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Director, Toxicology

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Vir Biotechnology
Part Time position
Listed on 2026-10-09
Job specializations:
  • Research/Development
    Medical Science, Clinical Research, Research Scientist
  • Healthcare
    Medical Science, Clinical Research
Job Description & How to Apply Below
Vir Biotechnology, Inc. is a clinical-stage biopharmaceutical company focused on powering the immune system to transform lives by discovering and developing medicines for serious infectious diseases and cancer. Its clinical-stage portfolio includes programs for chronic hepatitis delta and multiple PRO-XTEN dual-masked T-cell engagers across validated targets in solid tumor indications. Vir Biotechnology also has a preclinical portfolio of programs across a range of infectious diseases and oncologic malignancies.

Vir Biotechnology has exclusive rights to the universal PRO-XTEN masking platform for oncology and infectious disease. PRO-XTEN is a trademark of Amunix Pharmaceuticals, Inc., a Sanofi company.

We believe the success of our colleagues drives the success of our mission. We are committed to creating a company where everyone feels supported and encouraged to give their best.

THE OPPORTUNITYVir Biotechnology is seeking an experienced Director, Toxicology to lead nonclinical safety strategies across our infectious disease and oncology portfolio. In this role, you will provide scientific leadership for toxicology and safety assessment activities from candidate selection through clinical development, working closely with cross-functional teams and external partners to advance programs efficiently and effectively.

You will contribute to study design, data interpretation, regulatory submissions (IND and NDA/BLA), and risk assessment, while driving innovative approaches to support successful drug development. This position reports to the VP of Translational Development.

This role is located in our San Francisco headquarters with an expectation of at least 3 days per week in the office.

WHAT YOU'LL DODevelop and execute the nonclinical toxicology strategy across multiple development programs from candidate selection through registration and life cycle management

Oversee nonclinical safety studies (GLP and non-GLP) in compliance with regulations and company SOPsAccountable for the design, review and interpretation of nonclinical toxicology study reports and report finalization consistent with the necessary global regulatory and compliance requirements

Strong knowledge of GLP regulations and regulatory guidelines for testing biologics is required

Leads development and review of regulatory documents (CTAs, IMPDs, INDs, BLAs, etc) and interact with regulatory authorities as needed

Partner with and provide subject matter expertise to key internal stakeholders (e.g. Regulatory, Clinical, CMC) and their external co-collaborators to ensure proper integration of nonclinical activities into overall development plans

Contribute to the departmental procedures such as SOPs and templates

Maintains a current understanding of significant literature and methodology, as well as the scientific literature related to Vir Bio’s pipeline and R&D projects

Works as part of a multidisciplinary team to bring discovery candidates into development and through licensure

Generates literature reviewsWHO YOU ARE AND WHAT YOU BRINGDVM or PhD in Pharmacology/Toxicology or Biomedical SciencesDABT Certification strongly preferred
12+ years of relevant experience in industry conducting biologics and pharmaceutical research and development, and preferably with oncology and infectious disease biologics specialization

Working knowledge of FDA, EMA, and ICH guidance including GLP regulations

Experience in authoring regulatory submissions, e.g. INDs, BLA and preparing science-based responses to regulatory inquiries

Functional understanding of QA, regulatory, and clinical responsibilities to guide key nonclinical activities, setting up drug candidates for success at all stages of development

Excellent scientific written and oral communication…
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