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Working with Us Challenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthroughs in cell therapy, this is work that transforms the lives of patients, and the careers of those who do it. You’ll get the chance to grow and thrive through opportunities uncommon in scale and scope, alongside high-achieving teams. Take your career farther than you thought possible.Bristol Myers Squibb recognizes the importance of balance and flexibility in our work environment. We offer a wide variety of competitive benefits, services and programs that provide our employees with the resources to pursue their goals, both at work and in their personal lives. Read more: careers.bms.com/working-with-us.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.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 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<ul><li>Essential duties and responsibilities include the following.&nbsp; Other duties may be assigned.</li><li>Develop methods and conduct experiments to radiolabel peptides, small molecules and/or antibodies using various isotopes </li><li>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</li><li>Develop methods and recipes and perform regular syntheses of radiotracers on automated synthesis devices</li><li>Develop methods and conduct in vitro assays (e.g. plasma stability and metabolite analysis) with radiolabeled compounds </li><li>Collaborate with interdisciplinary teams of discovery scientists and researchers as well as external partners (such as CROs) to address complex scientific questions and pursue collaborative research projects</li><li>Analyze experimental data, interpret results, and draw conclusions based on scientific principles. Document findings in technical reports and presentations for internal review and meetings</li><li>Present at meetings to provide timely input to progress the programs forward</li><li>Maintain a clean and safe working environment</li></ul>Education and Experience<ul><li>A Ph.D or Master’s degree in radiochemistry, chemistry, nuclear chemistry or related field</li><li>A minimum of 3 years of experience in radiochemistry field</li><li>Demonstrated experience in radiochemistry synthesis, purification, and quality control instruments such as HPLC, TLC and gamma counter</li><li>Proper radiation safety practices during radiosynthesis, radioanalytical chemistry operations, and within the lab areas at all times.</li><li>Ability to work both collaboratively and independently in a fast-paced and cross-functional environment with evolving priorities</li></ul>Skills<ul><li>Hands on experience working with diagnostic radioisotopes (F-18, Ga-68, Cu-64, Zr-89) and therapeutic radioisotopes (Lu-177, Ac-225, Tb-161, Pb-212)</li><li>Experience working with automated synthesis modules</li><li>Highly motivated and organized professional with the ability to work both with a team and independently</li><li>Multi-disciplined scientist with ability to troubleshoot</li><li>Excellent professional ethics, integrity, and ability to maintain confidential information</li></ul>Physical DemandsWhile performing the duties of this&nbsp;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&nbsp;job&nbsp;include&nbsp;close vision and distance vision.&nbsp;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&nbsp;EnvironmentThe noise level in the&nbsp;work&nbsp;environment is usually moderate.#RayzeBioIf 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: $128,812 - $156,089&amp;#xa;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.&nbsp; Eligibility for specific benefits listed on our careers site may vary based on the job and location. For more on benefits, please visit <a href="https://careers.bms.com/life-at-bms/" target="_blank">https://careers.bms.com/life-at-bms/</a>. Benefit offerings are subject to the terms and conditions of the applicable plans then in effect and may include the following: Medical, pharmacy, dental and vision care. Wellbeing support such as the BMS Living Life Better program and employee assistance programs (EAP). Financial well-being resources and a 401(K). Financial protection benefits such as short- and long-term disability, life insurance, supplemental health insurance, business travel protection and survivor support. Work-life programs include paid national holidays and optional holidays, Global Shutdown Days between Christmas and New Year’s holiday, up to 120 hours of paid vacation, up to two (2) paid days to volunteer, sick time off, and summer hours flexibility. Parental, caregiver, bereavement, and military leave. Family care services such as adoption and surrogacy reimbursement, fertility/infertility benefits, support for traveling mothers, and child, elder and pet care resources. Other perks like tuition reimbursement and a recognition program.Uniquely Interesting Work, Life-changing Careers With a single vision as inspiring as “Transforming patients’ lives through science™ ”, every BMS employee plays an integral role in work that goes far beyond ordinary. Each of us is empowered to apply our individual talents and unique perspectives