Senior Biostatistician

The senior biostatistician executes diverse statistical tasks supporting the clinical development programs within argenx. 

About argenx

argenx is a global immunology company developing antibody-based medicines for patients suffering from severe autoimmune diseases and cancer. By translating immunology breakthroughs into innovative drug candidates, argenx is building a world-class portfolio of first-in-class antibodies in both early and late clinical-stages of development.

argenx is evaluating our lead candidate, efgartigimod, in multiple serious autoimmune indications and cusatuzumab in hematological malignancies in collaboration with Janssen, along with advancing earlier stage assets within its therapeutic franchises.

What we are looking for

For the expansion of our team, argenx is looking for a Senior Biostatistician. The senior biostatistician executes diverse statistical tasks supporting the clinical development programs within argenx. The tasks mainly focus on managing the statistical activities performed by the biometrics CRO and on guarantying by means of thorough review outstanding statistical quality.

You will be involved throughout the full clinical trial process, from study design and protocol writing, over defining the statistical analyses (SAP) to reviewing all study outputs and the CSR. 

Key Accountabilities/Responsibilities 

The senior Biostatistician is responsible for all clinical aspects for the assigned global clinical studies from preparation until archiving. The study responsibilities include: 

  • Serves as the responsible biostatistician on Phase I to III clinical trials. The trials can be relatively simple or complex. 
  • Contributes to clinical study synopses and protocols. 
  • Develops statistical analysis plans and/or performs senior review of statistical analysis plans. 
  • Reviews statistical analyses of other statisticians and interprets results from simple to complex clinical studies. 
  • Provides relevant input in the development and review of CRFs. 
  • Performs lead review and sets up internal QC of TFLs. 
  • Performs critical review of derived datasets specifications and derived datasets (ADaM). 
  • Contributes to clinical study reports. 
  • Reviews simple to complex randomization specifications and dummy randomization schemes. 
  • Participates in bid defense meetings. 
  • Participates in meetings with diverse regulatory authorities (FDA, EMA, PEI). 
  • Contributes to press releases and scientific papers. 

Desired Skills and Experience

  • Exhibits expertise in multiple statistical areas, the drug development process, SAS procedures and good programming practices. 
  • Fluent with other statistical software such as R, EAST, Winbugs is a plus. 
  • Thorough knowledge of and experience with CDISC standards is desired. 
  • Demonstrates ability to plan, supervise, implement and monitor the statistical processes for multiple clinical trials. 
  • Displays excellent communication skills with demonstrated leadership ability. 
  • Knowledge of ICH-GCP and other applicable legislation to successfully execute the clinical study. 
  • Master’s degree in statistics or biostatistics required. 
  • Minimum of 6-8 years of biostatistical experience desired. 
  • Experience in managing CROs and vendors is a plus 
  • Biotech experience is a plus 
  • Auto-immune and/or oncology clinical study background is a plus 


  • A competitive salary package with benefits;
  • A work environment in a human-sized, dynamic, rapidly growing biotech company

To apply

Please send your CV together with cover letter to

Your application and related information will remain strictly confidential.