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Principal Scientist - Oligonucleotide Design and Chemistry

South San Francisco💼 Full-time💰 $143,200–$143,200🗓 2026-08-10 → 2026-09-26

Core

Lead the design, synthesis, purification, and characterization of novel oligonucleotide modalities (ASOs, siRNAs, saRNAs) for drug discovery programs.

Role type

Principal Scientist (Group Leader), hands-on IC with mentorship

Builds

Novel oligonucleotide therapeutics for Genentech's nucleic-acid based medicines portfolio

Domain

Biopharma / Oligonucleotide Chemistry

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Oligonucleotide chemistry, siRNA therapeutics, ASO therapeutics, chemical synthesis, purification, analytical characterization, backbone modifications, delivery technologies, lab instrumentation management, scientific mentoring, cross-functional collaboration

Preferred skills

Bioconjugation, linker discovery, bioconjugation optimization

Responsibilities

Lead design and synthesis of novel oligonucleotides; mentor junior scientists in synthesis and analytics; partner with biology/biochemistry teams on assay design and data interpretation; communicate scientific progress to stakeholders; manage laboratory instrumentation and operations

Seniority

Principal, technical leader & mentor

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