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Astellas Pharma

Global pharma advancing oncology, gene therapy

Scientist – Downstream Bioprocess Science - CBTL, Product Research & Development

Bioprocess & BiomanufacturingConfirmed live in the last 24 hours
Full-timeTsukuba, Ibaraki, Japan

About the Job

Requirements

  • Experience in downstream process development for biologics.
  • A Master's degree and experience in the pharmaceutical or biotechnology industry.
  • Basic business communication skills in English.
  • Cross-functional collaboration skills.
  • Problem-solving capabilities and a proactive, hands-on mindset.

Responsibilities

  • Execute downstream process development for biologics such as monoclonal antibodies and support technology transfer activities to internal and external manufacturing sites for early- and late-phase projects.
  • Establish appropriate control strategies for IND/BLA submissions and support the maintenance of commercial manufacturing to ensure a stable supply with consistent quality within project teams.
  • Evaluate the introduction of innovative technologies in downstream processing in collaboration with internal and external partners.
  • Participate in meetings with CDMOs and internal stakeholders across different time zones as a representative or member of the technical team.
  • May serve as Drug Substance Lead in biologics projects, designing and executing project CMC development strategies, driving planning and operational excellence, and ensuring seamless collaboration across CMC functions.

Desired Qualifications

  • Experience in purification process development for monoclonal antibodies and other modalities.
  • Experience in process scale-up.
  • Experience in technology transfer to internal or external manufacturing sites.
  • Experience in process validation and/or support for BLA submissions for biologics.
  • Knowledge of Antibody-Drug Conjugation.
  • A Ph.D. degree with relevant experience in the pharmaceutical or biotechnology industry.
  • Business communication skills in English and/or experience collaborating with global stakeholders.

About the Company

Astellas Pharma

Global pharma advancing oncology, gene therapy

Astellas develops medicines for diseases with high unmet medical needs, focusing on oncology, urology, nephrology, and ophthalmology. It uses precision medicine and next-generation modalities such as targeted protein degradation, cell and gene therapies, and immuno-oncology to treat complex diseases. Its Focus Area Approach lets it rapidly reallocate resources to promising breakthroughs, and it collaborates openly through innovation hubs and venture investments. Its goal is to translate science into life-changing therapies and expand global patient access while pursuing ESG commitments and a net-zero supply chain.

Company size
10,001+
Company stage
IPO
Headquarters
Tokyo, Japan
Founded
1894

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