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Process Development, Associate Director - Cell Line Development (CLD), Biologics

Vertex Pharmaceuticals
Full-time
On-site
Boston, MA
$166,800 - $250,200 USD yearly
Clinical Research and Development

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Role Summary

Process Development, Associate Director - Cell Line Development (CLD), Biologics

Responsibilities

  • Lead phase-appropriate strategies to develop, select, and characterize stable, high-producing cell lines for monoclonal antibodies, ADCs and other biologics modalities.
  • Evaluate, select and manage external capabilities for cell line development.
  • Oversee and review all aspects of the CLD process, including vector design, transfection, clone screening, characterization and cell line stability studies.
  • Ensure regulatory-compliant cell line development workflows, including clonality documentation and cell bank generation.
  • Develop and manage project timelines and budget for CLD activites.
  • Ensure project deliverables, quality standards, and timelines are met in alignment with internal program goals.
  • Collaborate with internal cross-functional teams including Process Development, Analytical Development, Quality Assurance, and Regulatory Affairs to ensure alignment and knowledge transfer.
  • Review and approve technical protocols, development reports, and data packages provided by CDMOs.
  • Provide scientific and strategic input into cell line platform development, technology evaluation, and implementation of innovation from external partners.
  • Support regulatory submissions (IND/IMPD/BLA) by contributing to or authoring relevant sections and responding to agency queries related to CLD.
  • Serve as a subject matter expert in regulatory agency interactions, audits, and inspections.
  • Expected travel: 10-20% (domestic and international)

Qualifications

  • PhD in Chemical Engineering, Biochemical Engineering, Pharmaceutical Sciences or related discipline with commensurate years of education and experience.
  • Minimum of 8 years of experience in drug substance development and manufacturing. MS with 12+ years of relevant experience may be considered.
  • Demonstrated expertise in cell line development for therapeutic proteins including antibodies, ADCs, and fusion proteins.
  • Strong understanding of molecular biology techniques, vector construction, clone selection strategies, and cell line characterization methods. Familiarity with industry-leading expression platforms (e.g., GS, CHOZN, CHEF1, etc.) is strongly preferred.
  • Knowledge of upstream process development and analytical methods related to CLD.
  • Hands-on experience managing external CDMOs and navigating cross-functional and cross-organizational workflows.
  • Experience in authoring and reviewing relevant CMC sections of regulatory filings (IND, BLA, etc.).
  • Proven track record of delivering on complex biologics development programs.
  • Excellent interpersonal, communication, and organizational skills.
  • Ability to work independently, manage multiple projects simultaneously, and operate in a fast-paced environment.

Skills

  • Cell line development for therapeutic proteins
  • Molecular biology techniques, vector construction, clone selection
  • CDMO management and cross-functional collaboration
  • Regulatory filing support (IND/BLA/IMPD)
  • Program leadership and project management

Education

  • PhD in a relevant field (Chemical Engineering, Biochemical Engineering, Pharmaceutical Sciences) or equivalent combination of education and experience.
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