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Sr. Research Associate / Associate Scientist- Downstream Process

Legend Biotech

$81,273 - $111,750
Sep 9, 2025
Philadelphia, PA, US
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Legend Biotech needs a Sr. Research Associate / Associate Scientist to manufacture lentiviral vectors using suspension cell cultures and perform downstream purification to support the development of cell therapies.

Requirements

  • Hands-on experience in lentiviral vector production
  • Proficiency with DSP equipment such as HPLC/FPLC (e.g. AKTA) and TFF (e.g. KrosFlo) systems
  • Experience with cell clarification
  • Experience with column chromatography
  • Experience with TFF/diafiltration
  • Experience with sterile filtration
  • Experience with suspension cell cultures

Responsibilities

  • Manufacture lentiviral vector (LVV) using suspension cell lines in shake flasks
  • Perform downstream purification with preclinical and industrial scales
  • Test downstream processes (DSP), optimize, and help to lock-in final DSP starting from cell clarification, column chromatography, TFF/diafliltration, and sterile filtration
  • Perform manual fill/finish operations for final LVV products
  • Support LVV production for internal research teams
  • Independently plan, conduct, analyze, and report experimental data, contributing to future technology transfer activities
  • Collaborate closely with the upstream process team and LVV analytical team

Other

  • BS degree with 3+ years of industry experience; MS degree with 2+ years industry experience
  • Ability to thrive in a fast-paced biotech environment and effectively prioritize workload