Ardena is a global Contract Development and Manufacturing Organization (CDMO) and Contract Research Organization (CRO) specializing in precision medicine development. Ardena supports pharmaceutical and biotechnology companies in bringing innovative, complex molecules from discovery to market.
The Ardena Group operates from five sites across Europe and the United States, employing more than 700 professionals. Ardena European sites are located in Oss and Assen (the Netherlands), Ghent (Belgium), and Pamplona (Spain). Ardena US facility is based in Somerset, New Jersey.
Our culture is built on openness, transparency, and ownership. We value collaboration, trust, and initiative, and we believe that strong teamwork and an open mindset are essential to delivering high-quality solutions in a highly regulated and fast-moving industry.
If you are motivated by meaningful work, enjoy collaborating with experts, and want to contribute to the development of medicines for unmet medical needs, Ardena offers an environment where you can truly make an impact.
For our bioanalytical laboratory in Oss we’re looking for an experienced and talented and experienced:
Associate Scientist Immunochemistry – ligand binding assays (32-40 hours)
As an Associate Scientist Immunochemistry you will contribute to the growth of our state-of-the-art laboratory in Oss, which focuses on advanced analytical testing for small and large molecules. Your role will consist of coordination of studies within the lab, combined with lab work like bioanalysis and validation.
Your primary location will be Oss, but you will travel frequently to our site in Assen, for training purposes, collaboration with cross-functional teams and project management.
Ready to apply? Please click on the application button.
Only candidates eligible to work in the EU will be considered for the position. Unfortunately, given the high volume of applications we receive for our vacancies, these professionals (not entitled to work in the European Union) will not be given a status update. Agency calls will not be appreciated.

We are a global provider of drug development and discovery services, encompassing drug substance, drug product, bioanalysis, and CMC regulatory services across small molecules, large molecules, and nanomedicines. Our six international locations offer comprehensive CDMO and BioAnalytical CRO services to a wide range of clients worldwide.
We recognize the intricate challenges associated with advancing a promising molecule from the laboratory to the patient. Our multidisciplinary team is eager to collaborate with you throughout your development process, utilizing specialized technologies to optimize formulation and manufacturing. We possess extensive expertise in spray drying, hot melt extrusion, and lipid-based formulations that enhance bioavailability and solubility. Additionally, our capabilities include polymeric, metal, and lipid nanoparticles for advanced drug delivery applications, as well as high-potency and controlled substance handling for highly specialized therapeutics.
At Ardena, all work adheres to the appropriate regulatory standards as you progress through the clinical development pathway. Please contact us to further discuss your clinical and scientific objectives and explore how we can work together.