Sr. Scientist, Materials Science

Job Description

The Materials & Biophysical Characterization (MBC) group within Pharmaceutical Analysis & Digital Technologies is seeking a highly motivated and technically focused individual interested in positively impacting our Company's pipeline from discovery through development and commercial launch.

The Pharmaceutical Materials Scientist will be a key member of a team responsible for the physicochemical characterization of pharmaceutical materials including small molecule active pharmaceutical ingredients (API), chemical intermediates, peptides, novel excipients, drug-product intermediates, and drug products. The candidate will utilize their expertise in physical organic chemistry or materials science to tackle scientific challenges related to crystallization, polymorph and salt‑selection, drug‑excipient compatibility, characterization of amorphous solid dispersions, and physical stability of API and drug products.

Additional expectations include building a strong network internally and across the external academic and regulatory community, and advancing a culture of scientific excellence, a compliance mindset, and collaboration with partners and stakeholders across our Company's network such as Discovery Chemistry, Process & Analytical Chemistry, Chemical Engineering, and Formulations Sciences.

Bachelor's or Master's degree in Materials Science and Engineering, Chemistry, Chemical Engineering, Pharmaceutical Sciences, or related discipline, with a minimum of five (5) years relevant industrial experience (non‑academic). OR PhD in Materials Science and Engineering, Chemistry, Chemical Engineering, Pharmaceutical Sciences, or related discipline.

• Expertise in materials science or physical chemistry with experience in materials characterization techniques such as X‑ray diffraction, thermal analysis, electron microscopy, vibrational spectroscopy, particle size analysis, or powder property characterization.
• Strong academic record including publications in peer‑reviewed journals and presentations at scientific meetings.
• Self‑motivated, creative and energetic scientist willing to continually learn and solve complex problems.
• Strong written and verbal communications.

• Active pharmaceutical ingredient (API) polymorph screening and crystallization.
• Amorphous solid dispersion characterization.
• Modified release dosage forms.
• Automation and data science.
• Late‑stage product development and regulatory documentation / filing.

• Analytical Chemistry
• Analytical Method Development
• Assay Development
• Bioanalytical Analysis
• Biochemical Assays
• Cell‑Based Assays
• Chemical Engineering
• Chemical Technology
• Chromatographic Techniques
• Crystallizations
• GMP Environments
• Nuclear Magnetic Resonance (NMR) Analysis
• Process Analytical Technology (PAT)
• Ultra Performance Liquid Chromatography (UPLC)

The salary range for this role is $ - $, based on education, qualifications, certifications, experience, location, and business needs. The successful candidate will be eligible for annual bonus and long‑term incentive, if applicable.

We offer a comprehensive package of benefits including medical, dental, vision, other insurance benefits (for employee and family), retirement benefits including 401(k), paid holidays, vacation, and compassionate and sick days. More information about benefits is available at

As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics. As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities.

For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit EEOC Know Your Rights EEOC GINA Supplement.

This position is located in San Francisco and in the United States and Puerto Rico. Applicants are expected to demonstrate compliance with local legal requirements including the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring. The job posting is open until July
10,2026.