$200K – $220K/yr
About Tr1X Tr1X is a clinical-stage biotechnology company developing engineered Tr1 cell therapies to restore immune balance in autoimmune and inflammatory diseases. Leveraging the unique biology of Tr1 cells, the company is advancing a pipeline of off-the-shelf allogeneic and in vivo CAR-Tr1 therapies designed to deliver targeted immunoregulation and address diseases driven by immune dysfunction, including transplant-related complications. Founded by pioneers in the discovery of Tr1 cells, Tr1X, Inc. is focused on developing durable, potentially curative therapies for conditions with high unmet need. For more information, visit www.tr1x.bio. Position Summary The Director, Medical and Regulatory Writing reports to the Vice President, Head of Regulatory Affairs and provides strategic planning, development, review, and delivery of high-quality medical, clinical, and regulatory documentation supporting Tr1X clinical programs. The role is responsible for establishing and executing medical writing strategies across clinical development programs, ensuring the timely preparation of scientifically accurate, regulatory-compliant documentation. The Director drives document quality and operational excellence and collaborates with senior leaders across Clinical Development, Regulatory Affairs, Biostatistics, Clinical Operations, Translational Medicine, CMC/Technical Operations, and other functions. The position plays a critical role in supporting regulatory milestones and submissions throughout the product lifecycle, while ensuring alignment with applicable regulatory requirements, scientific standards, and corporate objectives. Key Responsibilities Partner with Regulatory to develop and implement the medical writing strategy in alignment with corporate objectives, clinical development plans, regulatory strategies, and program goals. Author (writes & edits) high-quality documents across all program areas as needed such as clinical study protocols, protocol ame