Job Description

Associate Director, Biostatistics

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.

RayzeBio, 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. RayzeBio is developing innovative drugs against targets of solid tumors. Led by a successful and experienced entrepreneurial team, RayzeBio aims to be the global leader in radiopharmaceuticals.

The Associate Director of Biostatistics at RayzeBio will play a crucial role in guiding the design, execution, and interpretation of statistical analyses for clinical trials, with the overarching goal of facilitating the successful development of innovative radiopharmaceutical therapies. This position requires not only a deep understanding of biostatistical methodologies but also the ability to provide strategic guidance and expert insights throughout the drug development process.

Job Responsibilities

• Serve as the lead biostatistician for clinical oncology projects, developing and executing statistical strategies, study designs, and analyses.
• Collaborate closely with multidisciplinary project teams to ensure timely communication and alignment of objectives.
• Identify and implement solutions to statistical and data analysis issues related to clinical trials and regulatory submissions.
• Author/own key statistical documents and outputs, including protocol statistical sections, SAPs, and TLF shells.
• Review study-related documents and review/validate vendor deliverables, including CDISC data specifications and TLF/analysis outputs.
• Work with internal programmers to support regulatory requests, DSUR/IB updates, and ad-hoc analyses as needed.
• Participate in the internal sponsor review of ongoing clinical data.
• Explore and pilot AI initiatives that enhance quality control and operational efficiency.
• Willing to travel approximately 10% of the time. Evening and weekend work will be involved.

Skills and Knowledge

• Excellent interpersonal and communication skills, with the ability to influence cross-functional stakeholders.
• Able to function in a highly regulated environment and to adhere to all RayzeBio guidelines and SOPs.
• Familiarity with statistical programming tools (e.g., SAS and/or R) and working knowledge of CDISC standards (SDTM/ADaM), with the ability to review and interpret key statistical outputs.
• Demonstrated ability to oversee vendors and ensure the quality, timeliness, and compliance of biometrics deliverables.
• Solid understanding of GCP, ICH guidelines, and regulatory requirements.
• Applies AI to improve team execution and decision-making

Basic Requirements

• Advanced degree in Statistics or Biostatistics (PhD or MS).
• 6+ years (PhD) or 8+ years (MS) of biostatistics experience in the pharmaceutical/biotech industry.
• Experience utilizing AI-enabled tools to improve productivity and work efficiency.

Preferred Requirements

• Prior experience in oncology clinical development.
• Prior experience with global regulatory submissions.

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 20 pounds. Specific vision abilities required by this job include close vision and distance vision.

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:

Remote - United States - US: $189,670 - $229,834

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

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: T he 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 adastaffingsupport@bms.com. 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:

Data Protection

We will never request

Job Tags

Hourly pay, Full time, Temporary work, Part time, For contractors, Summer work, Live in, Work at office, Immediate start, Remote work, Flexible hours, Weekend work, Afternoon shift

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