Principal Scientist, CMC Science

The Principle Scientist, CMC Science is responsible for supporting and executing Chemistry, Manufacturing, and Controls (CMC) strategies for pharmaceutical and/or biologic products across clinical development and early commercialization. This role ensures that drug substance and drug product development activities meet regulatory, quality, and business objectives.

This role works cross-functionally to drive CMC deliverables, manage external partners, and support global regulatory submissions.

Key Responsibilities

CMC Strategy & Execution

Contribute to the development and implementation of phase-appropriate CMC strategies

Support CMC activities for assigned programs from early development through late-stage clinical development

Identify risks and develop mitigation strategies to ensure timelines and quality standards are met

Process & Analytical Development

Support drug substance and drug product development activities

Support analytical method development, validation, and specification setting

Support process characterization, validation, and lifecycle management

Manufacturing & Tech Transfer

Manage relationships with CDMOs and manufacturing partners

Support technology transfer and scale-up activities

Ensure compliance with GMP requirements

Regulatory Support

Author, review, and contribute to CMC sections of regulatory submissions (IND, CTA, NDA, BLA)

Support interactions with global regulatory authorities, including the U.S. Food and Drug Administration and the European Medicines Agency

Address regulatory questions and inspection readiness activities

Cross-Functional Collaboration

Partner with Regulatory Affairs, Quality, Supply Chain, and Technical Operations teams

Provide technical expertise to management team

Support budget planning and timeline management for CMC activities

Your Profile

PhD, MSc, or equivalent degree in Chemistry, Pharmaceutical Sciences, Chemical Engineering, Biochemistry, or related scientific discipline.

Typically 8-10 years of experience in pharmaceutical or biotechnology development.

Demonstrated experience in CMC development and regulatory submissions.

Experience managing external manufacturing partners preferred

Strong scientific and technical expertise in CMC disciplines

Knowledge of global regulatory guidelines (ICH, GMP)

Project leadership and stakeholder management

Risk assessment and problem-solving skills

Excellent communication and organizational skills

Are you interested? We are looking forward to receiving your online application

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 and CSL Plasma at

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

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

Full Time