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Scientist (CHO cell line)
Contract: South San Francisco, California, US span>
Salary Range: 55.00 - 65.00 | Per Hour
Job Code: 364176
End Date: 2025-08-31
Days Left: 26 days, 22 hours left
Pay: $55/hr. - $65/hr.
Job Description:
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Perform CHO cell line development, including transfection, selection, single cell subcloning, growth and productivity screening, cell banking and stability assessment of cell banks.
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Design and generate DNA vector constructs for protein?including monoclonal antibodies and antibody-like molecules)
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Culture mammalian cells across multiple scales and formats, from 96-well plates up to shake flasks.
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Operate instruments like ViCell automated cell counter, Octet, Clone Select Imager, microscope, HPLC, ambr15, Beacon and flow cytometer. Share responsibility for equipment maintenance.
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Perform genetic characterization of cell banks using molecular techniques like DNA sequencing and PCR.
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Review DNA sequencing data (including NGS), Southern/Northern blots, quantitative PCR results.
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Author and review cell line development technical reports that meet expectations of regulatory agencies for all stages from IND to BLA.
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Present updates at cross-functional meetings and collaborate closely with cell culture, purification, analytical and formulation development colleagues to meet project timelines.
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Actively seek opportunities to optimize or enhance the cell line development workflow.
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May publish or present scientific findings in peer-reviewed journals, internal or external conferences or consortia.
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Display effective organization, verbal and written communication skills, and adherence to good documentation practices.
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Scientist I: BS with a minimum of 5 years or MS with a minimum of 3 years of relevant experience
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Scientist II: BS with a minimum of 7 years or MS with a minimum of 5 years of relevant experience
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Proficient in aseptic techniques, mammalian cell culture and basic molecular biology techniques (molecular cloning, plasmid preps, DNA digests/gels, PCR/qPCR)
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Experienced in developing stably transfected CHO cell lines for production of monoclonal antibodies and antibody-like molecules.
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Strong understanding of mammalian cell biology and molecular biology concepts.
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Must have excellent attention to detail and must keep detailed records in electronic lab notebook on a daily basis.
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Demonstrated ability to independently design, execute and interpret critical experiments to answer scientific questions.
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Demonstrated ability to learn, understand and master new experimental techniques.
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Demonstrated ability to work collaboratively within and outside of the group.
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Demonstrated ability to author technical reports and presentations.
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Proficient with MS Office software and able to learn new software applications.
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Able to multi-task and work within timelines.
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Strong communication skills – verbal, written, scientific data presentation.
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Background in CHO cell line development for GMP applications within biotech/pharma industry.
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Understanding of cell biology and bioprocess engineering concepts.
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Hands-on experience running RNA-seq workflow and analysis
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Experience in bioinformatics software to analyze DNA and RNA for sequence confirmation and expression analysis
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Proficiency in programming/data science languages, such as R, Python, and Java
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Experience with flow cytometry
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Experience with ddPCR
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Experience with ambr15 operation
The Company offers the following benefits for this position, subject to applicable eligibility requirements:
- Medical Insurance
- Dental Insurance
- Vision Insurance
- 401(k) Retirement Plan
- Life Insurance
- Long-term disability Insurance
- Short-term Disability Insurance
- Paid Parking/Public Tansportation
- Days/Hours of Paid Time off
- Days/Hours of Paid Sick and Safe Time
- Days/Hours of Paid Vacation Time
- Weeks of Paid Parental Leave
- Paid Holidays annually
Job Requirement
- CHO
Reach Out to a Recruiter
- Recruiter
- Phone
- Himanshu Singh
- himanshu.ksingh@collabera.com
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