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Research and Development

R&D
Where your curiosity drives the
miracles of
science

Regulatory Project / Products

Tokyo, Japan
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At a glance

Bring your curiosity to a team where deep immunoscience meets cutting-edge innovation. Across oncology, rare diseases, neurology, and vaccines, you’ll work at the intersection of lab science and AI-powered discovery — all while collaborating across boundaries to turn breakthrough ideas into real-world impact. Whether you want to deepen your scientific expertise or grow as a leader, you’ll find the opportunity here.

Role & Responsibilities

The R&D Regulatory Affairs has responsibility for managing products under development and/or

marketed products with new indications.

• Develop regulatory strategy for new drug developments, Health Authority meetings and Japan

New Drug Submission (J-NDA) and provide regulatory expertise within project/product teams for

products under development and/or marketed products,

• Prepare Japanese Common Technical Documents (J-CTD) for the regulatory submission and

arrange the internal review of J-CTD,

• Lead the preparation of Clinical Trial Notification (CTN), Health Authority meetings (e.g. PMDA

Consultation Meetings) and major regulatory submission (e.g. J-NDA and J-sNDA) and/or any

type of responses document to Health Authority questions with the stakeholders (Non- clinical,

clinical, Medical, Pharmacovigilance, CMC etc.),

• Ensure maintenance and compliance of regulatory activities for development and marketed

products,

• Accountable for defining the project strategy and associated timeline, identify the risk and

mitigation as the JAPC representative on GRT.

• Follow regulatory changes, competitor’s status and assess potential impact on daily activities

and project strategy.

• Lead Japanese Package Insert Revision activities on Commercial and Medical Division’s request

that is covered by PMDA New Drug Review Division.

Knowledge, Skills & Competencies / Language

• Knowledge of new drug development and regulatory review for the approval

• Ability to think logically

• Negotiation skills

• Communication skills

​Able to make continuous efforts with a focus on results
• A person who can work positively on his/her own.
• A person who can cooperate effectively with others
• Native level of Japanese, TOEIC 800 score or above in English

Qualifications
Description at the time of external employment
• At least 2 years for R&D or Regulatory field in a pharmaceutical company or equivalent.

Selling points

In regulatory affairs, as a regulatory expert, we participate in pharmaceutical project teams to provide advice and support to the team. Through this work, we can learn about regulatory changes and the evolution of the development environment related to drug development, thereby enhancing my expertise.

The essence and appeal of regulatory affairs work lies in engaging in constructive discussions with health authorities regarding drug development plans formulated by project teams, bringing these plans to fruition, and delivering medicines to patients as quickly as possible.

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Pursue Progress. Discover Extraordinary.

Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.

At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.

Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com

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Why work with us

  • Expand your horizons. Grow through curiosity, with support to move, learn, and lead in a culture that champions mentorship, mobility, and bold development.

  • Accelerate results with technology. Harness the power of AI and automation to push scientific boundaries and reimagine what's possible in drug discovery.

  • Impact through inclusive innovation. Help deliver better science and fairer outcomes by driving inclusive research that reaches more people, in more meaningful ways.

  • Turn patient needs into breakthrough science. Drive scientific breakthroughs that start with patient needs – and end in treatments that change lives.

Meet Nils Libert, Associate Scientist

Meet Nils Libert, an Associate Scientist in Belgium, where he plays a key role in advancing groundbreaking research. Learn how his work helps drive innovation, uncover new scientific possibilities, and contribute to life-changing treatments that impact patients around the world.

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"At Sanofi, we are building an R&D engine powered by the best science, digital innovation, and a commitment to transforming the lives of patients around the world."

Houman Ashrafian

EVP & Head of R&D

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Discover how we're reshaping the future of medicine through immunoscience – unlocking bold, cross-disease breakthroughs that were unimaginable just a decade ago.

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