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Associate Scientist Upstream Bioprocess


Job Location:

San Mateo, CA - USA

Salary: Not provided by the employer
Posted: 1 October 2026 (23 hours ago)
Application Deadline: 29 December 2026
Vacancies: 1 Vacancy

Job Summary

Our client a world leader 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 on W2


Company Benefits: Medical Paid Sick leave 401K


Hands-on upstream bioprocess professional supporting pilot-scale biologics development. Execute cell culture processes troubleshoot real-time process issues support technology transfers and maintain accurate documentation in a fast-paced pilot lab environment.


Key Responsibilities

  • Execute upstream cell culture processes using shake flasks WAVE systems and 100L/500L single-use bioreactors.
  • Prepare media buffers and reagents; set up equipment and support post-run teardown/cleaning.
  • Perform bioreactor sampling feeding and end-to-end run support.
  • Troubleshoot pilot runs and support equipment inventory analytical activities and lab readiness.
  • Maintain accurate SOPs Benchling batch records run summaries deviations and change notes.
  • Support technology transfers monitor process performance and summarize data/results.
  • Contribute to continuous improvement and biologics development programs.


Qualifications

  • Hands-on upstream cell culture/bioprocessing experience at bench pilot or manufacturing scale.
  • Experience with bioreactors media/buffer preparation and process execution.
  • Strong technical documentation and data communication skills.
  • Organized collaborative safety-focused and comfortable in a schedule-driven environment.


Preferred

  • Pilot-scale bioprocess experience especially WAVE systems or single-use bioreactors.
  • Technology transfer manufacturing support or GMP/GMP-adjacent experience.
  • Experience across multiple upstream unit operations.


Education

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



If interested please send us your updated resume at

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Required Skills:

upstream bioreactors