Associate Scientist/Scientist (LNP Process Development)

Commonwealth Sciences, Inc.; Boston (MA); On-site; USD 90,000 - 130,000; Full time

Job summary

Commonwealth Sciences, Inc. is seeking an Associate Scientist/ Scientist to drive LNP process development for preclinical programs.

You will independently plan and execute lab studies, optimize LNP formulations and scale-up, and collaborate with internal and external partners to ensure timely data generation and delivery. The role requires strong hands-on experience with nanoparticle characterization, robust experimental design, and clear technical communication to cross-functional teams;

Qualifications

• BS/MS/PhD in Bioengineering, Chem Eng, Chemistry, Materials Science, Biochemistry, Biology or related with 3+ years industry lab experience.
• Hands-on experience in LNP, liposome or polymeric nanoparticle formulation and process development.
• Experience with nanoparticle characterization and analytical methods.
• Strong experimental design, data analysis, troubleshooting and documentation.

Responsibilities

• Independently plan, conduct, analyze, and troubleshoot lab studies with sound scientific judgment.
• Develop and optimize LNP formulations and process scale-up for preclinical research.
• Evaluate LNP quality attributes including encapsulation, size, PDI, zeta potential, ligand attachment, and related parameters.
• Prepare, characterize, and monitor LNP materials to support internal programs and cross-functional studies.
• Contribute to analytical method development and qualification for CQAs of drug substances/products.
• Collaborate with internal scientists and external partners to support in vitro/in vivo LNP studies and data delivery.
• Communicate results and conclusions through technical presentations to cross-functional teams and leadership.
• Support technology transfers to external CDMOs/CROs and preparation of regulatory documentation.

Skills

Experimental design

Data analysis

Troubleshooting

Project planning

Mentorship

Education

BS/MS/PhD in Biology/Engineering or related field

Tools

RiboGreen

DLS

PALS

SEC

IP-RP LC

Flow NanoAnalyzer

BCA/microBCA

Job description

Associate Scientist/Scientist (LNP Process Development)

Responsibilities:

• Independently plan, conduct, analyze, and troubleshoot laboratory studies, using sound scientific judgment to drive projects forward.
• Develop and optimize LNP and targeted LNP formulation and synthesis methods for preclinical research, including both small-scale batches and process scale-up.
• Evaluate LNP quality attributes including mRNA encapsulation and integrity, particle size and PDI, zeta potential, ligand attachment, free ligand, lipid content, pH, osmolality, and related parameters.
• Prepare, characterize, and monitor LNP and targeted LNP materials to support internal research programs and cross-functional studies.
• Contribute to the development and qualification of analytical methods used to establish critical quality attributes for drug substances and drug products.
• Partner with internal scientists and external collaborators to support in vitro and in vivo LNP studies, ensuring materials are delivered on schedule and accompanied by appropriate characterization data.
• Communicate experimental results and scientific conclusions through technical presentations to cross-functional teams and senior leadership.
• Support technology, process, and analytical method transfers to external CDMOs and CROs.
• Prepare, review, and maintain ROPs, technical documentation, and reports supporting regulatory submissions.
• Identify experimental or process challenges and work collaboratively to develop practical solutions.
• Provide technical support, guidance, and mentorship to less experienced scientists.
• Maintain accurate experimental records, results, and supporting documentation in an electronic laboratory notebook.

Requirements:

• BS, MS, or PhD in Bioengineering, Chemical Engineering, Chemistry, Materials Science, Biochemistry, Biology, or a related scientific discipline, with 3+ years of relevant industry laboratory experience.
• Demonstrated hands-on experience in LNP, liposome, polymeric nanoparticle, or related formulation and/or process development.
• Practical experience with nanoparticle characterization and analytical techniques such as RiboGreen, DLS, PALS, SEC, IP-RP LC, LC-CAD, Flow NanoAnalyzer, BCA/microBCA, pH, osmolality/freezing point depression, LAL, sterility, and related methods.
• Experience manufacturing lipid nanoparticles and supporting process scale-up is highly preferred, including familiarity with microfluidic mixing, tangential flow filtration (TFF), or comparable technologies.
• Strong experimental design, data analysis, troubleshooting, organization, and project-planning skills.