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Principal Scientist/Senior Principal Scientist – PK/PD (JR00006040)


Last Updated: 1/16/21

Job Description

Zoetis is seeking an experienced pharmacokinetics-pharmacodynamics scientist to join our industry leading research and development team. This position requires a highly motivated and independent leader responsible for the design, conduct, analysis, and interpretation of in vivo PK/PD studies of protein therapeutics in multiple species. The successful candidate will need to have excellent interpersonal and communication skills and will work in multidisciplinary teams to develop novel veterinary therapeutics from early research through late-stage development.


  • Independently design, conduct and analyze in vivo PK/PD, PK and TK studies in multiple veterinary species for large molecule (protein) therapeutics. May also assist with small molecule pharmaceutical studies.
  • Design studies and interpret ADA assay results to evaluate the immunogenicity of protein therapeutics.
  • Serve as study director or principal investigator for in vivo PK, PK/PD, TK or clinical studies (GxP and non-GxP), including writing protocols and reports.
  • Collaborate with bioanalytical team to forecast analytical requirements for projects and assess performance of analytical assays (immunoassays and LC/MS assays)
  • Provide PK and PK/PD modeling and simulation to help select lead candidates and optimize dose regimens
  • Work collaboratively with multidisciplinary teams to prosecute studies and projects in line with the strategic direction of the team
  • Present research results to scientific teams, management, and regulatory agencies
  • Write sections of regulatory submissions, respond to inquiries from regulatory agencies, and maintain knowledge of regulatory guidance documents


  • PhD in Pharmacology, Biochemistry, or related discipline. Five (5) years or more of industry experience in PK/PD required.
  • Demonstrated ability to design, analyze and interpret in vivo PK and PK/PD studies.
  • Skilled in the used of PK and PK/PD analysis software such as WinNonlin or Watson. Experience in PK/PD modeling and simulation is highly desirable.
  • Highly independent scientist with strong background in ADME and immunogenicity of protein therapeutics.
  • Solid background in statistics and experience with SAS, JMP and/or R is highly desirable.
  • Excellent verbal/written communication, organizational and interpersonal skills
  • Self-starter, able to prioritize work and work efficiently with minimal supervision
  • Working knowledge of analytical methodology for large molecule and small molecule analyses, including ligand binding assays (immunoassays) and LC/MS/MS assays.
  • Experience interacting with regulatory agencies is highly desirable
  • Experience conducting GLP studies is desirable

Full time



Zoetis is committed to equal opportunity in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability or veteran status or any other protected classification. Disabled individuals are given an equal opportunity to use our online application system. We offer reasonable accommodations as an alternative if requested by an individual with a disability. Please contact Zoetis Colleague Services at [Register to View] to request an accommodation. Zoetis also complies with all applicable national, state and local laws governing nondiscrimination in employment as well as employment eligibility verification requirements of the Immigration and Nationality Act. All applicants must possess or obtain authorization to work in the US for Zoetis. Zoetis retains sole and exclusive discretion to pursue sponsorship for the acquisition or maintenance of nonimmigrant status and employment eligibility, considering factors such as availability of qualified US workers. Individuals requiring sponsorship must disclose this fact. Please note that Zoetis seeks information related to job applications from candidates for jobs in the U.S. solely via the following: (1) our company website at site, or (2) via email to/from addresses using only the Zoetis domain of [Register to View] In addition, Zoetis does not use Google Hangout for any recruitment related activities. Any solicitation or request for information related to job applications with Zoetis via any other means and/or utilizing email addresses with any other domain should be disregarded. In addition, Zoetis will never ask candidates to make any type of personal financial investment related to gaining employment with Zoetis.

Company Details


Parsippany, New Jersey, United States

Zoetis discovers, develops, manufactures and commercializes medicines, vaccines and diagnostic products, which are complemented by biodevices, genetic tests and precision livestock farming. Zoetis serves veterinarians, livestock producers and people who raise and care for farm and companion animals in more than 100 countries.