(Associate) Director, Medical Writing

Position Summary MBX Biosciences is seeking an experienced and motivated Associate Director / Director of Medical Writing to support and help grow the Medical Writing function. This full-time role will play a key part in delivering high-quality clinical and regulatory documentation and contributing to the development of efficient medical writing processes across the organization. The successful candidate will oversee the preparation of clinical and regulatory documents while collaborating closely with cross-functional partners, including Clinical Development, Regulatory Affairs, Quality, and Program Management. This role reports to the Senior Director of Medical Writing and will contribute to shaping medical writing capabilities as the company continues to grow. Key Responsibilities Oversee the preparation, review, and finalization of clinical and regulatory documents, including clinical study protocols, clinical study reports, investigator brochures, and regulatory submissions. Ensure documents are scientifically accurate, clear, and compliant with applicable regulatory guidelines, company standards, and timelines. Collaborate with clinical, regulatory, and scientific teams to gather and interpret data and ensure effective communication of complex scientific information. Contribute to the development and maintenance of medical writing processes, templates, and best practices to improve quality and efficiency. Participate in cross-functional meetings as the medical writing representative and provide input on document strategy and planning. Manage project timelines and coordinate resources to support timely document delivery. Stay current with regulatory guidance, industry trends, and best practices in medical writing. Other responsibilities as assigned. Qualifications Advanced degree in life sciences, medical writing, or a related field (PhD, MD, or equivalent preferred). 5+ years of medical writing experience in the biotechnology or pharmaceutical industry. Demonstrated experience authoring and coordinating clinical and regulatory documents. Prior experience providing mentorship of junior writers or managing vendors is preferred. Strong working knowledge of regulatory requirements and guidelines (e.g., ICH, FDA, EMA). Excellent written and verbal communication skills, with the ability to clearly convey complex scientific information. Strong organizational, problem-solving, and collaboration skills. Ability to work effectively in a fast-paced, team-oriented environment with evolving priorities. Strong interpersonal skills and the ability to work cross-functionally. Travel You will be expected to travel periodically based on the needs of the business to the extent requested by the Company, including attendance at Together Weeks, Together Days, and functional meetings as requested by the Company. Company Overview : MBX Biosciences is a biopharmaceutical company focused on the discovery, development and commercialization of novel precision peptide therapies based on its proprietary PEP™ platform, for the treatment of endocrine and metabolic disorders. The Company is advancing a pipeline of novel candidates for endocrine and metabolic disorders with clinically validated targets, established endpoints for regulatory approval, significant unmet medical needs and large potential market opportunities. The Company’s pipeline includes canvuparatide (MBX 2109) for the treatment of chronic hypoparathyroidism preparing for Phase 3 development; and an obesity portfolio that includes MBX 4291 in Phase 1 development and MBX 5765 in preclinical development, as well as additional discovery candidates. The Company is based in Carmel, Indiana and Burlington, Massachusetts. To learn more, please visit the Company website at www.mbxbio.com and follow it on LinkedIn. EEO Statement: MBX Biosciences is an Equal Opportunity Employer and is committed to treating all applicants fairly without discrimination. We welcome applications from all individuals,