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Legend Careers4 weeks ago

Principal Scientist, Upstream Process, Process Development

$146,410–$192,164 year

On-site · Somerset, New Jersey, United States

Type
Full Time
Level
Senior Level
Education
Doctorate Or Professional Degree
Company size
Unknown
Industry
Biotechnology

Job Summary

Principal Scientist, Lentivirus Upstream Process Development based in Somerset, NJ leads design, optimization, and scale-up of upstream production for lentiviral vectors (LVV) to support LVV generation and early-cell-therapy programs. Responsibilities include designing upstream production strategies, optimizing seed trains and mammalian cell culture (HEK293/HEK293T), transient transfection, and bioreactor operations; establishing scale-up/scale-down models; translating bench workflows to GMP manufacturing with tech transfer and troubleshooting during clinical runs; leading study protocols, parameter optimization, and knowledge management; cross-functional collaboration with CMC, regulatory, downstream, and analytical teams; authoring technical documents and contributing to regulatory submissions; ensuring regulatory compliance and driving continuous improvement. Key skills include GMP-aware process development for viral vectors, bioreactor operation at multiple scales, data-driven optimization, project leadership, and strong scientific communication.

Required Qualifications

  • Advanced degree (PhD preferred, or MS) in Chemical Engineering, Biomedical Engineering, Virology, Molecular Biology, or related field
  • 8+ years (PhD) or 10+ years (MS) of experience in process development or manufacturing within biotech/pharma
  • Hands-on experience in mammalian cell culture (HEK293, HEK293T), seed train expansion, feeding strategy, and transient transfection optimization for viral vectors
  • Proven expertise in bioreactor scale-up/scale-down models
  • Strong understanding of GMP manufacturing requirements and CMC strategies for early-phase clinical trials
  • Strong knowledge of cell and lentiviral vector technologies; engineering modeling, mass transfer, and bioprocess optimization
  • Excellent leadership and communication skills; ability to manage timelines and collaborate across teams
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$146k – $192k / yr

Principal Scientist, Upstream Process, Process Development · Legend Careers

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