Cell Assembly Engineer

at SOLiTHOR’s Centre of Excellence for SOLID-STATE rechargeable lithium battery technology.


Who we are

SOLiTHOR is a high tech company which is utilising 10 years of research carried out by imec, the prestigious Belgian R&D institute in nanoelectronics and digital technologies.

Building on this unique and patented research, SOLiTHOR is developing and aiming to commercialise the next solid-state lithium batteries for the electromobility sector. Our mission is to scale up our solid-state battery technology and apply it to electric vehicles – in the air, on land and sea.

To strengthen our growing team of engineers and technologists, we are looking for a motivated and talented Cell Assembly Engineer.

Main responsibilities

  •  Responsible for a multitude of steps post-electrode processing to assemble coated electrodes (anodes and  cathodes) into functioning battery cells
  • Coin cell and pouch cell assembly, including electrode blanking, stacking, tab welding, heat sealing/bagging, vacuum drying, electrolyte filling, vacuum sealing/degassing, and forming/activating prior to testing
  • Updating company databases with cell assembly metadata
  • Provide feedback to the team lead on assembly processing challenges, and provide recommendations when necessary
  • Support all cell development needs of internal R&D, pilot-production, and customer-development programmes
  • Maintain a clean and orderly work environment adhering to all Health, Safety and Environment guidelines

Skills and personality

We are looking for an entrepreneurial individual who has a hands-on approach to work - a creative problem solver who is motivated and passionate about the profession and is keen to work in a start-up environment.

Qualifications and experience

  • Master’s degree in Mechanical Engineering, Chemical Engineering, Materials Science, or a related field
  • Entry level position
  • Experience operating battery cell assembly equipment including electrode notching, lamination, tab and terminal welding (resistance, laser, ultrasonic), electrode stacking, and cell package sealing
  • Fluent in English

Other considerations

  • Results-driven and able to deliver quality output within tight deadlines
  • The ability to thrive in a start-up and ambitious environment where teamwork is key
  • Strong analytical mind and a comprehensive understanding of the relationships between processes, material and interface characteristics and the performance of those materials in the battery device
  • Strong communication and reporting skills. A good level of English is mandatory given the multinational character of the start-up.
  • Flexible and able to respond to rapidly changing (technological/technical) circumstances
  • Based in Belgium or willing to relocate

The opportunity

We offer you the opportunity to develop the next generation solid-state lithium batteries in a challenging environment. In doing so, you will take on a crucial role within our talented, passionate and multicultural team. You will have the opportunity to help build a company that will have a major global social impact.

SOLiTHOR not only offers you access to top class equipment and laboratory facilities, but also a competitive salary package with the following benefits:

  • Contract of indeterminate duration (40h/week, 12 additional holidays)
  • Meal vouchers worth €8/working day
  • Hospitalisation insurance
  • Group insurance
  • Home office compensation
  • Stock options


You will be based in Sint-Truiden, where you will be surrounded by like-minded, inspiring people. 


Interested to join our promising and challenging start-up?

To apply please send your CV to our HR officer Asho Brouckaert and include the job title in the subject line.

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