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Scientist I, Cell Biology

Location: United States

Scientist I; Cell Biology

Location: Illinois, United States

Proteintech is an international biotechnology company that manufactures antibodies, ELISA kits and proteins for use in life science research. Proteintech makes of all its own products to the highest standards possible, with complete control over the whole manufacturing, validation and QC process. 60,000+ citations of Proteintech products demonstrates what matters most to the company: the success of its reagents in the hands of scientists, helping them make discoveries to change and explain the world around us.  Visit us at

We are seeking a researcher to join a team focused on the expression and purification of human expressed proteins.

The successful candidate will support the development and optimization of processes that produce cytokines and growth factors.   These proteins will be used in cell therapy and stem cell research.

Key Responsibilities

  • Maintain various cell lines for multiple projects
  • Expand cell lines for production
  • Work in a team environment with senior scientists and production scientists
  • Some other functions include: production and testing of Research Cell Banks transfection or infection of cells, DOEs, process scale up
  • QC testing including endotoxin and western blots

Preferred Education/Experience

  • Bachelor’s degree in an appropriate area of specialization (molecular biology, Cell Biology, biochemistry, or related life sciences)
  • New grads with lab experience are encouraged to apply
  • Laboratory experience
  • Preferred: hands on experience with cell culture, transfection, familiar with protein purification

Knowledge, Skills, Abilities

  • Aseptic Technique
  • Good lab practice
  • Working knowledge of modern laboratory procedures
  • Must have excellent organization skills and ability to handle multiple tasks

Full-time position


  • Paid time off
  • 401K with company match
  • Health and dental insurance
  • Vision discount plan

Contact Katie Bellows -

Proteintech group is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.


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12 April, 2019