Global Medical Writing Strategy Director

Sironax; Waltham (MA); Hybrid; USD 180,000 - 240,000; Full time

Job summary

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

Qualifications

• Advanced life sciences degree preferred (PhD/PharmD/MD/MS).
• 10+ years of medical writing in pharma/biotech/CRO.
• Lead writer for protocols, CSRs, IBs, DSURs, IND submissions.
• Experience with major submissions (IND/CTA/NDA/BLA/MAA).
• Strong regulatory knowledge (FDA, ICH, EMA, NMPA).

Responsibilities

• Lead medical writing function with long-term strategy and standards.
• Provide strategic guidance on document strategy and messaging.
• Collaborate with Clinical and Regulatory to anticipate submissions.
• Oversee planning, development, and delivery of key regulatory/clinical documents.
• Ensure accuracy and consistency with regulatory strategy.
• Lead submission planning, timelines, and cross-functional integration.
• Oversee vendor selection, budgets, and performance of outsourced writing.
• Drive templates, workflows, and electronic document systems.
• Improve document processes including automation and digital tools.
• Ensure compliance with ICH, FDA, EMA standards.

Skills

Medical writing leadership

Regulatory strategy

Cross-functional collaboration

Project management

Regulatory submissions

Document standards

Scientific communication

Vendor management

Strategic planning

ICH FDA EMA knowledge

Education

Advanced life sciences degree

Tools

MS Word

Document management systems

eCTD

Submission publishing tools

Job description

Remote (Australia) or Waltham, Massachusetts, United States

Position Summary

This role requires 3 days per week in Waltham, MA office.
The Medical Writing Director provides strategic, scientific, and operational leadership for all clinical and regulatory writing activities across the company’s global development programs. This role is responsible for setting the vision, standards, and processes for medical writing, and for ensuring the delivery of high-quality, compliant, and compelling documentation that supports clinical development, regulatory submissions, and interactions with global health authorities.

The Medical Writing Director will oversee the end-to-end authoring, planning, and management of complex regulatory documents—including clinical study protocols, clinical study reports (CSRs), Investigator’s Brochures (IBs), Development Safety Update Reports (DSURs), and global regulatory submissions (e.g., IND, CTA, NDA/BLA, and major meeting packages). This leader will collaborate cross-functionally at strategic and operational levels, influence regulatory strategy, and build and develop a high-performing internal and external medical writing organization.

Key Responsibilities

• Establish and lead the medical writing function, setting long-term strategy, standards, and best practices across all programs.
• Serve as the expert in medical writing, providing strategic guidance on document strategy, data presentation, messaging consistency, and regulatory expectations.
• Collaborate with clinical and regulatory leadership to anticipate upcoming submission needs and ensure organizational readiness.
• Develop, maintain, and enforce document standards, templates, style guides, and best practices to ensure high-quality deliverables across all programs.
• Oversee and/or directly author the planning, development, and delivery of critical regulatory and clinical documents, including: Clinical Study Protocols and Amendments, CSRs, IBs, DSURs, IND Modules, and regulatory meeting packages.
• Ensure scientific accuracy, clarity, and consistency of messaging aligned with regulatory strategy and clinical objectives across all programs.
• Lead document planning for major submissions, including timelines, resourcing, and cross-functional integration.
• Partner closely with Clinical Development, Regulatory Affairs, Data Sciences, Pharmacovigilance, CMC, Nonclinical, Program Management, and senior leadership to gather inputs and ensure alignment.
• Provide expert-level guidance on the structure, content, and strategy for clinical and regulatory documents.
• Play a central role in regulatory submission planning, cross-functional review processes, and regulatory meeting preparation.
• Oversee vendor selection, budget management, and performance oversight for outsourced writing activities.
• Lead the creation, implementation, and continuous refinement of templates, document workflows, and electronic document systems.
• Drive improvements in document processes, including automation, digital tools, and submission-readiness practices.
• Ensure deliverables meet all applicable industry standards, including ICH, FDA, EMA, and regional authority requirements.

Qualifications

• Advanced degree in life sciences (PhD, PharmD, MD, or MS preferred).
• 10+ years of medical writing experience in the pharmaceutical, biotechnology, or CRO industry.
• Proven success serving as lead writer for clinical study protocols, CSRs, IBs, DSURs, and IND submissions.
• Demonstrated experience overseeing document strategy for major submissions (e.g., IND, CTA, NDA, BLA, MAA).
• Deep understanding of global regulatory requirements (FDA, ICH, EMA, NMPA).
• Strong scientific background with the ability to interpret complex data.
• Proficiency with document management systems and MS Word; familiarity with eCTD and submission publishing tools preferred.
• Strong project management skills with the ability to manage multiple complex projects simultaneously.
• Excellent written and verbal communication skills with meticulous attention to detail.
• Ability to work effectively across diverse, global, cross-functional teams.
• Experience with global submissions (IND, CTA, NDA, BLA, MAA) preferred.
• Familiarity with electronic Common Technical Document (eCTD) format.
• Experience in neurodegenerative diseases, inflammation, rare diseases, or other relevant therapeutic areas preferred.