Cell-Based Bioassay Scientist I – Analytical Development

Eurofins-USA-Discovery-Services; Fremont (CA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

Life and disability insurance

401(k) with company match

Paid vacation and holidays

Job summary

Eurofins USA Discovery Services in Fremont, CA seeks a Scientist I to drive cell-based bioassay development for biologics characterization and potency determinations. You will design, optimize, qualify, and transfer assays, combining hands-on lab work with data analysis to support product development programs.

You will collaborate with Quality, Regulatory, Manufacturing and Project Management, ensuring compliant documentation and robust methods while maintaining instrument and reagent readiness.

Qualifications

• M.S. degree with 2+ years industry experience; or B.S. with 3+ years.
• Deep knowledge of cell and molecular biology techniques and sterile technique.
• Hands-on experience with mammalian cell culture and cell-based bioassays.
• Experience with fluorescence and luminescence detection systems.
• Experience with data analysis software (GraphPad Prism, JMP, SoftMax Pro) preferred.
• Experience in neutralizing antibody assays and potency analysis a plus.

Responsibilities

• Design, development, qualification, and transfer of cell-based bioassays for potency and characterization.
• Perform routine and non-routine lab experiments and maintain assay-ready cell banks.
• Evaluate assay performance characteristics: accuracy, precision, specificity, sensitivity, linearity, robustness.
• Maintain reagents, documentation, and inventory; ensure data integrity.
• Analyze data and communicate findings to project teams using statistical tools.
• Collaborate across Quality, Regulatory, Manufacturing and Project Management.
• Support product development, technology transfer, and continuous improvement initiatives.
• Ensure timely delivery of high-quality results and compliance with EHS and QA.
• Draft protocols, reports, SOPs, and qualification documents.

Skills

Mammalian cell culture

Cell-based bioassays

ELISA and flow cytometry

Bioassay data analysis

Statistical tools (GraphPad Prism, JMP

Good documentation practices

Education

M.S. in a related scientific field

B.S. in a related scientific field

Tools

GraphPad Prism

JMP

PLA

SoftMax Pro

Job description

Eurofins USA Discovery Services in Fremont, CA seeks a Scientist I to drive cell-based bioassay development for biologics characterization and potency determinations. You will design, optimize, qualify, and transfer assays, combining hands-on lab work with data analysis to support product development programs.

You will collaborate with Quality, Regulatory, Manufacturing and Project Management, ensuring compliant documentation and robust methods while maintaining instrument and reagent readiness.