ICF
The Senior Toxicologist supports federal agencies in designing, conducting, and reporting hazard studies and human health risk assessments for environmental pollutants. This role involves providing leadership in integrating molecular biology, mechanistic toxicology, and new approach methodologies to support hazard identification and risk assessments. The position requires evaluating diverse evidence streams and synthesizing findings into weight-of-evidence analyses for complex scientific and regulatory questions.
Headquarters
Reston, Virginia, United States
Company Size
5001-10000 employees
Founded
1969
We work with hundreds of companies and governments to plan, design, and implement transformative projects. Learn more about ICF.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for ICF.
U.S. News & World Report Names ICF a Best Company to Work For
Dec 8, 2025