Senior/Scientist, Protein Biochemistry

We are looking for an experienced protein biochemist to join our protein chemistry lab. The ideal candidate is a team player, with a passion for scientific research and drug discovery/development. The successful candidate will have a broad knowledge of protein biochemistry, with experience expressing and purifying antibody-based therapeutic candidates in mammalian systems. In addition, they will have experience with analytical biochemistry (SEC, CE-SDS, LC/MS) and molecular biology (cloning, plasmid construction, sequence verification). The successful candidate will be self-motivated, enthusiastic, hard-working, detail-oriented, and able to work in a fast-paced environment.


  • Perform laboratory scale operations related to protein production (bacterial and mammalian cell culture, bioreactor/wave bag, cell harvest)
  • Perform laboratory scale protein purification (up to gram scale) using conventional chromatography and FPLC
  • Perform analytical studies of proteins
  • Keep good written and electronic records to support protein production and process improvement
  • Analyze results of data and prepare recommendations for improvement or trouble shooting


  • PhD with 3-7 years, or MS with 5-10 years of experience in Analytical chemistry, Biochemistry, Chemistry or other relevant discipline
  • Knowledge and experience in laboratory scale protein purification, employing Hydrophobic Interaction Chromatography (HIC), Size Exclusion Chromatography (SEC), Ion-Exchange (IEX), mixed mode chromatography and affinity chromatography
  • Experience with GE AKTA FPLC and unicorn software preferred
  • Hands on experience with analytical techniques, including HIC-HPLC, LC/MS, SEC, IEX, RP-HPLC, DSC, and capillary electrophoresis (e.g. reduced and non-reduced CE-SDS, icIEF)
  • Previous experience in the discovery and development of bispecific antibodies is desired
  • Strong problem-solving skills
  • Strong written and oral communication skills and the ability to excel in a collaborative environment
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