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Principal Scientist, Cancer Biology

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: General Proximity
Full Time position
Listed on 2026-01-28
Job specializations:
  • Research/Development
    Research Scientist, Drug Discovery
Salary/Wage Range or Industry Benchmark: 250000 USD Yearly USD 250000.00 YEAR
Job Description & How to Apply Below

General Proximity is a seed‑stage startup developing the next generation of induced‑proximity medicines. Our OmniTAC drug discovery engine furnishes molecules that co‑opt existing cellular machinery to overcome therapeutic challenges, which have remained unapproachable to other modalities for decades.

We are seeking a first‑rate cancer biologist to help us pioneer this uncharted frontier of drug discovery.

OUR STORY

A long‑standing challenge in drug discovery is the development of molecules capable of modulating difficult or "undruggable" targets. Disease‑causing proteins can be dysfunctional in many different ways, but our armamentarium for fixing them is quite limited. The most common mechanism of action for FDA‑approved drugs is inhibition, but there are many other possible perturbation types whose potential remains unrealized.

General Proximity is a seed‑stage drug discovery company developing a novel platform technology to solve this problem. We make bifunctional drugs that induce the modification of drug targets by existing cellular machinery (rather than through direct modulation by the drug, the classical approach).

Historically, the development of technologies that allow one to push new buttons in biology has been an incredibly fertile field for the discovery of new medicines, and our technology holds the same promise.

THE POSITION

We are seeking an experienced cancer biologist to help lead our Biology Team. In this position, you will help lead and manage our Biology Team and work closely with our Platform Team in the development of our core drug discovery technology.

Your responsibilities will include phenotypic assay development, establishing pre‑clinical in vitro/in vivo studies, performing mechanistic studies on lead drug molecules, spearheading forays into new oncology indications, and grant writing.

ABOUT YOU

High Agency. Initiative, independence, and self‑accountability are some of our most valued traits.

Enthusiastic. We love people who are excited about what they are doing and are actively working to build a high‑energy team.

Intensity and Grit. Early‑stage startups are hard. Drug discovery is doubly so. We are looking for candidates who have a demonstrated ability to stick with complex problems for the long haul, with a team that has your back along the way.

Prosocial. We are here to create life‑saving medicines for the patients who need it most. You should be, too.

QUALIFICATIONS & NICE-TO-HAVES
  • PhD in Cancer Biology, Cell Biology, or related field.
  • 5-7+ years of industry experience.
  • Deep understanding of small‑molecule drug discovery and its relationship to human disease.
  • Exceptional leadership, interpersonal, and communication skills, with a track record of managing high‑performing, multidisciplinary teams.
Strong experience with
  • Cellular and molecular biology, including cancer cell line work and associated assays, stable cell line generation (lentiviral and CRISPR‑based systems), co‑IP/pull‑down assays, RNA‑seq, global proteomics, flow cytometry, plasmid design/cloning etc.
  • Pre‑clinical characterization and mechanistic elucidation of small‑molecule drug candidates.
  • Mechanistic studies of cancer cell signaling and PTM analysis.
  • Phenotypic assay development for cancer drug discovery (low to high throughput).
  • Small molecule drug development campaigns (hit discovery, hit validation, dose‑response studies, SAR and MOA studies).
Proficiency in:
  • Managing a team of exceptional scientists and research associates.
  • Target/indication selection.
  • Animal models of cancer (GEMM, orthotopic, xenograft models), in vivo study design, and PK/PD interpretation.
  • Grant writing.
Nice to have:
  • Experience navigating IND‑enabling studies and working on teams that have successfully advanced research to the clinic.
  • Experience working at the interface of cancer biology and chemistry.
  • Familiarity or experience with PROTAC/next‑gen IPM technologies.
  • Experience with PPI techniques (e.g., BRET, APEX/BioID, Alpha Screen etc.).
BENEFITS
  • Strong equity incentives. We are looking for candidates who will bring a strong sense of ownership to drive their project areas forward, and we believe that you deserve to be compensated accordingly.
  • Top…
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