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Freelance Sr. Clinical Trial Associate

Posted June 08, 2026
freelance experienced

Job Overview

In our Clinical Operations team, we currently have an opportunity for a 

FREELANCE SR. CLINICAL TRIAL ASSOCIATE (32 – 40 HOURS/WEEK) 

   

 

on a contract basis. This is a remote position at 0.8-1.0 FTE based in the Netherlands. The length of the contract is 6 months with the choice to renew after December. 

 

At Leyden Labs we want to deliver a future without the threat of respiratory viruses by developing accessible, self-administrable products, so people can take control and live their lives to the fullest by protecting themselves against catching infections and preventing transmission to others. We aim for the highest, think unconventionally and focus relentlessly on delivering the impossible. At Leyden Labs we are different, fast and focused. The Clinical Operations Team contributes to this mission by delivering innovative clinical trials fast and with high quality.   

 

This is what you’re going to do on a daily basis, and these are your responsibilities:  

As a freelance CTA, you  

  • will assist the Clinical Trial Teams in ensuring the most effective and efficient conduct of clinical trials by providing administrative and project tracking support, including eTMF maintenance.   

  • play an instrumental role by supporting the preparation, handling, distribution, collection and archiving of clinical study documents and reports, including contracts and invoices.  

  • are responsible for ensuring that all study files are periodically reviewed for completeness and maintained in accordance with Good Clinical Practices, applicable regulations and company procedures.  

  • interface with internal colleagues and external vendors and partners.  

  • work closely with the Clinical Operations Team to support the effective execution of clinical studies and maintain high standards of quality and compliance  

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