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Pfizer Inc.
Pearl River, New York, United States
4 days ago


Why Patients Need You

Everything we do, every day, is in line with an unwavering commitment to the quality and the delivery of safe and effective products to patients.  Our science and risk-based compliant quality culture is flexible, innovative, and customer oriented. Whether you are involved in development, maintenance, compliance or analysis through research programs, your contribution will directly impact patients.

What You Will Achieve

The primary purpose of this position is to develop and optimize upstream process for mammalian cell culture and virus production.  The position requires a good working knowledge of mammalian cell growth and virus propagation. The scope of responsibility includes performing key activities associated with mammalian cell culture such as media/feed optimization, virus infection and titer determination etc. Experience in applied research via internship, summer study or course work is highly desirable. Careful documentation of work and presentation of data is required.  All work is to be done in a compliant manner according to SOP guidelines and cGMP/GLP regulations, where applicable.

How You Will Achieve It

  • Optimize media/feed and culturing parameters to achieve high viable cell density for different mammalian cell lines
  • Maintain and scale up mammalian cells for virus production
  • Identify best host cell line for different types of viruses
  • Adapt adherent cells into suspension culture
  • Keep cell banks for virus production
  • Collaborate with colleagues within Vaccine Research and Development organization including Bioprocess Purification, Analytical, and Formulation Development groups
  • Present problems and propose solutions in discussions with group members.  Offer insights based on experience to group members to help solve existing problems
  • Work with supervisor to analyze, interpret and present experimental data
  • Maintain detailed records and keep management informed as to the progress or issues
  • Keep abreast of scientific/ technological development by participating in scientific meetings/ seminars and through regular scientific review
  • Perform timely notebook entries and review for completed experiments


Must Have

  • BS degree in Virology, Molecular Biology, Cell Biology, Genetics, Biochemistry, Biochemical Engineering, Biomedical Engineering, Chemistry, Biology or related discipline.
  • Experience in mammalian cell culture and/or virus culture


Nice to Have

  • Experience with media optimization is preferable
  • Experience with bioreactor is preferable


  • The ability to make aseptic transfers and perform the relevant laboratory functions.
  • Mental requirements are a detailed understanding of the scientific subject matter, an ability to make scientific judgments and an ability to perform complex data analysis.


  • Works irregular hours (weekends and outside of 9-5 format) as experiments warrant

Other Job Details:

  • Relocation support available

Job Information

  • Job ID: 63370240
  • Location:
    Pearl River, New York, United States
  • Position Title: Associate Scientist - Upstream Process Development
  • Company Name For Job: Pfizer Inc.
  • Job Function: Biology,
  • Job Duration: Indefinite
  • Min Education: BA/BS/Undergraduate
  • Min Experience: 0-1 Year
  • Required Travel: 0-10%
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