in a supportive culture, promoting global participation in clinical trials, while our shared values of passion, innovation, urgency, accountability, inclusion and integrity bring out the highest potential of each of our colleagues.On-site ProtocolBMS has an occupancy structure that determines where an employee is required to conduct their work. This structure includes site-essential, site-by-design, field-based and remote-by-design jobs. The occupancy type that you are assigned is determined by the nature and responsibilities of your role:Site-essential roles require 100% of shifts onsite at your assigned facility. Site-by-design roles may be eligible for a hybrid work model with at least 50% onsite at your assigned facility. For these roles, onsite presence is considered an essential job function and is critical to collaboration, innovation, productivity, and a positive Company culture. For field-based and remote-by-design roles the ability to physically travel to visit customers, patients or business partners and to attend meetings on behalf of BMS as directed is an essential job function.BMS is 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 <a href="mailto:adastaffingsupport@bms.com" target="_blank">adastaffingsupport@bms.com</a>. Visit careers.bms.com/eeo-accessibility to access our complete Equal Employment Opportunity statement.BMS cares about your well-being and the well-being of our staff, customers, patients, and communities. As a result, the Company strongly recommends that all employees be fully vaccinated for Covid-19 and keep up to date with Covid-19 boosters.BMS 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:&nbsp;<a href="https://careers.bms.com/california-residents/" target="_blank">https://careers.bms.com/california-residents/</a>Any data processed in connection with role applications will be treated in accordance with applicable data privacy policies and regulations.

Bristol Myers Squibb

Scientist, Radiochemistry

Working with Us Challenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthroughs in cell therapy, this is work that transforms the lives of patients, and the careers of those who do it. You’ll get the chance to grow and thrive through opportunities uncommon in scale and scope, alongside high-achieving teams. Take your career farther than you thought possible.Bristol Myers Squibb recognizes the importance of balance and flexibility in our work environment. We offer a wide variety of competitive benefits, services and programs that provide our employees with the resources to pursue their goals, both at work and in their personal lives. Read more: careers.bms.com/working-with-us.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 Principal Scientist, Medical Physicist, will be responsible for applying their expertise in radiopharmaceutical (RPT)-specific modeling to the research and development of new drugs and therapies. Their focus will be on radiopharmaceutical dose modelling and analyzing data from in vitro and vivo studies as well as clinical diagnostic and therapeutic studies. The candidate will be responsible for leading translational dosimetry analysis such as physiologically based pharmacokinetics or compartmentalization modelling. The candidate will also provide technical support including dosimetry calculations and work in collaboration with internal stakeholders as well as external vendors and experts.&nbsp;Job ResponsibilitiesEssential duties and responsibilities include the following. Other duties may be assigned.<ul><li>Work closely with Radiation Biophysics/Medical Physics to support all aspects of internal dosimetry analysis in discovery and development of radiopharmaceutical imaging and therapeutic agents.</li><li>Work closely with Discovery to design experiments and perform dosimetric data analysis from imaging modalities like PET (positron emission tomography) and SPECT (single-photon emission computed tomography) to assess drug uptake and distribution,</li><li>Identify and advise best practices and standardization processes for image data quality control in preclinical research, aligned with current guidance in literature.</li><li>Analyze preclinical and clinical imaging data to advance the translation of animal-to-human dose projection.</li><li>Explore new technologies and modelling approaches to improve the development of radiopharmaceuticals, such as novel radioisotopes including alpha-emitters.</li><li>Contribute to the advancement of medical physics knowledge in the field of radiopharmaceuticals.</li><li>Provide technical support, training and problem-solving solutions to cross-functional teams as needed.</li></ul>Education and Experience<ul><li>Advanced degree in Medical Physics or Engineering (PhD preferred) with didactic training in RPT biodistribution, kinetics and dose modelling.</li><li>Minimum of 6 years of experience in molecular imaging and RPT dose modelling research, or 3 years of extensive RPT-specific publications (10+).</li><li>Experience with radiopharmaceuticals as therapeutics in oncology and experience with alpha-emitters strongly desired</li></ul>Skills and Qualification<ul><li>Subject Matter Expert in mathematical pharmacokinetic modeling and its application in radiopharmaceutical research and development.