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Associate Director Toxicology

GlaxoSmithKline
Jun 23, 2026

Position Summary:

You will lead reproductive toxicology activities that support the safe and timely progression of drug candidates through clinical development. You will design and interpret in vivo and in vitro toxicology studies, provide scientific and regulatory input, and work closely with project teams across discovery and development. We are seeking a flexible, self-motivated professional with a strong interest in fertility and pregnancy safety, who can work effectively both independently and collaboratively, communicate clearly, apply sound scientific judgment, and translate nonclinical findings into meaningful assessments of potential human risk. You will join a team focused on scientific rigor and practical impact, with the opportunity to become an industry-leading subject matter expert who shapes drug safety strategy and patient outcomes. Join us to grow your career, make measurable impact for patients, and contribute to GSK's mission of uniting science, technology and talent to get ahead of disease together.

Key responsibilities for the Associate Director Toxicology include:

This role will provide YOU the opportunity to lead key activities to progress YOUR career. These responsibilities include some of the following:

  • You will serve as the primary GSK contact for reproductive toxicology studies conducted at contract research organizations (CROs), ensuring alignment with development timelines and effective coordination between GSK and CRO facilities.

  • Design, oversee and interpret reproductive toxicology studies at CROs to inform project decisions, and will include integrating data and scientific literature to inform on study design and presenting at internal GSK decision making forums

  • Engage external partners to deliver studies and projects on time and to required standards.

  • Serve as study lead on internal in vitro non-GLP studies and provide interpreted reports.

  • Work with management to advise cross-functional project teams on reproductive safety strategy, risk assessment and regulatory needs.

  • Mentor and coach junior scientists and contribute to capability building in the team.

Why you?

Basic Qualifications:

We are looking for professionals with these required skills to achieve our goals:

  • Bachelors in biological science, toxicology, pharmacology, veterinary science, or related discipline, or equivalent industry experience.

  • 5+ years of relevant nonclinical safety or toxicology experience in industry or CRO settings.

  • Experience designing and interpreting in vivo toxicology studies in small and/or large species.

  • Experience working with regulatory expectations for nonclinical safety datasets supporting clinical development.

Preferred Qualifications:

If you have the following characteristics, it would be a plus:

  • PhD in reproductive biology and/or embryology

  • Strong written and verbal communication skills for clear reporting and cross-functional interaction.

  • Experience in pharmaceutical development in a nonclinical safety assessment setting

  • Experience leading study teams, or acting as study director for GLP studies.

  • Experience in interpreting in vivo and in vitro data for assessing and mitigating safety risks.

  • Track record of influencing project decisions through data-driven safety recommendations.

  • Experience working with external partners such as CROs, public private partnerships and academic collaborators.

  • Prior mentoring or people-lead experience and demonstrated collaboration across matrix teams.

#LI-GSK

Please visit GSK US Benefits Summary to learn more about the comprehensive benefits program GSK offers US employees.

Why GSK?

Uniting science, technology and talent to get ahead of disease together.

GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory, immunology and inflammation; oncology; HIV; and infectious diseases - to impact health at scale.

People and patients around the world count on the medicines and vaccines we make, so we're committed to creating an environment where our people can thrive and focus on what matters most. Our culture of being ambitious for patients, accountable for impact and doing the right thing is the foundation for how, together, we deliver for patients, shareholders and our people.

If you require an accommodation or other assistance to apply for a job at GSK, please contact the appropriate Recruitment Staff by emailing us at -usrecruitment.adjustments@gsk.com

GSK is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), military service or any basis prohibited under federal, state or local law.

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