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Principal Scientist, Oligonucleotide (PMO, ASO) Development

Waltham, MA💼 Full-time💰 $159,000–$159,000🗓 2026-08-27 → 2026-09-25

Core

Lead chemical synthesis strategy for PMO and modified ASO payload molecules, managing execution internally and across CDMOs to support preclinical process, analytical development, and GMP manufacture for IND-enabling studies.

Role type

Principal Scientist, Oligonucleotide Development (Process Chemistry & CMC)

Builds

Preclinical assets and clinical supply for oligonucleotide therapeutics

Domain

Biotechnology / Gene Therapy / Oligonucleotide Chemistry

Deliverable

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

Required skills

Oligonucleotide synthesis and purification, Process chemistry development, Analytical development and impurity control, CDMO management and technology transfer, Regulatory CMC documentation (Module 3), GMP compliance

Preferred skills

Advanced degree in relevant field, Clinical-stage biotech R&D experience, Strategic problem solving in shifting priorities

Technologies

PMO, ASO, Bioconjugation platforms

Responsibilities

Design and optimize scalable manufacturing processes for PMO/ASO payloads, Define analytical strategies for impurity control and physicochemical characterization, Lead technology transfer to external CDMOs, Author and review regulatory Module 3 sections for IND/IMPD filings, Review and approve cGMP documentation (MBRs, Campaign Reports), Create technical source documents and presentations

Seniority

Principal, hands-on IC with strategic oversight

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