</li><li>Technical skills with dosimetry software, coding and simulation/modeling/statistical tools (e.g. 3D-RD-S, MIM, MIRDcalc, OLINDA, Torch, GATE, SIMIND, SAAM II, SimBiology, Python, Matlab, R, SPSS, ITK-snap, 3D slicer, Elastix, etc.)</li><li>Demonstrated ability to communicate clearly and think creatively when problem-solving on multidisciplinary projects.</li><li>Proven track record for coordinating and aligning cross-functional stakeholders to deliver on corporate timeline in a team environment.</li><li>Excellent communications skills and ability to present and discuss imaging and dosimetry topics clearly and concisely, including with scientific experts globally.</li><li>Demonstrated ability to organize, prioritize, and work effectively with minimal supervision in a constantly changing environment.</li></ul><ul><li>Recognized leadership skills, professional ethics, integrity, and ability to maintain confidential information.</li><li>Willingness to travel when needed (10-15%), including conference attendance which may involve evening and weekend work.</li><li>Current knowledge of global dosimetry guidelines and passion for pioneering alpha-emitting radiotherapeutics a plus.</li></ul>Physical DemandsWhile 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 50 pounds. Specific vision abilities required by this job include close vision and distance vision.#RayzeBioIf 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: $163,788 - $198,473&amp;#xa;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.&nbsp; Eligibility for specific benefits listed on our careers site may vary based on the job and location. For more on benefits, please visit <a href="https://careers.bms.com/life-at-bms/" target="_blank">https://careers.bms.com/life-at-bms/</a>. Benefit offerings are subject to the terms and conditions of the applicable plans then in effect and may include the following: Medical, pharmacy, dental and vision care. Wellbeing support such as the BMS Living Life Better program and employee assistance programs (EAP). Financial well-being resources and a 401(K). Financial protection benefits such as short- and long-term disability, life insurance, supplemental health insurance, business travel protection and survivor support. Work-life programs include paid national holidays and optional holidays, Global Shutdown Days between Christmas and New Year’s holiday, up to 120 hours of paid vacation, up to two (2) paid days to volunteer, sick time off, and summer hours flexibility. Parental, caregiver, bereavement, and military leave. Family care services such as adoption and surrogacy reimbursement, fertility/infertility benefits, support for traveling mothers, and child, elder and pet care resources. Other perks like tuition reimbursement and a recognition program.Uniquely Interesting Work, Life-changing Careers With a single vision as inspiring as “Transforming patients’ lives through science™ ”, every BMS employee plays an integral role in work that goes far beyond ordinary. Each of us is empowered to apply our individual talents and unique perspectives in a supportive culture, promoting global participation in clinical trials, while our shared values of passion, innovation, urgency, accountability, inclusion and integrity bring out the highest potential of each of our colleagues.On-site ProtocolBMS has an occupancy structure that determines where an employee is required to conduct their work. This structure includes site-essential, site-by-design, field-based and remote-by-design jobs. The occupancy type that you are assigned is determined by the nature and responsibilities of your role:Site-essential roles require 100% of shifts onsite at your assigned facility. Site-by-design roles may be eligible for a hybrid work model with at least 50% onsite at your assigned facility. For these roles, onsite presence is considered an essential job function and is critical to collaboration, innovation, productivity, and a positive Company culture. For field-based and remote-by-design roles the ability to physically travel to visit customers, patients or business partners and to attend meetings on behalf of BMS as directed is an essential job function.BMS is 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 <a href="mailto:adastaffingsupport@bms.com" target="_blank">adastaffingsupport@bms.com</a>. Visit careers.bms.com/eeo-accessibility to access our complete Equal Employment Opportunity statement.BMS cares about your well-being and the well-being of our staff, customers, patients, and communities. As a result, the Company strongly recommends that all employees be fully vaccinated for Covid-19 and keep up to date with Covid-19 boosters.BMS 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:&nbsp;<a href="https://careers.bms.com/california-residents/" target="_blank">https://careers.bms.com/california-residents/</a>Any data processed in connection with role applications will be treated in accordance with applicable data privacy policies and regulations.

