Scientist, Drug Product Analytical

newlimit· Delivery Sciences
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📍 South San Francisco

About this role

About NewLimit

NewLimit is a biotechnology company working to radically extend human healthspan. We’re developing medicines to treat age-related diseases by reprogramming the epigenome, a new therapeutic mechanism to restore regenerative potential in aged and diseased cells. We leverage functional genomics, pooled perturbation screening, and machine learning models to unravel the biology of epigenetic aging and disease using experiments of unprecedented scale.

Position

We are seeking a skilled and motivated Scientist to join our Delivery Sciences team. In this role, you will focus on building the analytical methods to characterize Lipid Nanoparticles (LNPs) to enable our nucleic acid delivery technologies and support the drug product development.

Expertise in developing and implementing analytical methods to characterize RNA drug substances and LNP drug products, with experience managing method qualification, validation, and tech-transfer processes.

 

What you'll do

In your role as a Scientist, you will:

  • Design and execute analytical methods to assess the identity, integrity and purity of RNA drug substances and LNP drug products and LNP-conjugates
  • Perform deep-dive analysis into mRNA integrity, identity, lipid content and identity analysis to support drug product stability studies
  • Work closely with the cross-functional teams to support RNA and LNP analysis for drug development from early discovery to GLP/GMP stages. Act as a technical expert for our CRO/CDMO partners on drug substance and drug product analytical method development, validation phases and PK/PD assay developments
  • Interpret data from various analytical assays, reports and prepare data packages
  • Author high-quality technical reports, SOPs, and validation protocols to support regulatory filings

Requirements

  • Ph.D. in Analytical Chemistry, Biochemistry, Pharmaceutical Sciences, or a related field with 1-3 years of industry experience with direct experience working with mRNA-LNP delivery systems
  • IP-RP LC-UV/FLR: Expertise in Ion-Pair Reversed-Phase Chromatography for determining RNA purity, integrity and content
  • LC-CAD: Expertise in method development for lipid purity, content and lipid adducts analysis.
  • Capillary Electrophoresis (CE): Experience developing RNA integrity analysis in both Drug Substance (DS) and LNP Drug Product (DP)
  • DLS/MALS/Cryo-TEM: Expertise in particle size, polydispersity and particle distribution analysis

Nice to have

  • Understanding of ICH guidelines regarding method qualification and validation ICH Q2 (R1) and Q14
  • Proven success in tech-transferring analytical methods to Contract Development and Manufacturing Organizations.
  • DoE, data visualization and statistical analysis (JMP, Python, R)

Benefits

NewLimit offers generous benefits to ensure our team can focus on our mission:

  • Health, dental, and vision insurance
  • 401(k) with company match
  • Paid parental leave
  • Industry-leading paid time off (PTO) — 20 days/year for all employees + holidays
  • Meals and snacks on-site

 

Salary Range: $130,000 to $170,000. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. NewLimit offers a competitive benefits package, which includes a 401k, healthcare coverage, and 20 days of PTO. Learn more at: https://www.newlimit.com/careers   *This compensation and benefits information is based on Company's good faith estimate as of the date of publication and may be modified in the future.

 

Frequently Asked Questions

Is the salary disclosed for the Scientist, Drug Product Analytical position at newlimit?
The salary for this Scientist, Drug Product Analytical role at newlimit is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Scientist, Drug Product Analytical position at newlimit located?
This Scientist, Drug Product Analytical role at newlimit is based in South San Francisco. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Scientist, Drug Product Analytical at newlimit belong to?
This Scientist, Drug Product Analytical position is part of the Delivery Sciences department at newlimit. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Scientist, Drug Product Analytical position at newlimit?
Click the "Apply Now" button on this page. You will be redirected to newlimit's official application portal hosted on greenhouse where you can submit your application directly.
When was the Scientist, Drug Product Analytical job at newlimit posted?
This Scientist, Drug Product Analytical position at newlimit was posted on May 1, 2026. Apply as soon as possible — early applications are often reviewed first.
Scientist, Drug Product Analytical
newlimit
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