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:
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/.
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 [email protected]. 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 [email protected]. 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, RadiochemistrySkills Required
- BS with 3 years radiochemistry experience or MS with 1+ years radiochemistry experience
- Hands-on experience with radiometal labeling and radiochemistry laboratory techniques
- Experience developing and executing radioanalytical methods using radio-HPLC and radio-TLC
- Experience with automated synthesis devices for radiotracer production
- Demonstrated radiation safety practices during radiosynthesis and radioanalytical operations
- Ability to work independently, troubleshoot experiments, and collaborate in cross-functional teams
- Strong professional ethics, integrity, and ability to maintain confidential information
Bristol Myers Squibb Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Bristol Myers Squibb and has not been reviewed or approved by Bristol Myers Squibb.
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Fair & Transparent Compensation — Pay is considered fair and competitive for the pharmaceutical sector, with many describing compensation as good or better than expected. Feedback suggests base pay combined with incentives contributes to overall satisfaction.
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Healthcare Strength — Health coverage is broad, combining medical, dental, vision, disability, and wellness programs, along with access to on‑site fitness. Feedback suggests employer contributions to health accounts and wellbeing incentives further strengthen perceived value.
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Retirement Support — Retirement savings are reinforced by a strong 401(k) match and additional plan options. This structure is commonly cited as a standout component of total rewards.
Bristol Myers Squibb Insights
What We Do
At Bristol Myers Squibb, we work every day to transform patients’ lives through science. That work inspires some of the most interesting, meaningful, and life-changing careers you’ll experience. Join us and pursue innovative ideas alongside some of the brightest minds in biopharma, collaborating with a team rich in diversity of experiences, and perspectives. We have built a sustainable pipeline of potential therapies and are leveraging translational medicine and data analytics to understand how we can deliver the right medicine to the right patient, at the right time, to achieve the best outcome. Whether in a scientific, business or supporting function, a career at BMS means you’ll be inspired every day to grow and thrive through opportunities that are uncommon in scale and scope. Here, you’ll be on the cutting edge of powerful innovation in oncology, hematology, immunology, cardiovascular disease, and fibrosis, with colleagues united in the mission to help patients. Through the Bristol Myers Squibb Foundation, we also promote health equity and seek to improve health outcomes of populations disproportionately affected by serious diseases and conditions. Our mission is to give new hope to help patients prevail over serious disease – it drives everything we do.