Principal Scientist, Medical Physicist

Working with Us Challenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthroughs in cell therapy, this is work that transforms the lives of patients, and the careers of those who do it. You’ll get the chance to grow and thrive through opportunities uncommon in scale and scope, alongside high-achieving teams. Take your career farther than you thought possible.Bristol Myers Squibb recognizes the importance of balance and flexibility in our work environment. We offer a wide variety of competitive benefits, services and programs that provide our employees with the resources to pursue their goals, both at work and in their personal lives. Read more: careers.bms.com/working-with-us.BackgroundRayzeBio is a dynamic biotechnology company headquartered in San Diego, CA. Launched in late 2020 and recently acquired by Bristol Myers Squibb (BMS) as a wholly owned subsidiary, RayzeBio focuses on improving survival for people with cancer by harnessing the power of targeted radioisotopes. The company operates as a standalone entity within BMS, maintaining its biotech culture while leveraging best-in-class oncology capabilities. RayzeBio is developing innovative drugs targeting solid tumors, with its lead asset, RYZ101, in Phase 3 testing for gastroenteropancreatic neuroendocrine tumors (GEP-NETs) and earlier-stage testing for small cell lung cancer (SCLC). The company is led by a successful, experienced entrepreneurial team and aims to be the global leader in radiopharmaceuticals.Job DescriptionThis laboratory-based role offers an exciting opportunity to advance novel radiopharmaceutical therapies from bench to bedside. The Senior Associate Scientist will participate in discovery and translational research by conducting in vivo experiments and managing vivarium duties, including experiment design, execution, tissue collection, and data analysis. The role also includes in vitro mechanistic studies and cross-functional collaboration with teams in translational research, medicinal chemistry, and other scientific disciplines. The successful candidate will receive mentorship from senior scientists and must adhere strictly to radiation safety protocols.Key Responsibilities<ul><li>Design and execute in vivo studies using CDX, PDX, and syngeneic mouse models to evaluate tumor growth kinetics, biodistribution, therapeutic efficacy, and durability of response across various treatment modalities, including radiopharmaceutical agents.</li><li>Perform essential in vivo procedures: cell culture, tumor cell and PDX fragment implantation, sampling, dosing (IV, SC, IP, PO), tumor and body weight monitoring, and necropsy.</li><li>Analyze and interpret experimental data independently; present findings at project team meetings, departmental reviews, and company-wide forums.</li><li>Conduct in vitro experiments (e.g., cell viability, cytotoxicity, proliferation, apoptosis, DNA damage response, pathway interrogation) using molecular biology techniques.</li><li>Work with radioactive materials in strict compliance with institutional and federal radiation safety protocols.</li><li>Support laboratory operations, including inventory management, equipment maintenance, and ensure strict compliance with company policies, GLP, IACUC, and animal welfare guidelines, including accurate documentation in laboratory notebooks and electronic records.</li><li>Collaborate effectively within the immediate team and cross-functionally to advance program objectives.</li><li>Demonstrate initiative and technical expertise in troubleshooting experimental issues and ensuring accurate data analysis.</li><li>May involve working outside standard business hours, including weekends, holidays, and early mornings, to support critical in vivo studies and project deadlines.</li></ul>Education and Experience<ul><li>B.Sc. with 4–5+ years of experience or M.Sc. with 2–3+ years of experience in Biology, Pharmacology, Translational Research, Molecular Biology, or a related discipline.</li><li>Prior hands-on experience in pre-clinical drug discovery programs (industrial or academic settings) is preferred.</li><li>Prior experience working with radioactive materials is strongly preferred.</li></ul>Skills<ul><li>Technical proficiency in rodent handling (immune-compromised and -competent mice), aseptic procedures, and lab animal research.</li><li>Ability to perform IV compound administration and SC engraftment is mandatory.</li><li>Hands-on experience with cell-based assays, molecular biology techniques (ELISA, western blot, qPCR, immunohistochemistry), and related protocols.