CareerPlan

Senior Director, RNAi Discovery

South San Francisco, CAFull-time$290k–$320k2026-11-05 → 2026-11-11
Hybrid

Core

Lead the end-to-end siRNA discovery engine, from bioinformatic library design and off-target assessment through chemistry optimization, in vitro screening, and scale-up for in vivo evaluation.

Role type

Senior Director, RNAi Discovery (Hands-on scientific leadership)

Builds

siRNA discovery platform and development candidates for RNAi therapeutics

Domain

Biotechnology / RNAi therapeutics / Oligonucleotide chemistry

Required skills

siRNA library design, off-target analysis, siRNA chemistry optimization, in vitro assay development, in vivo PK/PD study design, CMC translation, data analysis (Python/R), team leadership

Preferred skills

Building a discovery platform from the ground up

Technologies

Python, R

Responsibilities

Define and execute siRNA discovery strategy from target nomination to candidate selection; Lead bioinformatic design of siRNA libraries and off-target analysis; Manage external vendors for library generation; Lead chemistry optimization of hits for potency and safety; Build and lead the in vitro screening organization; Establish the hit-to-lead cascade; Scale up lead siRNAs and coordinate in vivo PK/PD studies; Provide technical knowledge to CMC partners for manufacturing scalability.

Seniority

Senior Director, hands-on scientific leadership