Principal Scientist, Pathogen Safety

The Principal Scientist, Pathogen Safety Support provides scientific and operational expertise to support pathogen safety activities across manufacturing, technical operations, and product lifecycle management.

This role partners closely with cross-functional stakeholders to assess pathogen safety risks, support regulatory and compliance obligations, and contribute to projects that ensure the continued safety, quality, and supply of CSL products.

The successful candidate will serve as a trusted scientific expert, delivering pathogen safety assessments, technical guidance, and operational support while driving continuous improvement and compliance excellence across the organization

• Plan and execute scientific work packages supporting pathogen safety activities across the product lifecycle.
• Conduct scientific risk assessments related to manufacturing changes, deviations, product complaints, pharmacovigilance investigations, and other operational matters.
• Author and review technical documents, annual reports, regulatory submissions, and responses to health authority requests.
• Support internal and external inspections, audits, and regulatory commitments.
• Provide scientific and technical support to pathogen safety projects and cross-functional initiatives.
• Resolve technical and operational issues impacting pathogen safety deliverables and project timelines.

• Collaborate with Manufacturing Sciences & Technology (MS&T), Technical Operations, Quality, Regulatory Affairs, and other stakeholders to assess and prioritize pathogen safety requests.
• Participate in cross-functional planning and resource discussions within the Pathogen Safety organization.
• Support projects governed through Technical Operations and other business functions.
• Build effective partnerships across global, multicultural, and matrixed teams.

• Identify and implement opportunities to improve workflows, processes, and knowledge-sharing practices.
• Champion best practices, operational excellence initiatives, and digital solutions that enhance efficiency and scientific effectiveness.

• Deliver training and scientific guidance to Operations and Technical staff on pathogen safety topics.
• Support the development and maintenance of pathogen safety knowledge within the organization.

• Ensure all scientific activities are performed in accordance with applicable regulations, quality standards, and internal procedures.
• Promote a strong culture of quality, compliance, and scientific rigor.

• Bachelor's degree in Virology, Microbiology, Biotechnology, Biology, Chemistry, or a related scientific discipline.
• Advanced degree (MSc or PhD) in a relevant field strongly preferred.

• Minimum 5 years of experience within the biopharmaceutical, biotechnology, or life sciences industry.
• Demonstrated experience supporting drug development, commercial manufacturing, or technical operations environments.
• Proven ability to contribute technical expertise within cross-functional pharmaceutical projects.
• Experience working in global, multicultural, and matrixed organizations.

• Strong scientific expertise in pathogen safety and related disciplines.
• Excellent analytical, problem-solving, and risk assessment capabilities.
• Strong stakeholder management and collaboration skills with the ability to influence without direct authority.
• Excellent written and verbal communication skills.
• Ability to manage multiple priorities and deliver results in a fast-paced environment.

• Operates within a dynamic, matrixed organization requiring flexibility, prioritization, and effective collaboration across multiple functions.
• Ability to navigate ambiguity and competing priorities while maintaining high-quality scientific output.

• Occasional domestic and international travel may be required to manufacturing and development sites.

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 and CSL Plasma at .

Our Benefits

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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.

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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 .