Associate Scientist, LNP Formulations

Flagship Pioneering, Inc.•Cambridge, MA

17h•$96,000 - $126,500•Onsite

About The Position

We are seeking a motivated Associate Scientist to support the development, preparation, and characterization of Lipid Nanoparticle (LNP) formulations. This role is highly hands-on and focused on formulating, screening, and analyzing LNPs to support discovery and development programs. The ideal candidate works well in a fast-paced, team-oriented environment and is eager to deepen their expertise in formulation science.

Requirements

BS or MS in Chemistry, Biochemistry, Pharmaceutical Sciences, Chemical Engineering, or a related field and 8+ years of industry experience
Hands-on experience with LNP formulations or lipid-based delivery systems
Familiarity with LNP analytical techniques (e.g., DLS, encapsulation assays, basic stability studies)
Strong attention to detail and ability to follow experimental protocols
Ability to work effectively as part of a team in a fast-paced environment
Good written and verbal communication skills

Responsibilities

Prepare and formulate LNPs using established protocols and evolving methods
Execute formulation experiments to support optimization and screening efforts
Perform LNP characterization and analytics, including particle size, PDI, encapsulation efficiency, and stability testing
Accurately document experimental procedures, results, and observations in laboratory records
Analyze and summarize experimental data and communicate findings to project teams
Collaborate closely with scientists across formulation, analytics, and biology functions
Support routine laboratory operations, including reagent preparation, equipment upkeep, and inventory management