Browse jobs › Carlsbad, CA › Protein Scientist, Assistant Director or Associate Director
Protein Scientist, Assistant Director or Associate Director
Ionis · Carlsbad, CA · Posted Jul 2, 2026
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We are seeking a highly motivated protein scientist for an Assistant Director or Associate Director role to lead and advance protein discovery and production efforts supporting protein-oligonucleotide conjugate programs. This role will focus on adapting ligands emerging from primary screens into robust, scalable protein fusion formats suitable for downstream characterization, development, and larger-scale production. The successful candidate will bring deep expertise in protein engineering, molecular design, and recombinant protein production across both microbial and mammalian expression systems.