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Job Opportunity - Proteintech Group Senior Scientist

Proteintech, a rapidly growing Biotech company in the Chicagoland area, is seeking a energetic PhD-level scientist to be part of their molecular/cell biology team. The candidate should specialize in optimization of mammalian cell transcription/translation/secretory mechanisms and would be responsible for aiding the team in maximizing mammalian cell secreted protein yields.


  • Plasmid design and construction, including engineering of proprietary constructs for increased cellular protein expression
  • Optimization of mammalian cell culture conditions for maximum plasmid transcription/translation/protein secretion
  • Mammalian cell transfection
  • Contribute to our research team’s scientific strategies


  • PhD in Molecular/Cellular Biology/Biochemistry with academic postdoctoral or industrial experience
  • Experience with clonal selection and the use of multiple types of enhancers/promoters for mammalian cell expression
  • Demonstrated experience in mammalian cell culture optimization
  • Excellent communication/organization skills