Open for applications

Freelance Sr. Clinical Trial Associate

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About the vacancy

Regulatory Affairs
Clinical R&D
Expert Master’s Degree (WO) Interim Part time Leiden, South Holland, Netherlands

About Your Next Job

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.


About Your Next Colleagues

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.


About Your Tasks and Responsibilities

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

About Your Skills and Experience

  • You hold a Master's degree in a life science related field
  • At least 5 years’ experience in a CTA role in a bio-pharmaceutical and/or CRO environment
  • Proven training in/knowledge of GCP and International Conference on Harmonization (ICH) Guidelines
  • Previous experience working with eTMF, EDC, IRT/RTSM, CTMS systems
  • Ability to independently manage documentation and team support needs
  • Computer skills including working knowledge of Microsoft Word, Excel, PowerPoint, and SharePoint

More about you:  

  • Pro-active, meticulous, self-starter
  • Effective time management and organizational skills  
  • Excellent communication skills in a multi-stakeholder environment  
  • Excellent verbal and written communication skills in English 
  • Currently residing in the Netherlands with EU work authorization  
  • Available for 32-40 hours per week until December 2026

About Your Benefits

This is a remote position; however, occasional travel to the Leiden office could be requested 1-2 times per month. Ideally, you can start as soon as possible, but we are willing to wait for the best candidate.


Where Molecules Meet Opportunities

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.


Only apply if...

You have at least 5 years’ experience in a CTA role in a bio-pharmaceutical and/or CRO environment together with proven training in/knowledge of GCP and International Conference on Harmonization (ICH) Guidelines as well as previous experience working with eTMF, EDC, IRT/RTSM, CTMS systems. You are currently residing in the Netherlands and available 32-40 hours a week until December.


You are eligible to work in EU

We only accept applicants who are eligible to work in the EU


Contact person

Maisi Man

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Leyden Labs is a Dutch biotechnology company employing a novel, non-vaccine approach to fight back against the threat of respiratory viruses. The goal is to provide unprecedented breadth of protection against respiratory viruses right in the palm of the hand of those who need protection the most. The company's product candidates are nasal sprays that are developed following the principles that they must provide protection right at the gate of viral entry (in the airway) and deliver superior breadth of protection. These product candidates offer an opportunity to overcome major limitations of existing vaccine-based protection.



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