Laboratory Technician - Battery R&D Leiden| Full-time| On-site

At LeydenJar Technologies , we’re on a mission to redefine the future of energy storage. Our goal is to become the world’s innovation leader in advanced battery anodes, empowering the next generation of batteries that drive progress.

We are looking for a dedicated Laboratory Technician to support our pre-pilot battery cell manufacturing operations. If you enjoy hands-on work with cutting-edge equipment and take pride in precision and efficiency, this role is for you. You will become part of a young, international, and ambitious team driven to make a real impact toward a more sustainable future powered by clean energy.

What will you be doing?

• Support the production and testing of next-generation battery cells.
• Capture and analyse production and test data.
• Maintain equipment and ensure efficient lab operations.
• Help create a safe, clean, and well-organised working environment.
• Manage materials and inventory to keep production running smoothly.
• Drive improvements in lab processes, safety, quality, and efficiency.