</li><li>Working knowledge of MS 365 and GraphPad Prism.</li><li>Strong work ethic, self-motivation, adaptability, and organizational skills.</li><li>Ability to work in a fast-paced, dynamic, and collaborative environment.</li><li>Excellent written, oral communication, and presentation skills.</li><li>Experience with in vivo imaging modalities is a plus.</li><li>Familiarity with the drug development process and interdisciplinary teamwork.</li></ul>Physical Demands &amp; Work Environment<ul><li>Regularly required to sit, reach with hands and arms, and communicate effectively.</li><li>Must occasionally lift and/or move up to 30–50 pounds.</li><li>Specific vision abilities required: close vision and distance vision.</li><li>Laboratory and vivarium environment with radioactive and biohazard materials; protective clothing, gloves, and safety glasses are mandatory at all times.</li><li>Noise level is typically moderate.</li></ul>#RayzeBioIf 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&amp;#xa;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.&nbsp; Eligibility for specific benefits listed on our careers site may vary based on the job and location. For more on benefits, please visit <a href="https://careers.bms.com/life-at-bms/" target="_blank">https://careers.bms.com/life-at-bms/</a>. Benefit offerings are subject to the terms and conditions of the applicable plans then in effect and may include the following: Medical, pharmacy, dental and vision care. Wellbeing support such as the BMS Living Life Better program and employee assistance programs (EAP). Financial well-being resources and a 401(K). Financial protection benefits such as short- and long-term disability, life insurance, supplemental health insurance, business travel protection and survivor support. Work-life programs include paid national holidays and optional holidays, Global Shutdown Days between Christmas and New Year’s holiday, up to 120 hours of paid vacation, up to two (2) paid days to volunteer, sick time off, and summer hours flexibility. Parental, caregiver, bereavement, and military leave. Family care services such as adoption and surrogacy reimbursement, fertility/infertility benefits, support for traveling mothers, and child, elder and pet care resources. Other perks like tuition reimbursement and a recognition program.Uniquely Interesting Work, Life-changing Careers With a single vision as inspiring as “Transforming patients’ lives through science™ ”, every BMS employee plays an integral role in work that goes far beyond ordinary. Each of us is empowered to apply our individual talents and unique perspectives in a supportive culture, promoting global participation in clinical trials, while our shared values of passion, innovation, urgency, accountability, inclusion and integrity bring out the highest potential of each of our colleagues.On-site ProtocolBMS has an occupancy structure that determines where an employee is required to conduct their work. This structure includes site-essential, site-by-design, field-based and remote-by-design jobs. The occupancy type that you are assigned is determined by the nature and responsibilities of your role:Site-essential roles require 100% of shifts onsite at your assigned facility. Site-by-design roles may be eligible for a hybrid work model with at least 50% onsite at your assigned facility. For these roles, onsite presence is considered an essential job function and is critical to collaboration, innovation, productivity, and a positive Company culture. For field-based and remote-by-design roles the ability to physically travel to visit customers, patients or business partners and to attend meetings on behalf of BMS as directed is an essential job function.BMS is 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 <a href="mailto:adastaffingsupport@bms.com" target="_blank">adastaffingsupport@bms.com</a>. Visit careers.bms.com/eeo-accessibility to access our complete Equal Employment Opportunity statement.BMS cares about your well-being and the well-being of our staff, customers, patients, and communities. As a result, the Company strongly recommends that all employees be fully vaccinated for Covid-19 and keep up to date with Covid-19 boosters.BMS 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:&nbsp;<a href="https://careers.bms.com/california-residents/" target="_blank">https://careers.bms.com/california-residents/</a>Any data processed in connection with role applications will be treated in accordance with applicable data privacy policies and regulations.

