Posted May 18, 2026
We are seeking a highly skilled and motivated Associate Scientist II (Contract) to join our Analytical Development team to support the characterization of drug substances, protein intermediates, and drug products using LC-MS and complementary analytical techniques The ideal candidate would be central to implementing mass spectrometry-based workflows, interpreting complex data, and collaborating cross-functionally to advance our vaccine programs. ### Essential Functions:
Prepare samples and perform analyses per SOPs, including detailed data interpretation. - Independently execute analytical assignments with accuracy and efficiency. - Implement LC-MS workflows for proteins, conjugates, and other in-process molecules. - Operate, maintain, and troubleshoot Orbitrap, qTOF, and triple quadrupole mass spectrometers. - Conduct rigorous data analysis, interpret results, and present findings in team meetings. - Partner cross-functionally to develop analytical strategies and support their needs. - Maintain accurate documentation in an electronic lab notebook system. ### Requirements:
BS in Chemistry, Analytical Chemistry, Biochemistry, or a related discipline, with minimum 2 years of relevant industry experience. MS without experience; or equivalent work experience. - Hands-on experience utilizing mass spectrometry platforms, including hybrid Orbitraps, qTOFs, and triple quadrupoles. - Familiar with peptide mapping, and intact protein analysis workflows. - Excellent organizational skills, attention to detail, and documentation expertise. - Strong scientific curiosity and problem-solving abilities. - Effective communication and collaboration within cross-functional environments. - Ability to rapidly learn analytical workflows and technologies. - Experience using electronic lab notebook (ELN) systems is a plus
Scientific creativity and curiosity for applying new technologies to complex analytical challenges. Reports to: Scientist II, Analytical Development
Location: San Carlos, CA
Expected Contract Length: 12 months
Hourly Range:$51/hr. - $56/hr.
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