Principal Medical Writer
- Employer
- CSL
- Location
- King of Prussia, PA
- Posted date
- Sep 28, 2026
View more categories
- Discipline
- Clinical, Clinical Documentation, Medical Writing
- Required Education
- Bachelors Degree
- Position Type
- Full time
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Job Details
The Principal Medical Writer is a key leadership position responsible for determining and driving themedical writing strategy for one or more Programs within Clinical Development.
The incumbent is accountable for the efficient preparation of high quality, strategically aligned medicalwriting deliverables that support the clinical development, clinical safety and regulatory requirements of a clinical program. He or she is also responsible for the messaging strategy across a program of work, for the provision of strategic input into the development of clinical development plans and submission plans, and for analyzing proposed plans, programs, individual studies and related documents for their ability to deliver the information required by the target audience (ie, regulatory authority) in a compelling fashion with accuracy and consistency. This role has global responsibilities, participation in global teams and interaction with regulatory agencies in multiple regions.
Main Responsibilities & Accountabilities:
Leads the Medical Writing contributions to assigned clinical Programs
Drives and develops the messaging strategy for the assigned Program(s) to ensure effectivecommunication
Accountable for medical writing deliverable quality and ensures adherence to departmentalprocedures / practices, and industry / international standards
Minimum Qualificationsand Experience:
Bachelor’s degree insciencerelated disciplinewith 5+ years of medical writing experience within the biopharmaceutical industry or contract research organization
Post-graduate qualifications desired (PhD or MD preferred)
Competencies:
Comprehensive understanding of medical writing for clinical development, including the documents required at each stage and their associated regulatory requirements
Comprehensive understanding of medical writing processesandstandards
Excellent written, verbal and presentation skills
Demonstrated track record in cross-functional, multicultural and international clinical trial teams.
Proven effective verbal, written and presentation skills.
Mastery of the English language, with a comprehensive understanding of English grammar and punctuation.
Expert MS Office skills with a special focus on word processing, tables, spreadsheets, presentations, graphics and templates
Prior experience with submissions in Common Technical Document (CTD) format.
Proven ability to work effectively both independently or in a team setting.
Proven effectiveinfluencing skills, able to lead without formal authority
Excellent organizational and time management skills with demonstrated ability to manage several projects simultaneously.
Ability toanalyzecritically and synthesize complex scientific information from arange of scientific disciplines and clinical therapeutic areas.
Successful track record of leading complex clinical / regulatory writing projects.
Excellent understanding of ICH-GCP.
Detail-oriented.
About CSL Behring
CSL Behring is a global biotherapeutics leader driven by our promise to save lives. Focused on serving patients’ needs by using the latest technologies, we discover, develop and deliver innovative therapies for people living with conditions in the immunology, hematology, cardiovascular and metabolic, respiratory, and transplant therapeutic areas. We use three strategic scientific platforms of plasma fractionation, recombinant protein technology, and cell and gene therapy to support continued innovation and continually refine ways in which products can address unmet medical needs and help patients lead full lives.
CSL Behring operates one of the world’s largest plasma collection networks, CSL Plasma. Our parent company, CSL, headquartered in Melbourne, Australia, employs 32,000 people, and delivers its lifesaving therapies to people in more than 100 countries.
To learn more about CSL, CSL Behring, CSL Seqirus and CSL Vifor visit https://www.csl.com/ and CSL Plasma at https://www.cslplasma.com/.
Our Benefits
For more information on CSL benefits visit How CSL Supports Your Well-being | CSL.
You Belong at CSL
At CSL, Inclusion and Belonging is at the core of our mission and who we are. It fuels our innovation day in and day out. By celebrating our differences and creating a culture of curiosity and empathy, we are able to better understand and connect with our patients and donors, foster strong relationships with our stakeholders, and sustain a diverse workforce that will move our company and industry into the future.
To learn more about inclusion and belonging visit https://www.csl.com/careers/inclusion-and-belonging
Equal Opportunity Employer
CSL is an Equal Opportunity Employer. If you are an individual with a disability and need a reasonable accommodation for any part of the application process, please visit https://www.csl.com/accessibility-statement.
Company
CSL is a global biotechnology company with a dynamic portfolio of lifesaving medicines, including those that treat hemophilia and immune deficiencies, vaccines to prevent influenza, and therapies in iron deficiency and nephrology. Since our start in 1916, we have been driven by our promise to save lives using the latest technologies. Today, CSL – including our three businesses, CSL Behring, CSL Seqirus and CSL Vifor – provides lifesaving products to patients in more than 100 countries and employs 32,000 people.
Areas of Expertise
We focus and demonstrate global leadership in three distinct areas—rare and serious diseases; influenza vaccines; and iron deficiency and nephrology.
Rare & Serious Diseases
CSL Behring is a global biotherapeutics leader driven by our promise to save lives. Focused on serving patients' needs by using the latest technologies, we discover, develop and deliver innovative therapies for people living with conditions in the immunology, hematology, cardiovascular and metabolic, respiratory, and transplant therapeutic areas.
Vaccines
As one of the largest influenza vaccine providers in the world, CSL Seqirus is a major contributor to the prevention of influenza globally and a transcontinental partner in pandemic preparedness. CSL Seqirus utilizes egg, cell and adjuvant technologies to offer a broad portfolio of differentiated influenza vaccines in more than 20 countries.
Iron Deficiency & Nephrology
With our iron deficiency and iron deficiency anemia expertise in heart failure, kidney disease, gastroenterology or inflammatory bowel disease, patient blood management and women’s health, we help patients affected by these conditions to live better, healthier lives.
CSL is a global specialty biotherapeutics company that develops and delivers innovative biotherapies that save lives, and help people with life-threatening medical conditions live full lives.
- Phone
- 610-878-4000
- Location
- 1020 First Avenue
King of Prussia
Pennsylvania
19406