Senior Associate Scientist, Pharmacology

Working with Us Challenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthroughs in cell therapy, this is work that transforms the lives of patients, and the careers of those who do it. You’ll get the chance to grow and thrive through opportunities uncommon in scale and scope, alongside high-achieving teams. Take your career farther than you thought possible.Bristol Myers Squibb recognizes the importance of balance and flexibility in our work environment. We offer a wide variety of competitive benefits, services and programs that provide our employees with the resources to pursue their goals, both at work and in their personal lives. Read more: careers.bms.com/working-with-us.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 Sr. Scientist, Radiopharmaceutical Development is a leading contributor in the design, development, and advancement of RayzeBio’s radiopharmaceutical programs. This senior role is responsible for driving innovative research in novel isotope and chelator development, translating cutting-edge scientific discoveries into robust clinical drug products. The Sr. Scientist will lead CMC radiopharmaceutical process development, oversee IND-enabling activities, and play a pivotal role in clinical manufacturing. This position demands expertise in radiochemical synthesis, analytical techniques, and radiopharmaceutical formulation, as well as a proven ability to manage complex projects and mentor junior staff.Job ResponsibilitiesEssential duties and responsibilities include the following. Other duties may be assigned.<ul><li>Process Development &amp; Scale-Up:&nbsp;Drive CMC process development and optimization for clinical drug products, including formulation lock and robust process definition, ensuring scalability and compliance with regulatory standards.</li><li>Technology Transfer:&nbsp;Lead the transfer of advanced radiopharmaceutical processes and technologies to internal and external manufacturing sites, including the Indianapolis facility and CDMO partners.</li><li>Laboratory Oversight:&nbsp;Oversee the development, operation, and maintenance of radiochemistry laboratory infrastructure, ensuring readiness for translational activities from preclinical through clinical phases.</li><li>Collaboration:&nbsp;Foster collaborative relationships with discovery scientists, external academic partners, and CDMOs to address complex scientific questions and pursue joint research efforts.</li><li>Lead Research Initiatives:&nbsp;Independently design and execute advanced radiochemistry and radiolabeling experiments, with a special focus on novel radioisotope and chelator development to enable new classes of radiopharmaceuticals.</li><li>Technical Leadership:&nbsp;Serve as a subject matter expert in radiopharmaceutical production processes, quality control, and advanced analytical methodologies. Provide scientific leadership across multidisciplinary teams.</li><li>Innovation in Isotope and Chelator Chemistry:&nbsp;Direct research into the identification, synthesis, and characterization of novel isotopes and chelators to enhance therapeutic and diagnostic radiopharmaceutical properties.</li><li>Safety &amp; Compliance:&nbsp;Ensure strict adherence to radiation safety protocols, federal and state regulations, and internal guidelines for handling radioactive materials; promote a culture of safety-first and regulatory compliance.</li><li>Data Analysis &amp; Reporting:&nbsp;Interpret complex experimental data, draw scientifically rigorous conclusions, and communicate findings in technical reports, regulatory documentation, and presentations for internal and external stakeholders.</li><li>Project Management &amp; Mentorship:&nbsp;Manage and prioritize research projects, oversee third-party vendors, and mentor junior scientists and associates.</li><li>Documentation:&nbsp;Draft and review CMC sections for regulatory submissions, SOPs, and comprehensive development reports.</li><li>Travel:&nbsp;Less than 10% travel required, including external research sites and manufacturing facilities.</li></ul>Education and Experience<ul><li>BSc +7 years, MSc + 5 years or PhD +3 years in Chemistry, Radiochemistry, Pharmaceutical Sciences, or related field with relevant industry experience, including significant work with radioactive materials, novel isotopes, and chelator chemistry.</li><li>Demonstrated expertise in radiochemical synthesis, purification, formulation, and analytical techniques.</li><li>Proven track record of innovation in radiopharmaceutical development, including novel isotope and chelator research.</li><li>Deep familiarity with federal and state regulatory requirements and safety protocols for radioactive materials.</li></ul>Skills and Qualifications<ul><li>Advanced experience developing stable radiopharmaceutical formulations with targeted attributes such as extended shelf-life, radiochemical purity, and enhanced bio-distribution.