BristolMyers Squibb

Senior Associate Scientist

BristolMyers Squibb$95K — $115K *
Pharmaceuticals & Biotech
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • BS or MS in Chemistry with a strong focus on synthetic organic and medicinal chemistry.
  • 3+ years of experience in a non-academic synthetic chemistry lab for BS candidates; 2+ years for MS candidates.
  • Strong small molecule synthesis skills and knowledge of lab techniques and safety; experience with peptide synthesis is a plus.
  • Proficient with synthesis techniques, purification, and characterization (LCMS, HPLC, NMR).
  • Familiar with scientific software such as ChemDraw and SciFinder.
  • Strong documentation and presentation skills, clear communication required.

Responsibilities

  • Execute multi-step synthetic routes and optimize reaction conditions.
  • Isolate and characterize organic compounds using chromatographic and spectroscopic techniques.
  • Collaborate effectively with multidisciplinary teams of scientists.
  • Document research activities and present findings clearly to peers.
  • Troubleshoot synthetic challenges and contribute to optimizing lead compounds.

Benefits

  • Comprehensive health coverage including medical, pharmacy, dental, and vision care.
  • Wellbeing support programs including employee assistance programs and wellbeing accounts.
  • Financial protections such as a 401(k) plan and various insurance options.
  • Flexible paid time off policies, including unlimited vacation days with manager approval and paid national holidays.
  • Additional time off options including sick leave, volunteer days, and a global shutdown between Christmas and New Year's.
Full Job Description
Senior Associate Scientist, Chemistry

Background

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

Summary

RayzeBio 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.

Job Responsibilities:
  • Essential duties and responsibilities include the following. Other duties may be assigned.
  • 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.


Education and Experience
  • 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.


Skills and Qualifications
  • 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 ChemDraw, 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


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 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.

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 - RayzeBio - 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 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.

About BristolMyers Squibb

BristolMyers Squibb Careers

Join the vibrant team at BristolMyers Squibb, a leader in global biopharmaceutical innovation, where your career growth is as important as the life-changing solutions we develop. At BristolMyers Squibb, we are committed to fostering a diverse and inclusive workplace that encourages professional growth and development. Work You’ll Do Embark on a career with BristolMyers Squibb and be part of a company that’s dedicated to discovering, developing, and delivering innovative medicines that help patients prevail over serious diseases. With us, you’ll contribute to a culture that embraces scientific innovation, responsible leadership, and community outreach. Explore job opportunities in various fields from research to marketing, and join a team that values leadership and diversity. Our commitment to career growth means we support your journey with extensive training programs, leadership development opportunities, and a global, diverse network of professionals. Innovative Work At BristolMyers Squibb, innovation is at the core of everything we do. From pioneering research in oncology to breakthroughs in immunology, our professionals have the opportunity to make significant contributions to the field and impact lives globally. Our collaborative environment encourages team members to challenge the status quo and bring forward ideas that pave the way for groundbreaking solutions. Be Part of a Great Team Working at BristolMyers Squibb means being part of a team that supports your aspirations and shares your values. Our culture thrives on teamwork, respect, and diversity, creating a workplace where everyone can achieve their potential. Enjoy the benefits of being part of a company that values work-life balance, provides competitive benefits, and fosters an environment where skills and leadership are developed through hands-on experience and comprehensive mentorship programs. Future-Proof Your Career With a multitude of job opportunities ranging from internships to full-time positions, BristolMyers Squibb is not just hiring; we’re building futures. We equip our employees with the tools needed for success, including advanced training in diverse skill sets, leadership programs, and opportunities for professional networking and growth. Stay Connected Join Our Team Search open positions that match your skills and interests. We are looking for passionate, curious, and innovative team players who are ready to make a difference. Explore our career portal for all current job listings and be sure to submit your resume. Keep Up to Date Stay informed with the latest company news, career tips, and industry insights from BristolMyers Squibb. Our careers blog is a resource for potential and current employees looking to maximize their career potential. Job Alert Emails Customize your subscription to receive job alerts and insider information tailored to your preferences. Discover the exciting and rewarding career opportunities that await at BristolMyers Squibb. At BristolMyers Squibb, your career is just the beginning – it’s a pathway to personal and professional fulfillment. Join us and make a global impact.
Learn more about BristolMyers Squibb
Size
32,200 employees
Market Cap
$156.3 billion
Industry
Net Income
-$9 billion
Founded
1887
5 Year Trend
+19%
Revenue
$42.5 billion
NASDAQ

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