About Preventive Medicine Preventive Medicine is an early‑stage biotechnology startup advancing next‑generation genomic medicines to tackle diseases at their origin. Backed by leading investors, we combine cutting‑edge editor engineering with innovative delivery technologies to create therapies that make a lasting impact on global health. About the role We are seeking an experienced contract specialist to support murine assisted reproductive technology workflows, with a focus on mouse IVF and related embryo handling. The ideal candidate has hands-on experience with mouse reproductive procedures, including embryo transfer. This role is best suited for a veterinary specialist, laboratory animal veterinarian, mouse embryologist, transgenic core technologist, or reproductive technologies specialist with demonstrated experience in murine microsurgery and embryo handling. Scope of Work The contractor will perform scheduled mouse embryo transfer procedures in accordance with approved institutional protocols, animal welfare requirements, and applicable IACUC/AAALAC standards. In particular, responsibilities include: • Performing murine embryo transfers into appropriate recipient sites, including oviduct transfer for cleavage-stage embryos and uterine transfer for blastocysts • Handling, assessing, and preparing mouse embryos for transfer in coordination with the research team • Supporting work with pseudopregnant recipients, donor/recipient scheduling, and procedure planning • Maintaining aseptic technique, appropriate surgical documentation, and post-op care/observation as required by institutional protocol • Collaborating with veterinary, animal care, and research staff to ensure animal welfare and study integrity • Advising on workflow, timing, equipment, documentation, and expected success metrics where relevant Required Experience • Demonstrated hands-on experience with murine embryo transfer and ability to transfer 2-cell, 4-cell, or 8-cell embryos into the oviduct and/or blastocysts into the uterus • Background in mouse IVF, embryo cryopreservation/recovery, rederivation, pronuclear injection, or transgenic/knockout mouse production • Experience with mouse microsurgery, reproductive biology, assisted reproduction, transgenic core work, or laboratory animal surgery • DVM/VMD, PhD, MS, LATG, RLATG, AALAS certification, ACLAM training, or equivalent experience • Experience training staff or advising teams on murine reproductive technology workflows • Familiarity with IACUC-approved animal procedures, aseptic technique, anesthesia/analgesia expectations, and humane endpoints • Strong documentation practice and ability to work within institutional animal care requirements Contract Details • Contract / consulting engagement • On-site work required for procedures • Schedule to be coordinated around embryo availability and recipient timing • Compensation commensurate with experience • Location: South San Francisco • Start date: One month from interview • Estimated duration: Two months subject to extension as needed