Flagship Pioneering

Senior Scientist, LNP Process and Development

Flagship Pioneering$100K — $143K *
Pharmaceuticals & Biotech
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • PhD in Chemical Engineering, Pharmaceutical Sciences, Bioengineering, or related field with at least 3 years of industry experience; M.S. with 8+ years; or Bachelor with 10+ years.
  • Strong background in process development and scale-up of nanoparticle or LNP systems.
  • Experience with nucleic acid formulations like mRNA and DNA is preferred.
  • Familiarity with formulation scale-up methods and characterization techniques such as DLS and encapsulation assays.
  • Proven ability to design experiments and analyze complex data effectively.
  • Excellent communication and teamwork skills.

Responsibilities

  • Support process development and optimization for LNP formulations, focusing on mixing, encapsulation, and reproducibility.
  • Design and conduct experiments to enhance LNP performance and manufacturability.
  • Collaborate with teams to characterize and evaluate LNP formulations.
  • Assist in technology transfer and scale-up with external partners and manufacturing teams.
  • Analyze data and maintain documentation while communicating outcomes to project teams.
  • Keep updated with advances in LNP technology and nucleic acid delivery methods.

Benefits

  • Opportunity to work at the forefront of LNP formulation innovation.
  • Collaborative, science-driven culture with impactful research.
  • Comprehensive healthcare coverage and annual incentive program.
  • Retirement benefits and a broad range of other perks.
Full Job Description
The role

We are seeking a highly motivated Scientist to support the development and scale-up of lipid nanoparticle (LNP) formulations for nucleic acid delivery. This role will focus on process optimization and scale-up of targeted LNPs encapsulating modified DNA and cofactor mRNA, while also contributing to research efforts aimed at improving LNP design and performance.

This is an ideal opportunity for a scientist with a strong background in process development who is interested in expanding into formulation development and early-stage R&D, including formulation screening and optimization of next-generation LNP systems.

The successful candidate will work collaboratively within cross-functional teams to advance LNP platform capabilities and support the development of scalable and robust nucleic acid delivery systems.

Key responsibilities
  • Support process development and optimization activities for LNP formulation and scale-up, including mixing parameters, encapsulation efficiency, and reproducibility.
  • Design and execute experiments to improve the performance and manufacturability of LNPs encapsulating modified DNA and mRNA.
  • Collaborate with internal and external teams to support characterization and evaluation of LNP formulations.
  • Assist with technology transfer and scale-up activities, including coordination with external partners or internal manufacturing teams.
  • Analyze and interpret experimental data, maintain accurate documentation, and communicate findings to project teams.
  • Stay current with advancements in LNP technologies and nucleic acid delivery approaches.

Professional experience and qualifications
  • PhD. in Chemical Engineering, Pharmaceutical Sciences, Bioengineering, or a related field, with 3+ years of relevant industry experience; M.S. with 8+ years of experience; or Bachelor with 10+ years of experience.
  • Strong background in process development, scale-up, or manufacturing of nanoparticle or LNP-based systems.
  • Experience working with nucleic acid formulations (e.g., mRNA, DNA) is highly preferred.
  • Familiarity with T mixing, or similar, formulation scale-up, and characterization techniques (e.g., DLS, encapsulation assays).
  • Demonstrated ability to design experiments, analyze data, and solve complex technical problems.
  • Strong communication and collaboration skills.

What We Offer
  • Opportunity to work at the forefront of LNP formulation innovation
  • Collaborative, science-driven culture with high impact research
  • Competitive compensation and benefits package


The salary range for this role is $100,000 - $143,000. Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience. Serif Biomedicines currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Serif Biomedicines's good faith estimate as of the date of publication and may be modified in the future.

About Flagship Pioneering

Flagship Pioneering is a life sciences innovation enterprise that conceives, creates, resources, and develops first-in-category life sciences companies. The firm operates through its Flagship Labs unit, which is a dedicated innovation foundry that invents and launches transformative companies. Flagship Pioneering has created over 100 scientific ventures, resulting in over $34 billion in aggregate value, 500+ issued patents, and more than 50 clinical trials for novel therapeutic agents. The firm's portfolio includes companies in the fields of therapeutics, health technologies, and sustainability. Flagship Pioneering was founded in 2000 and is headquartered in Cambridge, Massachusetts.
Learn more about Flagship Pioneering
Size
500 employees
Industry

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