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Senior Scientist, Protein Expression
Msd
USA - California - South San Francisco (Grand Ave)Posted Jul 21, 2026 · 10h ago$131k – $207k
Full-time$131k – $207kSeniorOn-siteBiotech
About this role
Join our Protein Expression and Purification group as a Senior Scientist in South San Francisco. You will be instrumental in discovering novel therapeutics by designing and executing biologics and protein expression activities, primarily focusing on mammalian systems. This role requires deep expertise in recombinant biologics production, including monoclonal antibodies and novel protein modalities.
What we are looking for
6- Design, execute, and optimize recombinant protein expression workflows in mammalian systems
- Develop strategies to improve protein yield, quality, and scalability
- Contribute to DNA construct design, including vector design and cloning
- Collaborate with cross-functional teams to deliver high-quality biologics
- Evaluate and introduce new technologies to enhance protein expression platforms
- Troubleshoot complex expression challenges and propose innovative solutions
