Our mission is to detect cancer early, when it can be cured. We are working to change the trajectory of cancer mortality and bring stakeholders together to adopt innovative, safe, and effective technologies that can transform cancer care.

We are a healthcare company, pioneering new technologies to advance early cancer detection. We have built a multi-disciplinary organization of scientists, engineers, and physicians and we are using the power of next-generation sequencing (NGS), population-scale clinical studies, and state-of-the-art computer science and data science to overcome one of medicine’s greatest challenges.

GRAIL is headquartered in the bay area of California, with locations in Washington, D.C., North Carolina, and the United Kingdom. It is supported by leading global investors and pharmaceutical, technology, and healthcare companies.

For more information, please visit grail.com

GRAIL is seeking a Senior Associate Scientist to join our Assay Research group in R&D. This role will support assay research efforts through independent design and execution of molecular biology workflows supporting Grail’s mission to develop best in class Multi Cancer Early Detection tests. This role is well suited for an experienced bench scientist who is comfortable working with minimal supervision, can quickly learn new protocols, and enjoys hands-on laboratory work in a collaborative research environment.

You will work on-site full-time at our office located in Menlo Park, California. Beginning in Fall 2026, you will work at our new headquarters in Sunnyvale, California. While this role is primarily hands-on at the lab bench, there may be opportunities to work remotely when performing activities that can be executed outside the lab. You will work with your leader to determine schedule.