Senior Scientist Microbiology

Boston MA /
Microbial Engineering /
Joyn Bio is a joint venture between Bayer and Ginkgo Bioworks dedicated to addressing unmet needs in agriculture by applying synthetic biology to engineer microbes.


    • Joyn Bio is looking for a Senior Scientist Microbiologist who will be the Team Lead for Gram Positive Organisms and contribute to the characterization, engineering and screening of R&D processes aimed at improving Gram positive microorganisms for large scale commercial agriculture applications.


    • Ideate, design and execute experiments to characterize growth, domesticate and screen various Gram positive organisms. 
    • Work closely with the Head of Microbial Engineering and Program Directors to develop a strain engineering strategy that is aligned with defined objectives and drive the technical strategy on a day-to-day basis.
    • Innovate and advance methods for increasing efficiency of Gram positive bacteria engineering and screening through development and implementation of HTP technologies to enhance Joyn Bio platforms and capabilities.
    • Collaborate with the Microbial Engineering, Plant Microbe Interaction, Bioprocessing Formulation and Downstream Processing, Digital Sciences and Technology and Regulatory teams to develop commercially relevant processes. 
    • Draft and manage Technical Project Plans in collaboration with research partners and CROs. 
    • Support the Business Development and Alliance departments by identifying, evaluating and implementing new platform and technology strategies. 
    • Manage and mentor a team of 3-5 scientists with varying levels of experience.


    • PhD with 5+ years (or MS with 8+ years) of industrial experience in microbiology, microbial physiology, molecular biology and/or related fields is required for consideration.
    • Extensive experience with culturing and domesticating Gram positive bacteria with an emphasis on Bacillus species and sporulation is necessary.
    • Proven track record and passion for developing and building HTP screening platforms.
    • Must be a detail oriented, highly organized, and collaborative self-starter with excellent interpersonal, communication and presentation skills.
    • Supervisory and project management experience necessary.


    • Will report into the Head of Microbial Engineering.
    • Lead a team of scientists and research associates.
    • Sometime dedicated to working at the bench is necessary.


    • This position will be based at our Boston, Massachusetts site, and will require minimal travel.