Scientist, LNP Process and Development

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

• Fertility benefits: Not verified
• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

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Relocation assistance

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Childcare support

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Learning budget

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Verification

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Salary

$100K-$143K From the posting source checked Jun 20, 2026

401(k) match

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Role

Seniority

Mid From the posting source checked Jun 20, 2026

Schedule

Shift type

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Weekend work

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Company

Company stage

Early From the posting source checked Jun 20, 2026

Application

Cover letter

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Assessment

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Deadline

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Where they hire

State eligibility is not yet verified.

About this role

Scientist, LNP Process and Development Cambridge, MA Company description Serif Biomedicines is a privately held, early-stage biotechnology company developing a novel approach to gene therapy that can address currently untreatable diseases. It was founded by Flagship Pioneering, an innovation enterprise that conceives, creates, resources, and grows first-in-category life sciences companies. Flagship Pioneering has created over 100 groundbreaking companies over the past twenty years, all of which are pioneering novel and proprietary biological, industrial, and engineering approaches to solve major needs in human health and sustainability. These companies include Moderna (MRNA), Syros Pharmaceuticals (SYRS), Seres Therapeutics (NASDAQ:MCRB), Generate Biomedicines, Tessera Tx, Evelo Biosciences (EVLO), and Indigo Agriculture. 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

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