Senior Toxicologist (REMOTE ROLE)

ICF International; Reston (VA); Remote; USD 120,000 - 180,000; Full time

Job summary

ICF is seeking a Senior Toxicologist to join the Health Science Portfolio. The role emphasizes toxicology, risk assessment, and exposure assessment to support environmental and public health projects. You will lead projects, develop comprehensive reports, and mentor junior staff in a remote setup.

The position requires a Ph.D. with 5+ years (or a Master’s with 10+ years) in toxicology or related fields, with strong communication and collaboration skills across teams.

Qualifications

• Ph.D. in toxicology, pharmacology, environmental science, or related subject with 5+ years of experience.
• OR Master’s in toxicology, pharmacology, environmental science, or related subject with 10+ years of experience.

Responsibilities

• Project management and technical leadership on multiple projects with toxicology data and risk assessment.
• Develop toxicological reports, including methods, results, and discussion sections; synthesize weight-of-evidence conclusions.
• Draft protocols, reports, manuscripts, project descriptions, and proposals.
• Collaborate with multidisciplinary teams to address scientific and regulatory questions.
• Perform systematic literature review tasks: screening, data extraction, and dose–response analysis.
• Supervise, mentor, and train junior- and mid-level staff.

Skills

Toxicology

Risk assessment

Data analysis

Scientific writing

Project leadership

Mentoring

Education

Ph.D. in Toxicology

M.S. in Toxicology

Job description

SENIOR TOXICOLOGIST

To support ICF's dynamic growth and expanding client base, we are seeking a Senior 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-including metals, pesticides, industrial chemicals, and volatile organic compounds-on human health and the environment.

Location: Remote

What you'll do

• Project management and technical leadership activities on multiple projects concurrently involving toxicology data, systematic literature reviews, and risk assessment. Assist in the definition of project scope and objectives and serve as the primary point of contact for client and internal project teams.
• Toxicological report development, including writing methods, results, and discussion sections, reviewing toxicological conclusions based on the test results, and synthesizing findings into a weight of evidence analysis.
• Draft protocol and guidance documents, toxicological reports, manuscripts, project descriptions, and proposals.
• Collaborate with multidisciplinary teams of toxicologists, biologists, epidemiologists, and statisticians to address complex scientific and regulatory questions.
• Toxicology systematic review tasks including literature screening, study quality evaluation, study data extraction, dose-response analysis, incorporation of NAMs and mechanistic data, and data synthesis.
• Supervise, mentor, and train junior- and mid-level staff.

Basic Qualifications

• Ph.D. in toxicology, pharmacology, environmental science, or related subject with 5+ years of experience in academic, industry, regulatory, or consulting fields.
• OR Master's degree in toxicology, pharmacology, environmental science, or related subject with 10+ years of experience.

Preferred Qualifications

• Strong working knowledge of mechanistic toxicology and molecular biology
• Experience integrating mechanistic, animal, and human evidence into a weight-of-evidence evaluation
• Experience with mode of action and adverse outcome pathway (MOA and AOP) concepts, frameworks, and analyses
• Experience evaluating molecular, cellular, and mechanistic data including transcriptomics, proteomics, metabolomics, and high-throughput screening assays
• Experience with endocrine disruptors, PFAS, PAHs, and other emerging contaminants
• Experience in cancer assessment
• Experience with NAMs, molecular biology techniques, and mechanistic data for regulatory decision-making
• Experience with systematic literature review
• Strong quantitative skills with experience in dose-response analysis, benchmark dose modeling, pathway enrichment analyses, or similar modeling experience
• Strong written and oral communication skills
• Proactive and problem-solving approach to challenges
• Experience/familiarity with government programs
• 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

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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 collabora