Associate Scientist - Upstream Bioprocess

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“AssociateScientist - Upstream Bioprocess” based in Foster City, CA.

Job Duration:LongTerm 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 using shake flasks, WAVE systems, and100L/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.
• Maintainaccurate SOPs, 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-on upstream cell culture/bioprocessing experience 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, especially WAVE systems or single-usebioreactors .
• Technologytransfer, manufacturing support, or GMP/GMP-adjacent experience.
• Experienceacross multiple upstream unit operations.

Education

• AA/AS+ 4+ years relevant industry experience, OR
• BS/BEin Chemical Engineering, Biochemical Engineering, Biochemistry, Biology,or related field + 2+ years relevant experience.