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Careers At Seres Therapeutics, Inc.

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Sr.Research Associate Microbial Cell Banking & Fermentation- Contract

Department: Microbiology
Location: Cambridge, MA

Why Seres Therapeutics

At Seres Therapeutics, we have a singular mission to transform the lives of patients by targeting the underlying cause of their diseases. We are pioneers and explorers, charting a new course. If you have a pioneering spirit, come join us as we spark the revolution to treat disease through the microbiome.

What’s Your Mission?

As a Senior Research Associate on the Research Cell Banking & Fermentation team in the Microbiology platform, you will contribute to building and characterizing a supply of microbes that serve as the building blocks for our new class of therapeutics. In close collaboration with colleagues in Bioprocess Development, you will contribute to expanding an industry-leading collection of anaerobic microbial strains derived from the human microbiome, in order to supply preclinical programs with prototype materials for evaluation as Ecobiotic® drug compositions.

What You’ll Do

  • Work as part of a dynamic team to grow and bank anaerobic microbial cultures and perform assays assessing cell bank quality
  • Develop and perform assays to identify and optimize growth and sporulation conditions for a diverse array of bacterial strains
  • Develop new and refine existing procedures to streamline cell banking processes, and ensure consistency and quality
  • Analyze experimental data rigorously and critically, resulting in well-supported conclusions
  • Maintain detailed records and effectively communicate procedures and results
  • Share responsibility with teammates for maintaining workspaces and equipment

What You’ll Bring

  • B.S. or M.S. in Microbiology or a related technical field plus 2-5 years industry experience in microbiology, fermentation, or other relevant area
  • Solid background in microbiology lab techniques and experience with diverse microorganisms
  • Ability to work as part of a highly functioning team in a dynamic environment
  • Demonstrated capacity for problem-solving, troubleshooting and process optimization
  • Excellent communication, organization, and time management skills, as well as a meticulous attention to detail
  • Working knowledge of office productivity software and the ability to quickly learn new programs

You May Also Bring

  • Anaerobic microbiology or anaerobic fermentation experience
  • Experience with flow cytometry, metabolite detection, or other phenotypic screening tools
  • Experience with laboratory information and/or sample management systems

Who We Are

Seres Therapeutics is a clinical stage biotherapeutic company focused on discovering and developing Ecobiotic™ therapeutic products, novel drugs to treat important diseases by targeting the underlying biology of the human microbiome. Founded by Flagship VentureLabs, Seres is pioneering the first therapeutics that catalyze a shift to health by augmenting the biology of the microbiome. Current candidates span infectious, metabolic, and inflammatory diseases. For more information, please visit

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