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EPM Scientific

Sr. Principal Scientist - Cell Line Development

Pay: $187,000/yr

Posted: 2 weeks ago

Location: Boston, MA (Onsite)

Last Updated: 1 week ago

Hours: Full-Time

Expires: 9/23/2026

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What they do

A Research and Development Manager is responsible for day-to-day management their organization's research and development department(s). Responsible for ensuring that the department meet the organization's objectives for researching and developing new products or technologies and improve existing products.

$194,928 / year median in Massachusetts

+4% projected growth

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Job Description

Sr. Principal Scientist

Cell Line Development EPM Scientific
3.3 Boston, MA Job Details $140,000
$187,000 a year 2 hours ago Qualifications Chemistry, manufacturing & controls Full Job Description Sr.

Principal Scientist, Cell Line Development Summary Our firm is currently partnered with a growing biopharmaceutical development organization seeking an Associate Director of Cell Line Development to lead its mammalian cell line and microbial strain development capabilities. This individual will lead a team of scientists and associates responsible for developing high-performing expression systems for monoclonal antibodies, recombinant proteins, and other therapeutic products. As a key member of the Biopharmaceutical Development leadership team, the Associate Director will help shape the strategic growth of the cell line development function while providing technical leadership across client programs. Key Responsibilities Lead the development and optimization of mammalian cell lines and microbial strains for therapeutic protein production. Oversee activities spanning vector construction, screening, transfection, media optimization, stable cell line development, and cell banking. Manage recombinant protein characterization activities, including ELISA, PCR, SDS-PAGE, and Western blot. Provide scientific and operational leadership to a team of scientists and research associates. Support the preparation of cell line and strain development documentation for IND, BLA, and broader CMC submissions. Drive innovation projects, evaluate emerging technologies, and oversee the implementation of new platforms and capabilities. Represent the cell line development function in client meetings and provide technical support to business development and commercial teams. Contribute to departmental strategy, capability expansion, resource planning, and budget management. Author and review SOPs, protocols, technical reports, and development documentation. Ensure programs meet applicable regulatory expectations, technical standards, and project timelines. Mentor and develop team members while fostering a collaborative, results-oriented environment. Qualifications S., M.S., or Ph.D. in Molecular Biology, Cell Biology, Biochemistry, Biotechnology, or a related scientific discipline. D. with at least 5-7 years, M.S. with 8-11 years, or B.S. with at least 12-16 years of relevant industry experience. Demonstrated expertise in mammalian cell line development and expression technologies supporting monoclonal antibody and recombinant protein therapeutics. Hands-on experience with mammalian expression systems such as CHO, HEK, and NS0. Experience with the CHO-GS platform is highly desirable. Experience developing cell lines for bispecific antibodies or other complex biologics is strongly preferred. Familiarity with microbial strain development and optimization. Strong understanding of PAT technologies, GMP expectations, ICH guidelines, and CMC development. Experience supporting IND/BLA documentation and regulatory submissions. Proficiency in statistical design of experiments and data analysis using JMP, Minitab, Design-Expert, or comparable software. Demonstrated ability to lead technical programs, solve complex development challenges, and make strategic recommendations to senior leadership. Strong team leadership, project management, organizational, and cross-functional communication skills.