Sr. Associate Scientist, Radiochemistry
Bristol-Myers Squibb
- Location
- San Diego - RayzeBio - CA
- Work model
- On-Site
- Level
- Entry
- Salary
- $95.5k – $115.7k/yr
- H-1B history
- 57 approvals (FY2023)
- Posted
- Aug 12, 2026
About this role
At RayzeBio, every day is an opportunity to ignite meaningful change. As a wholly-owned subsidiary of Bristol Myers Squibb, RayzeBio blends the nimble, pioneering spirit of an emergent biotech with the global expertise and resources of a leading innovator in oncology. Our mission is to develop transformative radiopharmaceutical therapies that offer new hope for patients living with cancer. Here, you’ll join a multidisciplinary team where your ideas are valued, your expertise is amplified, and collaboration is at the heart of everything we do. From day one, expect to make an immediate impact—on our science, on our teams, and most importantly, on patients. Learn more about RayzeBio: https://careers.bms.com/rayzebio/ Sr. Associate Scientist, Radiochemistry Summary This position will be responsible for conducting research, experiments, and analysis in the field of radiochemistry. This role involves radiolabeling of diagnostic and therapeutic radioisotopes of peptides, small molecules, and/or antibodies as well as quality testing for in vitro and in vivo work. The Sr. Associate Scientist will work in laboratory settings, collaborating with interdisciplinary teams to advance scientific knowledge and contribute to the advancement of all RayzeBio’s internal programs.
Job Responsibilities
Essential duties and responsibilities include the following. Other duties may be assigned. Develop radiochemistry methods using radioisotopes such as Lu-177, Ac-225, Cu-64, and Ga-68 (not all-inclusive) for the preparation of radiolabeled peptides and small molecules. Develop and execute methods for the characterization of radiolabeled compounds, using techniques such as radio-HPLC and radio-TLC chromatography to analyze purity and stability of the radiolabeled compounds Develop methods and recipes and perform regular syntheses of radiotracers on automated synthesis devices Demonstrate ability to work independently and troubleshoot Present at meetings to provide timely input to progress the programs forward Maintain a clean and safe working environment Education and Experience BS with 3 years of experience in Radiochemistry or other related scientific work experience or MS with 1+ years of experience in Radiochemistry or other related scientific work experience Proper radiation safety practices during radiosynthesis, radioanalytical chemistry operations, and within the lab areas at all times.
Skills
Hands on experience with radiometal labeling and analytical methods development in a radiochemistry laboratory setting Ability to work both collaboratively and independently in a fast-paced and cross-functional environment with evolving priorities Excellent professional ethics, integrity, and ability to maintain confidential information Physical Demands While performing the duties of this job, the employee is regularly required to sit, reach with hands and arms, and talk or hear. The employee must occasionally lift and/or move up to 60 pounds. Specific vision abilities required by this job include close vision and distance vision. This is a position that requires working in a laboratory environment, protective clothing, gloves, and safety glasses are required while working in a laboratory environment with radioactive materials .
Work Environment
The noise level in the work environment is usually moderate. If you come across a role that intrigues you but doesn’t perfectly line up with your resume, we encourage you to apply anyway. You could be one step away from work that will transform your life and career.
Compensation
Overview: San Diego - RayzeBio - CA: $95,505 - $115,730
 The starting compensation range(s) for this role are listed above for a full-time employee (FTE) basis. Additional incentive cash and stock opportunities (based on eligibility) may be available. The starting pay rate takes into account characteristics of the job, such as required skills, where the job is performed, the employee’s work schedule,