Join BioMarin Pharmaceutical as a Principal Clinical Medical Writer, leading the creation of high-quality clinical and regulatory documents for groundbreaking therapies in rare diseases. Collaborate with global teams to ensure scientific excellence and compliance in all medical communications.

BioMarin Pharmaceutical is a leading global biotechnology company dedicated to developing and commercializing innovative therapies for people with rare and specialty diseases. We are seeking a highly skilled Principal Clinical Medical Writer to join our dynamic Medical Writing team in London. In this senior role, you will play a pivotal part in shaping the scientific narrative for our clinical development programs, ensuring that all documentation meets the highest standards of accuracy, clarity, and regulatory compliance.

As a Principal Clinical Medical Writer, you will oversee the end-to-end process of creating complex clinical documents, from clinical study reports and protocols to integrated summaries and regulatory dossiers. You will collaborate closely with clinical operations, regulatory affairs, biostatistics, and subject matter experts to translate scientific data into compelling, publication-ready materials. This position offers the opportunity to contribute to transformative therapies that address unmet medical needs, while advancing your career in a supportive and innovative environment.

Key responsibilities include leading writing projects, mentoring junior writers, reviewing documents for scientific and strategic alignment, and staying abreast of evolving regulatory landscapes. If you have a passion for medical writing and a track record of excellence in clinical documentation, we invite you to bring your expertise to BioMarin and help drive our mission forward.

• Advanced degree (PhD or equivalent) in life sciences, medicine, or related field
• Minimum of 8-10 years of experience in clinical medical writing within the pharmaceutical or biotechnology industry
• Proven expertise in authoring clinical study reports, protocols, investigator brochures, and regulatory submissions (e.g., CTD modules)
• Strong understanding of regulatory guidelines (ICH, FDA, EMA) and good clinical practice (GCP)
• Excellent written and verbal communication skills, with the ability to synthesize complex scientific data
• Proficiency in document management systems and Microsoft Office suite
• Experience with rare disease or gene therapy portfolios is highly desirable
• Ability to work independently and lead cross-functional teams

• Competitive salary and performance-based bonuses
• Comprehensive health, dental, and vision insurance coverage
• Generous paid time off, including vacation, sick leave, and holidays
• Professional development opportunities, including conferences and training programs
• Flexible remote work options with company-provided equipment
• Employee stock purchase plan and retirement savings matching
• Wellness programs and access to mental health resources
• Collaborative and innovative work environment focused on patient impact