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Senior Scientist I, Cell Line Development

South San Francisco, CA, us💼 Full-time🗓 2026-06-25 → 2026-07-31

Core

Designing and optimizing CHO cell line platforms to increase recombinant antibody titers for biologics manufacturing.

Role type

Senior Scientist I, Cell Line Development (Hands-on IC)

Builds

Stable CHO cell lines for recombinant antibody production

Domain

Biologics / CMC / Molecular Biology

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Vector construct design and testing, Aseptic mammalian cell culture, Transfection, CRISPR/Cas cell engineering, Flow cytometry, ddPCR / RT-qPCR, Octet (BLI), ViCell, Microfluidic clone-screening, Geneious Prime, Genomic and epigenetic regulation theory, mRNA stability analysis, Protein secretion machinery knowledge

Preferred skills

Industrial CMC experience, NGS library prep and analysis, Python/R programming, Multi-strategy expression engineering

Technologies

Geneious Prime, Octet, ViCell, CloneSelect Imager, Beacon, CRISPR/Cas

Responsibilities

Design and test dozens of vector constructs in stable CHO cell lines, Execute transfection and clone-generation campaigns, Operate and interpret data from core CLD instrumentation, Author technical reports and present data to leadership, Collaborate with cell culture, analytical, and bioinformatics teams

Seniority

Senior, hands-on IC

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