Research Associate II, Bioprocess Development (Contract)

Prolific MachinesEmeryville, CA
Onsite

About The Position

Prolific Machines is seeking a Research Associate II to execute upstream cell culture process development experiments. This role involves setting up and operating small-scale bioreactors and sampling cell culture material. The ideal candidate will have hands-on experience in mammalian cell culture process development and the ability to work effectively with senior engineers to advance process development objectives while maintaining rigorous data integrity. This is an on-site position in Emeryville, CA.

Requirements

  • Bachelor’s or Master’s degree in Biology, Biochemistry, Bioengineering, Chemical Engineering, or a related life science field, with 2+ years of industry experience in cell culture or upstream process development. Candidates without a degree but with similar industry experience are encouraged to apply.
  • Thorough knowledge and hands-on experience in mammalian cell culture techniques, including aseptic technique, media preparation, and cell passaging.
  • Experience operating bench-scale bioreactors and performing cell culture sampling and analysis.
  • Able to ramp up quickly and contribute independently to ongoing process development work in a fast-paced, collaborative laboratory environment.
  • Comfortable with cell culture analytics and instrumentation (e.g., BioProfile® FLEX2, Vi-CELL BLU, Cedex® Bio HT) and be able to interpret in-process data.
  • Detail-oriented with a strong commitment to safety, quality, good documentation practices, and accurate electronic lab notebook record-keeping.
  • Excited to work with internal and external clients to deliver project excellence.
  • Strong communication skills and comfortable sharing knowledge at multiple levels of technical detail.
  • Self-motivated, organized, and able to manage multiple concurrent experiments while collaborating effectively across functional teams.

Nice To Haves

  • Experience with Eppendorf DASboxⓇ and Sartorius BiostatⓇ B-DCU systems is a plus.

Responsibilities

  • Under supervision of senior engineers, execute upstream process development experiments, including the setup and takedown of operations, daily monitoring of cell culture health and performance, and routine sampling for in-process analysis.
  • Perform mammalian cell culture operations using aseptic technique, including media and solution preparation, cell passaging and expansion, and inoculation of shake flasks and small-scale bioreactors.
  • Operate and monitor small-scale bioreactors, tracking key process parameters and carrying out simple harvest of bench-scale cultures.
  • Collaborate with senior engineers to troubleshoot routine process challenges and summarize results to support experimental decision-making.
  • Maintain electronic lab notebooks for all experiments and ensure data integrity and good documentation practices are upheld throughout the course of each study.

Benefits

  • Overtime pay
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