</li><li>Hands-on expertise with commercial and custom radiopharmaceutical manufacturing and analytical equipment systems, including automation platforms, radioHPLC, radioTLC, gamma counters, dose calibrators, hot cell manipulators, and advanced gamma spectroscopy.</li><li>Extensive experience with a broad spectrum of radioactive materials for both diagnostic and therapeutic applications.</li><li>Strong professional ethics, integrity, and ability to maintain confidential information.</li><li>Outstanding written and verbal communication skills, with the ability to influence and communicate effectively across all levels, including executive leadership.</li><li>Proactive, innovative thinker who thrives in a fast-paced, multi-disciplinary industrial environment.</li><li>Demonstrated ability to manage complex research projects and mentor junior staff.</li></ul>Physical DemandsWhile performing duties, the employee is regularly required to sit, reach with hands and arms, and talk or hear. Occasional lifting and/or moving up to 30 pounds may be required. Specific vision abilities include close and distance vision. Lab work requires use of protective clothing, gloves, and safety glasses.Laboratory environment with moderate noise levels; strict adherence to safety protocols for working with radioactive materials is required.#RayzeBioIf 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: $131,028 - $158,775&amp;#xa;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.&nbsp; Eligibility for specific benefits listed on our careers site may vary based on the job and location. For more on benefits, please visit <a href="https://careers.bms.com/life-at-bms/" target="_blank">https://careers.bms.com/life-at-bms/</a>. Benefit offerings are subject to the terms and conditions of the applicable plans then in effect and may include the following: Medical, pharmacy, dental and vision care. Wellbeing support such as the BMS Living Life Better program and employee assistance programs (EAP). Financial well-being resources and a 401(K). Financial protection benefits such as short- and long-term disability, life insurance, supplemental health insurance, business travel protection and survivor support. Work-life programs include paid national holidays and optional holidays, Global Shutdown Days between Christmas and New Year’s holiday, up to 120 hours of paid vacation, up to two (2) paid days to volunteer, sick time off, and summer hours flexibility. Parental, caregiver, bereavement, and military leave. Family care services such as adoption and surrogacy reimbursement, fertility/infertility benefits, support for traveling mothers, and child, elder and pet care resources. Other perks like tuition reimbursement and a recognition program.Uniquely Interesting Work, Life-changing Careers With a single vision as inspiring as “Transforming patients’ lives through science™ ”, every BMS employee plays an integral role in work that goes far beyond ordinary. Each of us is empowered to apply our individual talents and unique perspectives in a supportive culture, promoting global participation in clinical trials, while our shared values of passion, innovation, urgency, accountability, inclusion and integrity bring out the highest potential of each of our colleagues.On-site ProtocolBMS has an occupancy structure that determines where an employee is required to conduct their work. This structure includes site-essential, site-by-design, field-based and remote-by-design jobs. The occupancy type that you are assigned is determined by the nature and responsibilities of your role:Site-essential roles require 100% of shifts onsite at your assigned facility. Site-by-design roles may be eligible for a hybrid work model with at least 50% onsite at your assigned facility. For these roles, onsite presence is considered an essential job function and is critical to collaboration, innovation, productivity, and a positive Company culture. For field-based and remote-by-design roles the ability to physically travel to visit customers, patients or business partners and to attend meetings on behalf of BMS as directed is an essential job function.BMS is 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 <a href="mailto:adastaffingsupport@bms.com" target="_blank">adastaffingsupport@bms.com</a>. Visit careers.bms.com/eeo-accessibility to access our complete Equal Employment Opportunity statement.BMS cares about your well-being and the well-being of our staff, customers, patients, and communities. As a result, the Company strongly recommends that all employees be fully vaccinated for Covid-19 and keep up to date with Covid-19 boosters.BMS 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:&nbsp;<a href="https://careers.bms.com/california-residents/" target="_blank">https://careers.bms.com/california-residents/</a>Any data processed in connection with role applications will be treated in accordance with applicable data privacy policies and regulations.

5 Natural and Environmental Sciences Jobs in San Diego County