Scientist: Protein Purification Group


Proteos is a high-quality contract research organization specializing in expression and purification of recombinant proteins.  We are currently seeking a scientist to join the Protein Purification team.

Please apply through by following this link:


  • Competitive salary
  • 401K plan with company match
  • Medical Insurance
  • Paid time off including vacation time, sick time, and 9 company holidays

The scientist’s primary job function is purification and analysis of recombinant proteins produced in E.coli, mammalian and baculovirus expression systems.  Purification techniques include both affinity and classical chromatography methods.  The scientist will also be responsible for E. coli expression projects, including small scale expression optimization through scale-up.  

  • BS in a relevant scientific discipline with 3 years of related laboratory experience.  Comprehensive knowledge of and demonstrated experience with scientific principles/concepts in the areas of protein biochemistry including:
    • protein purification using a variety of chromatographic tools including AKTA FPLC systems
    • purification of recombinant proteins from mammalian, insect and bacterial expression systems
    • protein analysis methods including SDS-PAGE, western blotting, HPLC-SEC, and spectrophotometry.
    • recombinant protein expression in E. coli
  • Working knowledge of expression in mammalian and insect cell lines
  • Team player
  • Ability to work safely in a laboratory environment
  • Ability to work effectively in a fast-paced, team oriented environment
  • Excellent communication skills, both written and verbal
  • This position requires the ability to lift heavy items and can require standing for long periods of time.
  • Successful applicants will be asked to show proof that they can legally work in the US

Employment Application