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 energetic IT System Administrator 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 Li-ion battery energy density by 70% by using 10x thinner anodes

• improved cycle life to >450

• achieved fast charging to 60% in under 10 min!

We are currently still in an R&D phase, but we are ready to start the actual production of anode foil. LeydenJar Plant One will open in 2026.

Your mission
As a pivotal member of our team, your mission is to spearhead the management and maintenance of our IT workspace infrastructure, ensuring the seamless operation of our workspace systems. Your role will revolve around providing comprehensive technical support to end-users, troubleshooting and resolving a myriad of technical issues related to hardware, software, and network functionalities.

You will be tasked with overseeing the IT service desk software and tools, meticulously managing the IT incident and problems, and rigorously upholding the IT service level agreements (SLAs). Additionally, your responsibilities will extend to proficiently handling IT mobile device management and support, guaranteeing the optimal functioning of our diverse array of end-user devices, including desktops, laptops, and mobile devices.

In line with this, you will play a crucial role in managing our IT workspace infrastructure, ensuring the smooth operation of desktops, laptops, and mobile devices. Flexibility to work in both Leiden and Eindhoven locations is a requirement for the role, making mobility a crucial criterion.

About the job

This role entails a wide variety of tasks and responsibilities. Perfect if you are getting your energy from switching between tasks and topics! In short:

• Provide technical support to end-users, troubleshooting and resolving hardware, software, and network issues with the help of our IT support partners
• Manage the IT service desk software and tools
• Oversee IT incident and problem management processes
• Ensure adherence to IT service level agreements (SLAs)
• Have knowledge of ITIL way of working
• Handle IT mobile device management and support, including device enrolment, configuration, and security
• Manage the IT workspace infrastructure, including desktops, laptops, and mobile devices
• Manage remote access solutions such as virtual desktops and remote access software
• Ensure IT security and compliance for the workspace, including endpoint security and data encryption
• Conduct IT asset management and inventory, tracking and reporting on device usage and inventory
• Develop and maintain the IT service continuity and disaster recovery plan for the workspace
• Monitor and manage the performance of the IT workspace infrastructure
• Create, maintain, and manage knowledge base articles for efficient issue resolution
• Provide end-user training to facilitate seamless access to resources and tools
• Ensure smooth integration and management of software and tools within the workspace.
• Organize and manage Entra ID (Azure Active Directory)

About you

• You are experienced and skilled in It workspace management (at least 4 years of relevant work experience)
• You have at least MBO4 or a higher professional education (HBO) level of thought and work
• You get energy from managing a high variety of tasks and at the same time and know how to prioritize well to ensure you make your deadlines
• You have a strong eye for detail, are discrete and able to work with sensitive data and information
• You are resourceful and have an entrepreneurial mindset
• You like having multiple responsibilities where you balance working together with others with working independently 
• Fluency in English, verbally as well as in writing. A Dutch work permit is required.

What can you expect from us?

• Unique experience in a rapidly scaling VC-backed start-up environment
• High degree of autonomy and a chance to work on potentially world-changing technology that can be a game changer to a range of industries and a key enabler for the energy transition
• A total of 10% (on top and based on your monthly gross salary) will be paid by LeydenJar for pension and other insurances)
• You get 25 days of vacation per year (based on 40 hours working week)
• NS Business Card or reimbursement on 0.21 euro per km for commuting
• Access to OpenUp mental health platform
• Regular progress talks and support to reach your career goals
• Great colleagues; at LeydenJar you will be part of a multi-national, ambitious, innovative and entrepreneurial team/20+ different nationalities!/
• Thirsty Thursday – we have drinks every first Thursday of the month
• We host internal FUN events each year and offer personal development perks.
• We have fresh fruit delivered every Monday in both locations /Leiden and Eindhoven

Do you want to take on the challenge as IT System Administrator?

We are looking forward to your application!

If you'd like to learn more about LeydenJar 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.