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EisaiPosted 3 weeks ago

Principal Researcher, Downstream Process Development - Biologics

$80,200–$105,200 year

On-siteExton, Pennsylvania, United States

Full TimeSenior LevelLarge

Job Summary

Execute laboratory scale experiments for protein purification including chromatography, filtration, and membrane separations. Investigate novel technologies to improve processes, perform standard analytical methods such as UV/Vis spectroscopy, HPLC, and ELISA, and design viral clearance studies. Support internal and external technology transfers, author regulatory documents, and maintain critical data in laboratory notebooks. Perform scale-up and tech transfer of purification processes for GMP production and manage PD equipment and laboratory maintenance. Interact cross-functionally with Upstream Process Development, Operations, and Quality Assurance to support late-stage product development.

Required Qualifications

  • BS or MS in biological sciences, chemistry, biochemistry or equivalent job experience/degree
  • Minimum 5 years' experience with protein purification techniques for biopharmaceuticals
  • CMC protein purification development experience with standard bioprocess unit operations such as chromatography separations (resin/membrane: affinity, CEX, AEX, HIC, MM) and filtration operations (depth filtration, virus filtration, sterile filtration, TFF)
  • Extensive experience with AKTA chromatographic instruments
  • Unicorn method writing experience for systems such as AKTA Avant and AKTApilot
  • Excellent attention to detail and ability to keep detailed written records
  • Ability to author clear and concise technical reports and presentations
  • Demonstrated ability to independently design, execute, and interpret experimental data to further process/product knowledge

Desired Qualifications

  • Experience in Design of Experiments (DoE) and multivariate analysis
  • Experience with high throughput screening techniques, including Tecan
  • Knowledge or experience with scale-up, technology transfer, process validation, viral clearance studies, and GMP manufacturing
  • Experience with analytical techniques such as HPLC, electrophoresis and ELISA
  • Strong written and oral communication skills and good interpersonal skills
  • Team player who can excel in fast-paced entrepreneurial environment

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