Global Medical Writing Strategy Director

Sironax Ltd. in Waltham, MA seeks a Medical Writing Director to provide strategic, scientific, and operational leadership for all clinical and regulatory writing across global programs.

This role sets vision, standards, and processes to deliver high-quality, compliant documentation supporting clinical development, regulatory submissions, and health authority interactions. You will oversee end-to-end authoring for protocols, CSRs, IBs, DSURs, INDs, and major submissions; lead cross-functional