Senior Manager, Regulatory Affairs

Job title: Senior Manager, Regulatory Affairs Location: Hatsudai Tokyo About the Job Position Summary The Senior Manager, Regulatory Affairs serves as the Japan regulatory lead for assigned development projects. This role is responsible for formulating and executing Japan regulatory strategies in alignment with global development plans, leading PMDA interactions, and ensuring high‑quality regulatory submissions including CTNs, J-NDAs, and J-sNDAs. As a senior regulatory expert, the individual will provide strategic input to cross‑functional teams, guide regulatory risk assessment and mitigation, and contribute to the successful and timely delivery of medicines to patients in Japan. Role & Responsibilities Develop and implement Japan regulatory strategies for development programs and new indications, ensuring alignment with global regulatory strategies. Serve as the regulatory representative on project teams, providing expert guidance on Japan regulatory requirements. Lead preparation and execution of PMDA Consultation Meetings and Health Authority interactions, including development of meeting scenarios and briefing documents. Identify regulatory risks and develop mitigation plans; ensure timely communication and alignment across stakeholders. Represent Japan regulatory perspectives within global regulatory teams (GRT) and contribute to global strategy development. Lead the preparation and internal review coordination of Japanese CTD (J‑CTD) modules for major submissions (CTN, J‑NDA, J‑sNDA). Coordinate cross‑functional contributions from non‑clinical, clinical, medical, PV, CMC and other key stakeholders. Lead preparation of responses to PMDA inquiries and ensure high‑quality, timely submissions. Lead Japanese Package Insert revisions requested by Commercial or Medical teams, when handled by PMDA’s New Drug Review Division. Ensure compliance with Japan regulatory requirements and internal quality standards for all submissions and regulatory documents. Act as a key point of contact for PMDA and MHLW for assigned products. Build and maintain constructive relationships with regulatory authorities and relevant external stakeholders. Demonstrate behaviors aligned with the company’s values and contribute to a collaborative, positive, and learning‑oriented team culture. Encourage junior staff to proactively learn, challenge assumptions, and adopt a problem‑solving mindset. About you Knowledge, Skills & Competencies / Language Hands-on experience with CTN preparation, PMDA consultations, and regulatory submissions (preferred but not mandatory at entry level for this grade). Knowledge of the drug development process and Japan regulatory review frameworks. Experience with CTD/eCTD preparation is preferred. Strong logical and analytical thinking. Excellent negotiation and communication skills. Ability to proactively identify issues and drive solutions. Demonstrated ability to work independently with a positive and self‑driven mindset. Strong cross‑functional collaboration skills and ability to influence without authority. Results-oriented and persistent in achieving goals. Highly organized with strong attention to detail. Qualifications Bachelor’s degree or higher in a scientific or health-related field (advanced degree preferred). Minimum 2 years of experience in R&D functions or regulatory affairs within the pharmaceutical industry or equivalent. Business-level English (TOEIC 800 or equivalent). Native-level Japanese required. Why choose us? As a regulatory expert, you will be a core member of cross‑functional project teams and directly influence development strategy and key decision-making. The role offers the opportunity to engage closely with PMDA on development plans and scientific discussions, one of the most impactful and rewarding aspects of regulatory affairs. You will gain firsthand insight into evolving regulatory frameworks, new guidelines, and emerging trends in Japan’s development landscape, continuously strengthening your expertise. This role contributes directly to accelerating patient access to innovative therapies in Japan, providing a strong sense of purpose and mission. 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. Pursue progress, discover extraordinary Better is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people. At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity. Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com! Global Terms & Conditions and Data Privacy Statement We are an R&D driven, AI-powered biopharma company committed to improving people’s lives and creating compelling growth. Our team is guided by one purpose: we chase the miracles of science to improve people’s lives. We want to build a healthier, more resilient world, and turn the impossible into the possible by discovering, developing, and delivering medicines and vaccines for millions of people around the world. Discover more about us visiting www.sanofi.com or via our movie We are Sanofi Start a career that makes a difference. Reinvention is in our DNA. It’s what drove our evolution from a small French enterprise to one of the world’s leading biopharma companies. Whether it’s using AI to shorten drug-discovery times or building trust in healthcare, you could be helping our teams make life better for patients, partners, and communities. This is where you grow your career. 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