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Research Associate II - Downstream

Pivot Bio

Pivot Bio

St. Louis, MO, USA
USD 64k-80k / year + Equity
Posted on Sep 18, 2025

About Pivot Bio:

Fueled by an innovative drive and a deep understanding of microbiology, genomics, crop nutrition and agriculture, Pivot Bio is pioneering game-changing advances in fertilizer technology. Our first commercial product harnesses the power of naturally-occurring microbes, modern gene editing and application technologies to provide nitrogen to crops. We are dedicated to providing new solutions for farmers to improve yield as they work to help feed the world’s growing population. Read/Hear more about Pivot Bio on Forbes or PBS News Hour.

We are looking for a Research Associate II who thrives in a fast-paced industry research lab environment and is motivated by Pivot Bio’s mission to provide microbial-based solutions for nitrogen delivery to crops. The successful candidate should be willing to learn and support innovation, while maintaining excellent laboratory practices.

Reporting to the formulation scientist, downstream, the candidate will be responsible for supporting the downstream processes development intended to increase product quality and shelf-life, and improve nitrogen-use efficiency in selected crops. Prior experience with drying technologies including freeze drying and spray drying is a plus. The candidate should have a strong foundation in chemistry, a working knowledge of microbiology, an eye for detail, skill with troubleshooting laboratory equipment, and excellent verbal and written communication skills. Familiarity with fermentation systems, laboratory automation, and LIMS systems are a plus.

Key Responsibilities:

  • Working in a fermentation and downstream laboratory setting with minimal supervision
  • Handling end of fermentation samples for live cells separation and drying
  • Operate and maintain lab-scale processing equipment, including cell separation, freeze-dryer and spray-dryer systems
  • Plate and count microbes using aseptic technique, automated dilution and counting methods
  • Collect, enter, and analyze downstream data in LIMS systems
  • Attend and present data in R&D meetings

Required Education & Experience

  • Bachelor of Science degree in life sciences, food science, biological systems engineering, biochemical engineering, or related field or equivalent experience
  • Minimum of 2 years of experience in a fast-paced industry fermentation and downstream lab environment
  • Excellent communication skills and ability to work independently, ask good questions, and recognize anomalies
  • Attention to detail, skilled in making observations and documenting anomalies
  • Can-do attitude, strong problem solving and troubleshooting skills
  • Open mind for learning and contributing across fermentation and downstream process development

Must Be Authorized to Work in the United States

What We Offer:

  • Competitive package in a disruptive startup
  • Stock options
  • Health/Dental/Vision insurance with employer-paid premiums
  • Life, Short-Term and Long-Term Disability policies
  • Employee Assistance Program with free referrals and discounts
  • 401(k) plan, 3% Match
  • Commuter benefits
  • Annual Training & Development support
  • Flexible vacation policy with a generous holiday schedule
  • Exciting opportunity to work with a talented and fun team

#LI-Onsite

All remote positions and those not located in our Berkeley facility are paid based on National Benchmark data. Following employment, growth beyond the hiring range is possible based on performance.

Hiring Compensation Range
$64,000$80,000 USD