Senior/Principal Associate Scientist, Mammalian Physiology
Calico
South San Francisco, CA · Posted October 20, 2026
Just laid off? Start here: a plan for the first weeks
More in California job market · All Senior jobs (391) · Education & EdTech · Research jobs
More roles at Calico
Similar jobs
- Senior Statistical Scientist · University Of California San Francisco Foundation · San Francisco, CA
- Senior Scientist II, Recombinant Peptide Process Development · AbbVie · Irvine, CA
- Research Scientist, Applied Research · Chai Discovery · San Francisco, CA
- Research Scientist, Pre-training Research · Chai Discovery · San Francisco, CA
- Scientist - Scientist VI · General Atomics · San Diego, CA
- Senior Statistical Scientist · University of California, San Francisco · San Francisco, CA
Pay compared with the market
This listing does not state pay. Across 166 open senior listings that state pay, the middle half runs $180,000 to $260,000 and the median is $225,000.
Listed pay is what employers advertise, not what people are paid.
About the job
Who We Are:
Calico (Calico Life Sciences LLC) is an Alphabet-founded research and development company whose mission is to harness advanced technologies and model systems to increase our understanding of the biology that controls human aging. Calico will use that knowledge to devise interventions that enable people to lead longer and healthier lives. Calico’s highly innovative technology labs, its commitment to curiosity-driven discovery science and, with academic and industry partners, its vibrant drug-development pipeline, together create an inspiring and exciting place to catalyze and enable medical breakthroughs.
Position Description:
We are seeking a Senior/Principal Associate Scientist to join an interdisciplinary, collaborative team working at the intersection of mammalian stress response pathways and disease. The ideal candidate will be a skilled experimentalist with exceptional critical thinking skills, strong communication skills across cross-functional teams, and a strong history of productivity in fast-paced work environments. This person will be able to work both independently and collaboratively and will be detail-oriented, organized, adaptable and self-motivated.
Key Responsibilities:
Manage and coordinate in vivo studies, in collaboration with the Research Physiology team
Independently conduct smaller in vivo studies
Sample preparation and management and execution of downstream assays
Lead development and execution of primary cell culture assays
Effectively communicate experimental results and project progress in various forums such as lab meetings
Position Requirements:
BS/MS degree in physiology, biology, genetics, neuroscience or a related field, with 8+ years (BS) or 6+ years (MS) of extensive experience with in vivo mammalian model systems
Proficiency in mammalian in vivo experiments and primary cell isolation and culture; familiarity with complex co-culture systems and/or organoids preferred
Experienced in deploying biochemical, cellular and molecular assays, histology and immunofluorescence
Excellent written and oral communication skills and highly organized with ability to multi-task
Demonstrated ability to analyze and interpret complex data
Versatile experimentalist with a track record of learning new skills quickly
Skilled collaborator who is able to work closely with different teams to achieve project goals
Ability to independently plan, execute and analyze experiments to meet time-sensitive goals
Basic statistical skills required
Preference for prior experience working with data software such as Prism
Must be willing to work on site 5 days a week
The estimated base salary range for this role is $130,000 - $161,000. Actual pay will be based on a number of factors including experience and qualifications. This position is also eligible for two annual cash bonuses.