N Carolina Remote Office (NC99)
TOXICOLOGIST
To support ICF’s dynamic growth and expanding client base, we are seeking a Toxicologist to work in our Health Science Portfolio. This group of 100+ science professionals provide toxicology, hazard assessment, epidemiology, risk assessment, exposure assessment, environmental modeling, and related support that addresses the full spectrum of potentially hazardous agents, including chemicals and microbes. We specialize in identifying and quantifying the effects of environmental pollutants, such as metals, pesticides, and volatile organic compounds, on human health and the environment.
The Toxicologist’s project work would support federal agencies (such as U.S. EPA and NIEHS) in conducting and reporting the results of hazard studies and supporting risk assessments of environmental pollutants and microbes.
The position can be located remotely, although preference is for a candidate to be located in Durham, NC.
Key Responsibilities:
- Project and technical support of activities on multiple projects concurrently involving toxicology data, mechanistic data, systematic literature reviews, and risk assessment.
- Support of and project leadership in literature reviews of carcinogens and other substances for potentially hazardous agents, including:
- screening available studies for relevance to a research question,
- extracting relevant study data,
- evaluating study design and the risk of bias for included studies,
- synthesizing evidence to reach a hazard conclusion,
- performing quantitative analyses to develop dose-response relationships and meta-analyses, and
- documenting methods, assumptions, conclusions, and key data gaps in a report
- Task and project management
- Interaction and correspondence with clients
- Review of work produced by others
- Development of technical publications and guidance, presentations at conferences, and proposal sections
- Mentoring and training other technical staff
Basic Qualifications:
- Graduate degree or equivalent in toxicology, pharmacology, environmental science, or related subject.
- Minimum one year of experience with government programs (preferably U.S. EPA or NIEHS)
Professional Skills You Will Use:
- Proactive and problem-solving approach to challenges
- Excellent organizational skills and attention to detail
- Ability to prioritize, multi-task, and work under strict deadlines in a fast-paced environment.
- Experience with project management and staff leadership
- Demonstrated ability to formulate and execute technical approaches to solving scientific questions
Working at ICF
ICF is a global advisory and technology services provider, but we’re not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future. We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer. Together, our employees are empowered to share their expertise and collaborate with others to achieve personal and professional goals. For more information, please read our EEO policy.
We will consider for employment qualified applicants with arrest and conviction records.
Reasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals with sincerely held religious beliefs, in all phases of the application and employment process. To request an accommodation, please email Candidateaccommodation@icf.com and we will be happy to assist. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.
Read more about workplace discrimination rights or our benefit offerings which are included in the Transparency in (Benefits) Coverage Act.
Candidate AI Usage Policy
At ICF, we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate or assist with responses during interviews (whether in-person or virtual) is not permitted. This policy is in place to maintain the integrity and authenticity of the interview process.
However, we understand that some candidates may require accommodation that involves the use of AI. If such an accommodation is needed, candidates are instructed to contact us in advance at candidateaccommodation@icf.com. We are dedicated to providing the necessary support to ensure that all candidates have an equal opportunity to succeed.
Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position.
The pay range for this position based on full-time employment is:
$89,222.00 - $151,678.00
LOCATION
N Carolina Remote Office (NC99)
How to Get Visa Sponsorship in Toxicologist
Confirm your degree qualifies for STEM OPT extension
Toxicology, pharmacology, biochemistry, and environmental science degrees typically qualify for the 24-month STEM OPT extension. Verify your CIP code with your DSO before applying, since some interdisciplinary programs require extra documentation to confirm eligibility.
Apply to employers with established OPT hiring infrastructure
Pharmaceutical companies, contract research organizations, and federal agencies like the EPA and FDA regularly hire toxicologists on OPT. These organizations already understand work authorization timelines and are less likely to withdraw offers over visa paperwork.
Lead with your technical specialization, not your visa status
Employers filling toxicologist roles care about your expertise in dose-response modeling, risk assessment, or regulatory submissions. Establish your technical value clearly in your application before raising OPT, so the conversation stays focused on your qualifications.
Target roles with explicit research or regulatory functions
Positions in drug safety, environmental risk assessment, and toxicological testing are strong OPT fits because they require specialized scientific training. These role types are harder to fill, which gives you more leverage when discussing work authorization needs.
Build a portfolio of regulatory and research outputs
Assembling published studies, risk assessment reports, or regulatory filing samples strengthens your candidacy significantly. Employers hiring toxicologists on OPT want proof of output, not just coursework, so concrete evidence of your work reduces hesitation around sponsorship.
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Get Access To All JobsFrequently Asked Questions
Do toxicologist jobs qualify for the STEM OPT extension?
Most toxicologist roles qualify for the 24-month STEM OPT extension, giving you up to three years of total work authorization as an F-1 student. Qualifying degrees typically include toxicology, pharmacology, biochemistry, and environmental science. Confirm your program's CIP code with your DSO, since interdisciplinary programs occasionally fall outside standard STEM OPT eligibility even when the job itself is scientific.
Which types of employers hire toxicologists on OPT?
Pharmaceutical and biotechnology companies, contract research organizations, chemical manufacturers, and federal agencies including the EPA, FDA, and CDC regularly hire toxicologists on OPT. Environmental consulting firms and academic research institutions also sponsor OPT students for toxicology roles. You can filter for OPT-friendly toxicology employers directly on Migrate Mate, which lists roles from employers open to work authorization candidates.
Can I work as a toxicologist on OPT if my degree is in a related field like biochemistry or environmental science?
Yes, as long as your work is directly related to your degree field. USCIS requires OPT employment to be in a job directly related to your major area of study. A biochemistry graduate working in drug metabolism research or an environmental science graduate conducting ecological risk assessments both satisfy this requirement. Your DSO can confirm whether a specific role meets the relatedness standard before you accept an offer.
How should I handle the H-1B sponsorship conversation with a toxicology employer?
Raise the topic during the offer stage, not after you've accepted. Explain your OPT authorization window, your STEM extension eligibility, and that the H-1B cap registration period runs each March for an October 1 start date. Employers with existing immigration counsel, particularly large pharmaceutical companies and CROs, are most likely to sponsor because they already have processes in place. Smaller firms may need more education about the timeline.
What happens to my OPT if I change employers during my toxicologist role?
You can change employers on OPT, but you must report the change to your DSO within 10 days and ensure your new role is directly related to your degree. There is no waiting period, so you can begin with a new employer immediately. On the STEM OPT extension, you must also submit an updated Form I-983 training plan with your new employer's information before starting.
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