Research Intern - LNP Formulation - Onsite - Marlborough, MA

Hands on position starting mid to end February, 2026 for six months and potentially up to 12 months.



Location: Onsite - Marlborough, MA

Based at our Marlborough site, in this Research Intern role, you will serve as critical contributor to the development and integration of Sartorius’ emerging technologies for formulation and characterization of Lipid Nanoparticles. These leading-edge platforms will be utilized in basic research as well as the pharmaceutical and biotechnology industries.  



As a Research Intern (Lipid Nanoparticle), you will contribute to the full product development cycle-from concept to prototype-and collaborate closely with engineers and scientists in a multidisciplinary environment.

What you will accomplish together with us:

• Establish, execute, and maintain protocols for the preparation and
  characterization of lipid nanoparticle (LNP) formulations encapsulating
  nucleic acid cargo using automated LNP synthesis platforms.
• Design and conduct DOE-driven formulation and process optimization
  studies to improve LNP quality attributes, including particle size, stability,
  encapsulation efficiency, and biological performance.
• Perform in vitro assays to assess transfection efficiency and delivery of
  nucleic acids using formulated LNPs in mammalian cell systems.
• Support process development activities for LNP screening, scale-up, and
  manufacturing-relevant workflows.
• Assist in programming, operating, and optimizing automated liquid handling
  and laboratory automation systems.
• Collect, analyze, and interpret experimental data; prepare technical
  summaries and present results in internal meetings and reviews.

What will convince us:

• PhD graduate or student in Bioengineering, or closely related discipline with formal education and experience with lipid Nanoparticles.
• Hands-on experience with LNP formulation characterization techniques and biological assays used to evaluate key LNP properties Experience with mammalian cell culture and maintenance.
  Proficiency with Python programming is a plus Familiarity with laboratory automation and data acquisition
• Experience with DOE and basic statistical analysis tools for experimental design and data interpretation.
• Identification with our core values: Sustainability, Openness, Enjoyment

Compensation is up to $30 an hr.

This position does not provide relocation accommodations

What We Offer

As a growing global life science company, with our stock listed on the German DAX and TecDAX , Sartorius offers a wide range of benefits:
Personal and Professional Development: Mentoring, leadership programs, internal seminar offerings
Making an Impact Right from the Start: Comprehensive onboarding, including a virtual online platform
Welcoming Culture: Mutual support, team spirit and international collaboration; communities on numerous topics such as “Coaching”, “Agile Working” and a “Businesswomen’s Network”
Intelligent Working Environment: Working in smart buildings with the latest technology and equipment.

Sartorius is an equal opportunity employer and will consider all qualified applicants for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, disability or based on status in any other protected group of class.

Please view equal employment opportunity posters provided by OFCCP here.

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Sartorius is part of the solution in the fight against cancer, dementia, and many other diseases. Our technologies help translate scientific discoveries into real-world medicine faster, so that new therapeutics can reach patients worldwide. We look for ambitious team players and creative minds, who want to contribute to this goal and advance their careers in a dynamic global environment. Join our global team and become part of the solution. We are looking forward to receiving your application.

We look forward to receiving your application.

www.sartorius.com/career

If you are a qualified indiv