Principal Biostatistician

CSL's R&D organization is accelerating innovation to deliver greater impact for patients. With a project-led structure and a focus on collaboration, we're building a future-ready team that thrives in dynamic biotech ecosystems. Joining CSL now means being part of an agile team committed to developing therapies that make a meaningful difference worldwide.

Could you be our next Principal Biostatistician? The role is based in our King of Prussia, PA or Waltham, MA locations. This is a hybrid position and is onsite a minimum of 3 days per week.

Position Purpose:

You will lead components of statistical contribution to a clinical development program. The Principal Biostatistician will implement statistical strategies for clinical trials and regulatory submissions within the program, and is accountable for the statistical deliverables

Main Responsibilities:

• Input to statistical strategy and ensure appropriate statistical methodologies applied to study design and data analysis for clinical trials and regulatory submissions

• Lead components and fully support Biostatistics conduct in study design, protocol development, data collection, data analysis, reporting, and submission preparation

• Author the initial statistical analysis plan for clinical trials and regulatory submissions. Be accountable for timely completion and quality of the statistical analysis plan.

• Support Biostatistics interactions with regulatory authorities (eg FDA, EMA, PMDA)

• Be responsible for interpreting analysis results and ensuring reporting accuracy

• Manage outsourcing operations or work with internal statistical programmers within the responsible projects. Ensure timeliness and quality of deliverables by CRO/FSP. Conduct reviews of deliverables to ensure quality.

• Be accountable for the TFL/CDISC package for study report and regulatory submission

• Provide statistical thought partnership for innovative study design and clinical development plans, including Go-No Go criteria and probability of technical success calculations

Minimum Qualifications and Experience Requirements:

• PhD or MS in Biostatistics, Statistics

• 7+ years or relevant work experience in the pharmaceutical industry and/or CRO

• Experience either managing a CRO, or having worked in a CRO

• Experience providing statistical leadership at a study level

• Demonstrated statistical contribution in facilitating and optimizing clinical development

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 .

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CSL makes all employment decisions without regard to race, color, religion, national origin, ancestry, age, sex, gender, pregnancy, disability, marital status, sexual orientation, gender identity, genetic information, military status, protected veteran status (specifically status as a disabled veteran, recently separated veteran, armed forces service medal veteran, or active duty wartime or campaign badge veteran) or other classification protected by applicable US federal, state or local law. CSL complies with all applicable employment laws, including but not limited to Title VII of the Civil Rights Act of 1964, the Americans with Disabilities Act, the Fair Labor Standards Act, and the Immigration Reform and Control Act.