# Scientist/Senior Scientist, Microbiology - Company: [Fieldstonebio]() - Location: Woburn, MA - Team: Microbiology - Posted: July 30, 2026 ## Job description ### **About the company** Fieldstone Bio is an early-stage synthetic biology company focused on environmental monitoring. [Our technology, which originated at MIT,](https://techcrunch.com/2025/05/15/fieldstone-bio-is-building-microbes-that-can-sense-everything-from-tnt-to-arsenic/) combines microbiology, synthetic biology, artificial intelligence, and advanced imagery to solve key challenges in mining, pollution surveillance, and national security. ### **Position summary** Fieldstone Bio is looking for a highly motivated Microbiologist to join our growing team, where they will test the diverse functions of our engineered microbial-based biosensors. The successful candidate will independently contribute to the development and implementation of different assays intended to discern functional output of a variety of engineered model and non-model microorganisms. This is a hands-on, lab-based role that will work collaboratively with the company’s Synthetic Biology team and AI Data team. This role provides a unique opportunity to impact the development of research strategies at an early-stage biotechnology company. #### **Key Responsibilities:** * Design, develop, and execute cell-based assays to screen for the function of engineered microbial strains * Lead development and innovation of novel strategies for assessing microbial function in non-traditional environments * Drive decision-making experiments regarding microbial chassis deployment in application-relevant environments * Collaborate with Synthetic Biology Team to assess lead engineered candidates in application-relevant conditions * Ensure timely delivery of goals for set milestones * Document processes, results, and entity registration in an Electronic Lab Notebook (ELN) system #### **Qualifications:** * Ph.D. (or equivalent) in Microbiology, Bioengineering, Molecular Biology, or a related field * 1+ years’ of experience with assessment of engineered microorganisms, with prior industry experience strongly preferred * Prior hands-on experience working with engineered microorganisms is required, with non-model and soil-associated microbe experience preferred * Experience with microbial characterization * Assay development for microorganisms in non-model environments * Strong analytical and problem-solving skills and outside-of-the-box thinking * Ability to work independently and manage multiple tasks simultaneously * Excellent verbal and written communication * Versatile and flexible scientist who thrives in a fast-paced and collaborative lab environment *Fieldstone Bio is committed to building a diverse and inclusive environment. All applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status or disability.* ## Apply [Apply on Fieldstonebio]() Canonical job page: