Laboratory Technician (battery R&D) Leiden

Do you want to contribute to a more sustainable world? Are you excited to help shape the future of battery technology and consequently the future of consumer electronics and mobility? Can you not wait to dive into a VC-backed deep tech scale-up with the ambition to change the world?

We are looking for an enthusiastic On-callLaboratory Technician to join our innovative and ambitious organization.

About LeydenJar

LeydenJar is a high-tech company, developing pure silicon anodes for a lithium-ion battery that will change the world. We are proud that, here at LeydenJar, we:

Boost lithium-ion battery energy density by 70% by using 10x thinner anodesImproved cycle life of cells >450 cyclesAchieved fast charging to 60% in under 10 min!

We are currently exiting R&D phase, and are moving towards commercialproduction of anode foil. LeydenJar Plant One will open in 2026.

We are looking for a dedicated Laboratory Technician to support our pre-pilot battery cell manufacturing operations, someone who enjoys working with high-tech equipment and working with their hands,and can ensure that manufacturing processes are carried out precisely and efficiently.You will be part of a young, international and ambitious team that is determined to make an impact towards a better world with cleaner energy.

You will be responsible for:

Production ofbattery cells in the lab;Logging/processing data from the production builds;Executing tests of battery cells using electrical equipment;

Working according tolab planning and carrying out tasks to remain on schedule;Maintenance of assigned machinery;

Ensuring that the lab is a clean and safe environment, by adhering to all Health, Safety and Security guidelines and procedures;

Stock-taking and ordering materials;

Continuous improvement ofprocedures and safety in the lab.

What we expect from you:

You are detailed and thorough;

You like being hands-on and don't enjoy sitting behind a desk all day;

You have a positive attitude and are full of energy. You are a driving part of our Lab in Leiden, and you want to make it run even better and safer;

You carry out plans as agreed, but you are flexible to change as required;

And the following qualifications:

Applied science/College (MBO/HBO) degree in a technical discipline;

Good communication skills in English;

Experience in a chemical /mechanical and / or electrical lab is a plus;

Experience with some coding (Python) is a plus;

Experience with HSE implementation in a lab/workshop environment;

Capability of CAD drawing is a plus;

Good skills in MS Excel / Word / PowerPoint, and fine with learning new IT apps;You are anEU citizen (so you can freely work in The Netherlands) or you arein possession of a valid residence permit to work in The Netherlands.

Why LeydenJar?

Unleash your potential: Dive into a realm where personal growth meets ownership, with the backing to achieve your career aspirations.

Benefits beyond the basics: Enjoy a treasure trove of perks, from a comprehensive pension plan to travel reimbursement, insurance coverage, and even a mental health platform. And yes, there's fresh fruit every Monday because why not?

Thirsty for Fun: Join us every first Thursday for 'Thirsty Thursday,' where we unwind and share good vibes in a laid-back setting!

Fun with a purpose: Dive into our calendar of internal events, mixing business with pleasure, and fuel your personal development with exclusive trainings and courses.

Are you ready to take on the challenge as a Laboratory Technician?

We are looking forward to your application!

If you'd like to learn more about LeydenJar's amazing team, see below:

At LeydenJar we value diversity, and we provide equal opportunities to all applicants without regard to race, color, ethnicity, religion, gender, pregnancy/childbirth, age, national origin, sexual orientation, disability, etc. If there are two or more applicants of equal suitability for a certain position, LeydenJar can under circumstances decide to select applicants based on positive discrimination in full compliance with all relevant and applicable law.

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