Embryology Research Scientist — IVF/Gene Editing

Preventive; San Francisco (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Preventive is seeking an experienced embryologist to advance our research evaluating the safety of gene-editing technologies in embryos. The role blends hands-on embryology with scientific judgment to troubleshoot experiments, interpret results, and improve laboratory methods in a preclinical setting.

The ideal candidate will coordinate weekly workflows, maintain rigorous records, and contribute to SOPs while working across species and research questions with a small, cross-functional team.

Qualifications

• Bachelor’s degree in biology or related field.
• At least two years of hands-on human embryology injection experience in a clinical IVF lab or similar setting.
• Proficiency in ICSI, oocyte/embryo culture, and vitrification/warming in at least one mammalian system.
• Ability to perform precise, consistent micromanipulation with aseptic techniques.
• Research or clinical‑research experience in reproductive and early developmental biology.
• Strong organizational and documentation skills with accurate specimen tracking.

Responsibilities

• Coordinate and execute embryology experiments with weekly workflows.
• Perform IVF procedures including media prep, oocyte handling, maturation assessment, sperm prep, IVF, ICSI, and embryo culture.
• Cryopreserve and recover oocytes/embryos with vitrification and warming.
• Assess developmental outcomes and document morphology/quality.
• Troubleshoot methods and improve workflows with team collaboration.
• Maintain complete experimental records and communicate findings and proposed next steps.
• Contribute to SOPs, method qualification, and training of colleagues.

Skills

Embryology

IVF lab experience

Micromanipulation

Documentation

Education

Bachelor's degree in Biology

Tools

ICSI equipment

Cryopreservation equipment

Embryology imaging tools

Job description

Preventive is seeking an experienced embryologist to advance our research evaluating the safety of gene-editing technologies in embryos. The role blends hands-on embryology with scientific judgment to troubleshoot experiments, interpret results, and improve laboratory methods in a preclinical setting.

The ideal candidate will coordinate weekly workflows, maintain rigorous records, and contribute to SOPs while working across species and research questions with a small, cross-functional team.