Medra
Scientist, Cell Biology & Antibody Engineering
$140K–$175K
San Francisco · On-site · Full-time · Posted Apr 30, 2026
- Experience
- 2+ years of industry experience with a Ph.D., or 6+ years of deep, hands-on industry experience with a B.S./M.S.
- Education
- Ph.D. in cell biology, immunology, biochemistry, or a related discipline; alternatively, a B.S./M.S.
About the job
Develop and execute antibody screening and characterization assays, then translate validated laboratory workflows into autonomous execution on Medra’s Physical AI platform.
What you'll do
- Design, run, and interpret antibody screening, cell-based functional, biophysical, and developability assays.
- Maintain mammalian cell lines and build laboratory capabilities, including qualifying instruments and preparing validated workflows.
- Partner with roboticists and software engineers to automate assays; document and communicate results.
What they ask for
- Ph.D. in cell biology, immunology, biochemistry, or related discipline with 2+ years of industry experience, or B.S./M.S. with 6+ years of deep, hands-on industry experience.
- Strong mammalian cell culture and sterile technique experience.
- Deep hands-on flow cytometry expertise, including high-throughput formats and panel design.
- Demonstrated experience designing and executing cell-based functional assays for antibody characterization.
Nice to have
- Experience screening antibodies against challenging target classes or working with alternative binder formats.
- Experience with lab automation and liquid handling platforms, antibody expression and purification, or developing and qualifying new assays.
Pay
$140K – $175K (base salary)
Tools
flow cytometry, SPR, BLI, DSF/DSC, HPLC-SEC, HPLC-HIC, ELN, Expi293
AI focus
Contribute to translating manual assay workflows into reliable, high-throughput autonomous protocols on the Physical AI platform.
Model-written summary · the original posting is authoritative