Associate Scientist

Actalent • Tarrytown, NY, United States • Posted June 24, 2026

Location Tarrytown, NY
Job Type Full-time
Category other-general
Posted June 24, 2026
Associate Scientist – Mass Spectrometry (LC-MS)

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This Associate Scientist role offers the opportunity to work in an innovative mass spectrometry laboratory, executing LC-MS methods to characterize biotherapeutic products across all stages of drug development, from early-stage candidate selection through late-stage regulatory submissions. You will perform routine and advanced analytical tasks to support a diverse R&D pipeline, focusing on protein and modality characterization, and will collaborate closely with cross-functional teams to solve complex drug development challenges.
Responsibilities

+ Execute established LC-MS-based analytical protocols to characterize biotherapeutic products, including monoclonal antibodies, bispecific antibodies, Fc-fusion proteins, adeno-associated virus (AAV), siRNA, and other emerging modalities.

+ Perform detailed LC...

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