Associate Director, Regulatory Affairs - CMC

PTC Therapeutics is a global commercial biopharmaceutical company. For over 25 years our team has been deeply committed to a unified purpose:
Extending life's moments for children and adults living with a rare disease.

At PTC, we cultivate an inclusive culture where everyone feels valued, respected, and empowered. We welcome candidates from all backgrounds to join our team, fostering a strong sense of belonging.

Visit our website to learn more about our company and culture! Site:

The Associate Director, Regulatory Affairs - CMC will be responsible for leading global regulatory CMC strategy for product development and registration, and for preparation of CMC dossier for primarily small molecule regulatory submissions (INDs and NDAs) according to global regulatory expectations and requirements. This position works cross-functionally with Regulatory Affairs, Technical Operations, and Quality to facilitate the completion of regulatory filing documentation in accordance with company timelines.

This position ensures adherence to relevant regulatory requirements and company Standard Operating Procedures (SOPs) as appropriate.

• Leads and manages the development and preparation of CMC-related submission documents for small molecule products in collaboration with Technical Operations, Quality, and Regulatory Affairs to ensure they are organized, logical, and meet current regulatory standards and are of high quality, to enable regulatory approval on the first review cycle. The submissions include, but not limited to, new drug marketing applications (eg NDA, MAA, NDS, etc), electronic Common Technical Documents (eCTDs), investigational new drug applications (eg INDs, CTAs), briefing documents, response to queries, Orphan Drug Applications, and annual reports.
• Leads global post-approval CMC regulatory strategy for commercial products, providing CMC regulatory leadership for lifecycle changes (e.g., manufacturing site changes, scale‑up/tech transfer, process improvements, control strategy updates, and analytical method changes) to ensure supply continuity and align data packages to regional requirements.
• Collaborates with Regulatory Affairs Team to develop robust global regulatory CMC strategy and risk mitigation to enable successful regulatory submissions and approvals for drug development and registration.
• Manage or assist with regulatory agency interactions.
• Effectively interprets and applies regulatory guidance. Provides regulatory guidance, recommendations and solutions to cross functional teams and key stakeholders.
• Works with CMC Writing, Regulatory Operations, and Submission Project management to support development of internal processes to improve the CMC aspects in regulatory documents, including the writing, review, and approval process, critical review and reconciliation of team comments, and ensuring documents are of high-quality.
• Supports best practice for regulatory CMC compliance activities including, but not limited to, change controls, post‑marketing commitments, product complaints, and regulatory inspections.
• Remains current on CMC regulatory intelligence including guidelines and compendial requirements

Bachelor's degree in scientific discipline. A minimum of 7-8 years Regulatory Affairs experience and/or CMC technical writing experience in a pharmaceutical, biotechnology or related environment. Advanced degree a plus.

• Technical knowledge in small molecules with experience in translating to a regulatory document
• Demonstrated, hands‑on experience in pharmaceutical development, registration, and post‑approval life cycle management in a global environment.
• Prior experience within a GMP environment with a firm understanding of industry regulations and best practices
• Excellent working knowledge of the ICH region regulations for small molecule drugs.
• Knowledge of global regulatory guidance as they relate to the overall global regulatory strategy.
• Ability to understand and interpret complex scientific issues across multiple projects as it relates to regulatory requirements and strategy.
• Demonstrated experience in preparing regulatory submissions, including IND/CTA, NDA/MAA, NDS,…