Ionis Pharmaceuticals

Associate Director, Toxicology

Ionis Pharmaceuticals

Carlsbad, CA, USAFull timePosted Jun 12, 2026

Job description

Ionis is seeking a talented and highly motivated Toxicologist to join the Preclinical Development Department and provide scientific leadership in the nonclinical safety assessment of drug candidates. The department is composed of highly collaborative scientists and offers a supportive environment that fosters professional growth and continuous learning.

The expectation will be for this person to work on site in Carlsbad, CA.