Senior Associate Scientist

Senior Associate Scientist, Chemistry

Rayze Bio, a Bristol Myers Squibb company, is a dynamic biotechnology company headquartered in San Diego, CA. The company is focused on improving survival of people with cancer by harnessing the power of targeted radioisotopes. Rayze Bio is developing innovative drugs against targets of solid tumors. Led by a successful and experienced entrepreneurial team, Rayze Bio aims to be the global leader in radiopharmaceuticals.

Rayze Bio is looking for a Senior Associate Scientist, to support in the development of novel therapeutics in preclinical stages. Candidates will work as part of a team of scientists to synthesize and design both small molecules and peptide analogs to optimize potency, pharmacokinetics, and in vivo efficacy of potential drug candidates. This position offers a challenging and rewarding work environment within a thriving company.

• Executing multi-step synthetic routes, optimizing reaction conditions, isolation, and characterization of organic compounds (chromatography, NMR, MS, IR spectroscopy).
• Collaborating effectively with colleagues across diverse disciplines.
• Documenting research activities and presenting findings clearly.
• Execute experimental plans, troubleshoot synthetic challenges and contribute to the optimization of lead compounds.

• BS or MS in Chemistry with strong demonstrable expertise in synthetic organic and medicinal chemistry.
• 3+ years experience (BS) 2+ years (MS) in a non-academic synthetic chemistry laboratory.

• Strong small molecule synthetic skills and knowledge of laboratory techniques and safety, with experience synthesizing peptides a plus.
• Proficiency in compound synthesis techniques, reactions, compound purification, troubleshooting and characterization using methods such as LCMS, HPLC and NMR.
• Familiarity with scientific software such as Chem Draw, Scifinder, and Reaxys.
• Adaptable and flexible, able to handle multiple demands and shifting priorities.
• Self-motivated with good interpersonal skills and ability to work effectively in a fast-paced, collaborative environment.
• Adept in documenting and presenting findings clearly through laboratory notebook, reports, and presentations.
• Uses AI tools to enhance individual productivity and quality of work

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 40 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.

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.

San Diego - Rayze Bio - 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, 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

• 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.

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…