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19 October 2026
New

Principal Scientist

Tokyo, Japan Posted 19 October 2026 Closes 19 December 2026
Department Health & Biotech
Category Health & Biotech
Job type Full-Time
Experience 7 Years

Description

  • Lead developability assessments for candidate molecules in collaboration with Research and Pharmaceutical Sciences partners.
  • Generate and integrate physicochemical, solid-state, stability, and biopharmaceutical evidence to identify development risks and enable candidate selection.
  • Translate characterization findings into clear recommendations for candidate selection, developability risk mitigation, solid-form strategy, and formulation direction.
  • Apply solid-state and material techniques, such as XRPD, DSC, TGA, DVS, microscopy, spectroscopy, particle characterization, and related methods; expertise in every technique is not required.
  • Characterize impurities including nitrosamines and mutagenic impurities and contribute scientific evidence to multidisciplinary risk assessments.
  • Lead or support investigations of unexpected analytical observations, material variability, degradation, stability trends, manufacturing events, and product-performance concerns through orthogonal techniques such as NMR, MS, spectroscopy, chromatography, diffraction, thermal analysis, and microscopy.
  • Use fit-for-purpose statistics, data visualization, predictive tools, and in silico / AI-enabled approaches to strengthen experimental design, molecular and material understanding, stability assessment, and biopharmaceutical risk evaluation.
  • Collaborate closely with Research, DMPK, Drug Safety, Process Chemistry, Formulation Development, and other partners as appropriate.
  • Provide scientific oversight of CROs and external laboratories, including study design, protocol / report review, progress monitoring, data evaluation, and resolution of technical issues.
  • Prepare and present study plans, technical reports, risk assessments, scientific recommendations, and development documentation for internal and external partners.
  • Contribute characterization content and scientific justification for regulatory documents and responses as appropriate to project phase and role.
  • Lead or contribute to initiatives that improve scientific quality, productivity, consistency, knowledge reuse, and technical capabilities across the organization.
  • Recognized as a technical expert across Pharm Sci functions
  • Serve as a technical resource or mentor for junior staff and leverage expertise in laboratory technology as a functional resource/trainer

Qualifications

Highest qualification: University

  • Bachelor’s degree in Chemistry, Engineering, Biology, Analytical Chemistry or related Pharmaceutical Science and 7+ years relevant industry experience
  • Master’s degree in Chemistry, Engineering, Biology, Analytical Chemistry or related Pharmaceutical Science and 5+ years relevant industry experience
  • PhD in Chemistry, Engineering, Biology, Analytical Chemistry or related Pharmaceutical Science and 3+ years relevant industry experience
  • Demonstrated ability to independently design studies, integrate data across disciplines, and communicate actionable scientific conclusions.
  • Technical knowledge and skills of solid form study, biopharmaceutical assessment and physicochemical profiling of synthetic molecules.
  • Understanding of pharmaceutical development and the relationship among candidate properties, material attributes, formulation, process, stability, biopharmaceutics, and analytical strategy.
  • Strong scientific judgment, problem-solving, technical writing, presentation, collaboration, and stakeholder-influence skill.
  • Experience with in silico tools, predictive modeling, statistics, data science, automation, or AI-enabled scientific workflows.
  • Knowledge of analytical techniques with experience in multiple techniques for synthetic molecules such as LC, dissolution, spectroscopy, particle size analysis, XRPD etc.; Able to work in a lab setting and independently interpret results of complex experiments.
  • Excellent organizational and communication skills. Has the ability to influence at all levels of the organization and manage projects across businesses and the globe.
  • Proven external scientific track record through presentations at scientific conferences and publication of peer-reviewed manuscripts
Principal Scientist
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