CareerPlan

Technical Development Principal Scientist, Mass Spectrometry Characterization Lead

South San Francisco, USFull-time$121k–$224k2026-11-05 → 2026-11-10
Based in United States

Core

Lead mass spectrometry (MS) characterization strategy and execution for biologic therapeutics from early development to commercialization, bridging strategic leadership with hands-on laboratory expertise.

Role type

Principal Scientist, Mass Spectrometry Characterization Lead

Builds

Biologic therapeutic modalities

Domain

Biopharmaceuticals / Analytical Chemistry

Required skills

LC-MS, protein characterization, multi-attribute method (MAM) development, critical quality attributes (CQAs) identification, post-translational modifications (PTMs) quantification, regulatory filing support, process development, team mentorship

Technologies

LC-MS, MAM

Responsibilities

Lead MS characterization strategy across development stages; Design and interpret complex LC-MS analyses; Develop phase-appropriate MS methods; Identify and quantify CQAs and PTMs; Support process development milestones; Author regulatory submission sections; Collaborate with multidisciplinary teams; Mentor scientific team members

Seniority

Principal, strategic leadership with hands-on execution