Senior Director, LNP Formulation & Process Development

The posting, as Flagship Pioneering, Inc. wrote it

COMPANY DESCRIPTION

Mirai Bio is a privately-held, Flagship-founded biotechnology company that is delivering genetic medicines from promise to performance. Mirai was built to solve one of the field’s central challenges: achieving precise, scalable delivery of diverse nucleic acid payloads to specific cells and tissues, particularly beyond the liver. By combining a large and growing proprietary in vivo biodistribution dataset, machine learning-guided lipid nanoparticle optimization, modular targeted particle design, and integrated translation and manufacturing capabilities, Mirai helps partners accelerate development, reduce technical risk, and pursue high-value programs making delivery a strategic advantage. We are seeking collaborative, relentless problem solvers that share our passion for defining the future of genetic medicines together.

THE ROLE

We are seeking an experienced Senior Director of Lipid Nanoparticle (LNP) Formulation & Process Development to lead the company's LNP formulation, process development, and small-scale production organization supporting partner and internal research and preclinical programs.

The Senior Director will provide scientific and operational leadership across multiple programs, establish LNP development and production strategies, and build scalable, reproducible capabilities to support a growing portfolio. This individual will lead and develop a team of scientists, serve as a senior technical interface with clients and partners, and collaborate closely with Analytical Development, Translational Biology, Project Management, and other functions.

The successful candidate will combine deep expertise in LNP formulation and processing with strong organizational leadership, program execution, and client-facing skills.

KEY RESPONSIBILITIES

• Lead the LNP formulation, process development, and small-scale production function supporting partner and internal programs.
• Establish technical strategy and best practices for LNP formulation, process development, characterization, and production across multiple payloads and applications.
• Provide senior technical leadership across multiple programs, including development strategy, experimental planning, data review, risk mitigation, and technical recommendations.
• Serve as a senior technical interface with clients and partners and support proposals, project scopes, presentations, and business development activities.
• Oversee non-GMP production of LNP formulations for in vitro, in vivo, and preclinical studies.
• Drive technical troubleshooting, process optimization, technology transfer, and continuous improvement of LNP production for mRNA, siRNA, gene-editing components, and other nucleic acid payloads .
• Establish workflows, documentation, and operational practices that improve quality, reproducibility, efficiency, and scalability.
• Lead, mentor, and develop the LNP team while managing priorities, resources, capacity, and organizational growth.
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Recruitment & Staffing Agencies : Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.

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The salary range for this role is $213,000 - $280,500. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Mirai Bio currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Mirai Bio's good faith estimate as of the date of publication and may be modified in the future.

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