Associate Scientist - Upstream Bioprocess San Mateo, United States | Posted on 10/01/2026
Our client, a worldleader in life sciences and biotechnology, is looking for an “Associate Scientist - Upstream Bioprocess” based in Foster City, CA.
Job Duration: Long Term Contract(Possibility of Extension)
Pay Rate: $54.50/hr onW2
Company Benefits:
Medical, Paid Sickleave, 401K
Hands-on upstreambioprocess professional supporting pilot-scale biologics development. Executecell culture processes, troubleshoot real-time process issues, supporttechnology transfers, and maintain accurate documentation in a fast-paced pilotlab environment.
Key Responsibilities:
Executeupstream cell culture processes usingshake flasks, WAVE systems, and 100L/500L single-use bioreactors.
Preparemedia, buffers, and reagents; set up equipment and support post-runteardown/cleaning.
Performbioreactor sampling, feeding, and end-to-end run support.
Troubleshootpilot runs and support equipment, inventory, analytical activities, andlab readiness.
MaintainaccurateSOPs, Benchling batch records, run summaries, deviations, andchange notes.
Supporttechnology transfers, monitor process performance, and summarizedata/results.
Contributeto continuous improvement and biologics development programs.
Qualifications:
Hands-onupstream cell culture/bioprocessingexperience at bench, pilot, ormanufacturing scale.
Experiencewith bioreactors, media/buffer preparation, and process execution.
Strongtechnical documentation and data communication skills.
Organized, collaborative, safety-focused, and comfortable in a schedule-drivenenvironment.
Preferred Pilot-scalebioprocess experience, especiallyWAVE systems or single-usebioreactors.
Technologytransfer, manufacturing support, or GMP/GMP-adjacent experience.
Experienceacross multiple upstream unit operations.
EducationAA/AS+ 4+ yearsrelevant industry experience, OR
BS/BEin Chemical Engineering, Biochemical Engineering, Biochemistry, Biology, or related field + 2+ yearsrelevant experience.
