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Bioprocess Development, Fermentation Research Associate III

Codexis, Inc.
Redwood City, CA
Start date
May 17, 2024

View more

Regulatory, Research/Documentation, Science/R&D, Research
Required Education
Bachelors Degree
Position Type
Full time
Biotech Bay

Job Details

48 - Bioprocess Development

Employment Type
Full Time

Redwood City, CA

Workplace type


Codexis, a biotechnology company based in Redwood City, CA, is looking to hire a Bioprocess Development, Fermentation Research Associate III.
Codexis is a leading enzyme engineering company leveraging its proprietary CodeEvolver® technology platform to discover, develop and enhance novel, high-performance enzymes and other classes of proteins. Codexis enzymes solve for real-world challenges associated with small molecule pharmaceuticals manufacturing and nucleic acid synthesis. The Company is currently developing its proprietary ECO Synthesis™ platform to enable the scaled manufacture of RNAi therapeutics through an enzymatic route. Codexis enzymes can drive improvements, such as higher yields, reduced energy usage and waste generation, improve efficiency in manufacturing and greater sensitivity in genomic and diagnostic applications.  

To meet the goals we’ve set for ourselves, we look for individuals who are driven, eager to grow and ready to embrace meaningful challenges. We empower employees to be authentic, ambitious, agile and have the courage to take action where they can make a positive impact. 

Come join us on this journey to transform the enzyme engineering landscape for the betterment of human health.

About the Opportunity: The Bioprocess Development, Fermentation Research Associate III will joining our Upstream Bioprocess Development team and is responsible for the execution of fermentation and experiments to help enable the development of Enzymes for Codexis' different business verticals. The position will be on-site in Redwood City. If any of the below describes you, we would love to meet you!
  • Passionate about fermentation and the role it plays in translating scientific discovery into commercial reality.
  • Enjoy working in a cross functional bioprocess development team.
  • Strong safety mindset in a fermentation environment and have a strong attention to detail.

In this role you will be responsible for:
  • The Research Associate will be responsible for executing all hands-on operational aspects of 10 L fermentations. This includes: cell banking, shake flask/seed train execution, hands-on running bioreactors, media prep, sterilization/cleaning, and sample handling/processing. 
  • Running routine fermentation sample analytics using SDS-PAGE, CEDEX, Gallery, YSI or similar. 
  • Monitoring fermentation experiments in real time and collaborating and communicating with other team members to troubleshoot issues.
  • Running primary recovery operations such as laboratory scale centrifugation, lysis, tangential flow filtration (TFF), and lyophilization.
  • Maintaining a clean, safe, and organized laboratory environment. 
  • Keeping organized batch records and following good documentation practices, including following SOPs with strong attention to detail.

The essential requirements of the job include:
  • Bachelor’s degree in Chemical Engineering, Biochemistry, Microbiology or related discipline. 
  • A minimum of 2-3 years hands on experience with bench scale fermentors. 
  • Comfortable running multiple fermentors safely, with minimal supervision. 
  • Excellent aseptic technique and experience working in a BSC.
  • Experience using standard process and analytical equipment in a fermentation laboratory such as: spectrophotometer, pH meter, centrifuge, incubators, metabolite analytics (e.g. Gallery, CEDEX, YSI), and others.

Additional experience that would be valuable for this role includes:
  • Troubleshooting fermentation equipment issues with the support of others. 
  • Experience working under a quality system.
  • Previous contributions to internal presentations, technical reports, writing batch records and SOPs.

CODEXIS PAY TRANSPARENCY: The anticipated salary range for candidates who will work in Redwood City is $92,250 to $107,000. The final salary offered to a successful candidate will be dependent on several factors that may include but are not limited to the type and length of experience within the job, type and length of experience within the industry, education, etc. Codexis is a multi-state employer, and this salary range may not reflect positions that work in other states​.
What can Codexis offer you?
  • Medical, Dental and Vision Insurance 
  • Basic Life, AD&D, Short- and Long-Term Disability Insurance 
  • 401k with Company Match up to 4% 
  • Company Equity 
  • Generous Paid Time Off including 18 Company Holidays (with a summer and winter shutdown), Vacation, and Wellness Time 
  • Annual Lifestyle Account for reimbursement of fitness programs, equipment and more 
  • Employee Stock Purchase Program (ESPP) 
  • Flexible Spending Accounts (Commuter/Parking, Dependent Care & Healthcare)
  • Student Debt Program (Company Contribution to Loans)
  • Mental Health Wellness Program
  • Subsidized onsite lunch program
  • Onsite Gym Facilities
  • Paid Parental Leave
  • And More!

About Codexis Inc

Why join Codexis?

At Codexis we offer a very competitive compensation package and beyond excellent benefits! We foster career growth, continued education and upskilling through our mentorship program and learning and development opportunities. You will learn and work alongside inspirational leaders and colleagues who are equally passionate about our mission and committed to fostering an inclusive, growth-centered, and rewarding culture. Diversity is valued and mutual trust is of paramount importance to the ethos at Codexis. The people, the culture and working with others with a common goal is what makes Codexis a great place to work.

For more information, visit


Codexis is an equal opportunity employer & prohibits unlawful discrimination based on race, color, religion, gender, sexual orientation, gender identity/expression, national origin/ancestry, age, disability, marital & veteran status.


Codexis is a leading enzyme engineering company leveraging our proprietary CodeEvolver® technology platform to discover and develop novel, high performance enzymes for three healthcare industry pillars: pharmaceutical manufacturing, life sciences, and biotherapeutic discovery & development. The enzymes we produce aim to solve real-world challenges associated with small molecule pharmaceuticals manufacturing, nucleic acid synthesis and genomic sequencing, and - as biotherapeutic candidates - they have the potential to treat challenging diseases. To meet this goal, we look for individuals who are driven, eager to grow and ready to embrace meaningful challenges. We empower employees to be authentic, ambitious, agile and have the courage to take action where they can make a positive impact. Whether you are driven by science, or a different area of expertise, we need you to help us create a brighter future.  


Company info
200 Penobscot Drive
Redwood City, CA 94063

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