Senior Scientist/Director - Oncology


Riboscience, LLC is a biotechnology company developing treatments for serious infectious diseases and cancer.  The Riboscience management team has a track record of success in the discovery and development of novel targets and drug candidates. Our goal is to apply ribose and protein modification technologies to the discovery of drugs that target proteins that are essential and unique to specific infectious pathogens or tumor cells.  Riboscience, LLC is headquartered in the San Francisco Bay Area with locations in Sunnyvale and Palo Alto.


Sunnyvale, CA

Reporting to:
Chief Scientific Officer or Vice President, Discovery Research

The Senior Scientist/Director, Oncology will be supporting the preclinical work related to the generation of drug candidates for cancer indications, which includes but is not limited to assessment of potency, selectivity, pharmacology and mechanism of action in vitro and in vivo, setting up cell based and in vivo models, managing in-house and external resources and writing research reports and publications.



MD or PhD in Oncology related field


  • Extensive knowledge in cell biology with hands-on expertise in at least one relevant area of cell transformation, tumor biology or drug mechanism of action determination.
  • Intense “can do” startup mentality and motivation.
  • Ability to work effectively in a multifunctional and multinational team.
  • Sound scientific judgment, strong technical troubleshooting skills and quality-driven
  • Excellent organizational, record keeping and communication skills.


  • Motivated team player with a demonstrated ability to work closely with other scientific disciplines involved in drug discovery to solve complex problems.
  • Strong academic track record, at least 3 years post PhD experience, drug discovery or development experience preferred.
  • Hands-on experience in developing and performing cell based assays and characterization of cellular functions, gene expression, proliferation, viability.
  • Track record of success in oncology target assessment and validation. 
  • Significant track record of accomplishment and writing impact as evidenced by lead authorship on publications.
  • Proficiency in Microsoft office suite and Prism data analysis software.

How to Apply

Please send a cover letter and a copy of your CV to