Scientist/Senior Scientist, Microbiology
fieldstonebio
Woburn, MA
Posted Jul 30, 2026
- Other
- Microbiology
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.*