Sr. Associate Scientist, Radiochemistry

Bristol Myers Squibb EU Policy; San Diego (CA); On-site; USD 96,000 - 116,000; Full time

Benefits offered by this job

Health Coverage

Wellbeing Support

Financial Well‑being

Job summary

RayzeBio is seeking a Sr. Associate Scientist, Radiochemistry in San Diego, CA to lead radiochemical research, radiolabeling, and quality testing for diagnostic and therapeutic isotopes.

Collaborate with interdisciplinary teams to advance RayzeBio’s radiopharmaceutical programs and strengthen safety and quality in lab operations. The role requires BS with 3 years of radiochemistry or MS with 1+ years, hands-on labeling experience, and proficiency with radiochemical analytical techniques like

Qualifications

• BS with 3 years of Radiochemistry or related scientific work experience or MS with 1+ years of Radiochemistry or related scientific work experience.
• Proper radiation safety practices during radiosynthesis and radiochemical operations in lab areas at all times.

Responsibilities

• Develop radiochemistry methods using radioisotopes (e.g., Lu-177, Ac-225, Cu-64, Ga-68) for radiolabeled peptides and small molecules.
• Characterize radiolabeled compounds using radio-HPLC and radio-TLC to assess purity and stability.
• Perform regular radiotracer syntheses on automated synthesis devices.
• Work independently and troubleshoot as needed.
• Present progress at meetings to advance programs.
• Maintain a clean and safe laboratory environment.

Skills

Radiochemistry

Radiometal labeling

Analytical methods

Cross-functional

Education

BS in Radiochemistry

MS in Radiochemistry

Tools

Radio-HPLC

Radio-TLC

Automated synthesis devices

Job description

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 - CA - US: $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, job‑related knowledge, and experience. Final, individual compensation will be decided based on demonstrated experience.

Eligibility for specific benefits listed on our careers site may vary based on the job and location. For more on benefits, please visit https://careers.bms.com/life-at-bms/.

Benefits

Benefit offerings are subject to the terms and conditions of the applicable plans in effect at the time and may require enrollment. Our benefits include:

• Health Coverage: Medical, pharmacy, dental, and vision care.
• Wellbeing Support: Programs such as BMS Well‑Being Account, BMS Living Life Better, and Employee Assistance Programs (EAP).
• Financial Well‑being and Protection: 401(k) plan, short‑and‑long‑term disability, life insurance, accident insurance, supplemental health insurance, business travel protection, personal liability protection, identity theft benefit, legal support, and survivor support.

Work‑life Benefits Include

Paid Time Off

• US Exempt Employees: flexible time off (unlimited, with manager approval, 11 paid national holidays (not applicable to employees in Phoenix, AZ, Puerto Rico or Rayzebio employees)
• Phoenix, AZ, Puerto Rico and Rayzebio Exempt, Non‑Exempt, Hourly Employees: 160 hours annual paid vacation for new hires with manager approval, 11 national holidays, and 3 optional holidays

Based on eligibility*, additional time off for employees may include unlimited paid sick time, up to 2 paid volunteer days per year, summer hours flexibility, leaves of absence for medical, personal, parental, caregiver, bereavement, and military needs and an annual Global Shutdown between Christmas and New Years Day.

All global employees full and part‑time who are actively employed at and paid directly by BMS at the end of the calendar year are eligible to take advantage of the Global Shutdown.

• Eligibility Disclosure: The summer hours program is for United States (U.S.) office‑based employees due to the unique nature of their work. Summer hours are generally not available for field sales and manufacturing operations and may also be limited for the capability centers. Employees in remote‑by‑design or lab‑based roles may be eligible for summer hours, depending on the nature of their work, and should discuss eligibility with their manager. Employees covered under a collective bargaining agreement should consult that document to determine if they are eligible. Contractors, leased workers and other service providers are not eligible to participate in the program.

RayzeBio and Bristol Myers Squibb

RayzeBio was acquired by Bristol Myers Squibb (BMS) in 2024 and is a wholly‑owned subsidiary of BMS; however, RayzeBio will continue to operate as a standalone organization.

Supporting People With Disabilities

BMS and RayzeBio are dedicated to ensuring that people with disabilities can excel through a transparent recruitment process, reasonable workplace accommodations/adjustments and ongoing support in their roles. Applicants can request a reasonable workplace accommodation/adjustment prior to accepting a job offer. If you require reasonable accommodations/adjustments in completing this application, or in any part of the recruitment process, direct your inquiries to [e-mail]. Visit careers.bms.com/eeo-accessibility to access our complete Equal Employment Opportunity statement.

Candidate Rights

BMS and RayzeBio will consider for employment qualified applicants with arrest and conviction records, pursuant to applicable laws in your area.

If you live in or expect to work from Los Angeles County if hired for this position, please visit this page for important additional information: https://careers.bms.com/california-residents/

Data Protection

We will never request payments, financial information, or social security numbers during our application or recruitment process. Learn more about protecting yourself at https://careers.bms.com/fraud-protection/.

Any data processed in connection with role applications will be treated in accordance with applicable data privacy policies and regulations.

If you believe that the job posting is missing information required by local law or incorrect in any way, please contact BMS at [e-mail]. Please provide the Job Title and Requisition number so we can review. Communications related to your application should not be sent to this email and you will not receive a response.

R1605079 : Sr. Associate Scientist, Radiochemistry