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Associate Scientist / Senior Associate Scientist


Last Updated: 7/23/21

Job Description

The Assoc. Scientist / Sr. Assoc. Scientist in the protein preparation laboratory will play an essential role in the Zoetis biopharmaceutical program for veterinary medicine. The successful applicant will work with a senior team member and assist in a laboratory that will produce multiple preparations of monoclonal antibodies and therapeutic proteins in a fast-paced R&D space engaged in numerous projects. The incumbent is expected to work hands-on at the bench while learning strong technical skills in both upstream production and downstream purification workflows. He/She is expected to work in partnership with colleagues in upstream/downstream development, formulation development, and bioanalytical science. To be successful, they will have some knowledge of CHO cell culture, chromatographic and filtration processes. The position is based in Kalamazoo (Michigan, USA) with interactions with colleagues and external partners located around the globe.

Responsibilities include

  • Assist other scientists with the cell culture and purification of monoclonal antibody (mAb) and therapeutic protein preparations predominantly from but not limited to CHO cell cultures.
  • Aseptically handle one or more systems for monoclonal antibody expression in either CHO mammalian cells, recombinant protein expression in prokaryotes, or in yeasts.
  • Operate bench- and mid-scale bioreactor systems that are used within the laboratory to routinely produce mAbs and therapeutic proteins.
  • Operate multiple modalities of chromatography and filtration systems that are routinely used to isolate, purify and concentrate mAbs and proteins.
  • Coordinate with cell culture and downstream development groups on the procedures, raw materials and equipment required for a successful mid-scale batch
  • Assist in authoring protocols, and technology transfer documents that will support technology transfer within the company or to contract manufacturers and well as to support regulatory filings for new product registrations.
  • Apply theoretical knowledge in the scientific disciplines that support cell culture and downstream processing such as molecular biology, microbiology, cell physiology, protein chemistry, biotechnology, biochemical engineering and biochemistry.
  • Understand and apply principles of scale-up and scale-down to bioreactor systems and downstream processes.
  • Strive for continuous improvement by streamlining existing workflows to increase the volume of work performed by the function while identifying opportunities to shorten the timelines for preparation of supplies.
  • Maintain electronic laboratory notebooks and records in accord with scientific protocol and applicable Standard Operating Procedures.
  • Demonstrate excellent organizational skills in order to engage in multiple projects.
  • Regularly communicate via excellent written and verbal interactions, as well as clear technical presentations.
  • Bolster the highly collaborative team environment necessary across the biopharmaceutical development programs.
  • BSc or MS in Biochemistry, Molecular Biology, Biotechnology, Cell Biology, chemical or biochemical/biomedical engineering, or a related discipline. The successful BS candidate would be expected to have >2 years of industry experience in biotechnology, the MS candidate 0-2 years of experience

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.