Intern PR&D Active Pharmaceutical Ingredients (API)
Introduction to Ardena
As a leading Contract Development and Manufacturing Organization (CDMO), Ardena partners with pharmaceutical companies of all sizes—from emerging biotech to global industry leaders—united by the mission to help biopharma innovators navigate drug development with precision, quality, and speed, bringing their molecules from discovery to the clinic and market. Our fully integrated services span drug substance and drug product development, manufacturing, nanomedicine, clinical logistics, bioanalytical services, state research, fill & finish, and CMC regulatory support.
With a rapidly growing international footprint, Ardena is home to over 750 professionals across six strategic locations—Belgium (Ghent), the Netherlands (Oss and Assen), Sweden (Södertälje), Spain (Pamplona), and Somerset, New Jersey (the US). Our open and transparent culture is built on collaboration, ownership, and innovation, guided by our We CARE values. We foster a communicative environment where mutual respect, accountability, and excellence empower our team.
We are looking for skilled and motivated professionals eager to grow their careers in an exciting and fast-paced environment. Whether you’re an experienced expert or just starting out, Ardena provides a dynamic workplace where you can contribute to meaningful drug development projects, expand your knowledge, and be part of a global team committed to making a difference. As an international organization, we help you navigate a career path that expands your possibilities beyond borders, opening doors to personal and professional growth without limits. Your potential to grow is limitless with us.
If you are ready to take on new opportunities, work alongside industry experts, and contribute to the future of medicine, Ardena is the place for you.
For the Ardena Business Unit based in Oss, we are looking for an Intern
WHAT YOU WILL WORK ON
At Ardena you will work on chemical processes to make Active Pharmaceutical Ingredients (API).
In this internship you will learn about the chemical process development and scale-up of API and working in the pharmaceutical industry.
YOUR KEY RESPONSIBILITIES
- Perform (flow-)syntheses of small molecules in the laboratory
Develop and implement chemical processes in order to facilitate scale-up to the pilot plant. - You keep yourself up-to-date with the latest developments, insights and techniques
- You will report to the internship supervisor
YOUR PROFILE
- You are studying for a BSc or MSc degree with strong focus on (synthetic) organic chemistry.
• You are looking for a final internship in the pharmaceutical industry
• You have training in organic synthesis and know your way around a fumehood
• Preferably, you have hands-on experience with flow chemistry
• You like to learn and develop yourself
• You have good communication skills and are fluent in English
• You love creative thinking and pro-activeness
WHAT WE OFFER
At Ardena, we recognize that our people drive our success. We offer:
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• A true learning environment where you will have the ability to grow your skills
• A rapidly international developing and growing company with an interesting services, product and customer portfolio
• A dynamic working environment with nice colleagues
• Open, straightforward but also caring culture
• We are true to our values
• Daily fresh fruit
Starting date: September 2025
Internship duration: 5-6 months
HOW TO APPLY
Ready to start your career path with Ardena? Click the application button and join us in shaping the future of drug development!
- Department
- Research & Development
- Role
- Intern
- Locations
- Oss

Oss
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