Your mission
As a Project Engineer, you will design and build the battery packs of the future:
•Create preliminary designs for battery packs with our core technology for different sets of requirements and applications
•Translate these preliminary designs into production ready designs
•Organize the sourcing and production of parts for prototype packs
•Supervise the manufacturing and testing of prototype packs
•Develop improvements of our existing technology, as well as novel ideas
• As a Senior, you additionaly take end-to-end responsibility for complex battery pack projects, coordinate internal and external stakeholders, and strategically drive technical innovation
Your profile
We are looking for Project Engineers (Full-time) to join our team:
•You have a degree in Mechanical Engineering, Electrical Engineering, Mechatronics or a related field
•Ideally, you already have work experience in industry, especially in the design of battery systems
•You are proficient in CAD, as well as fluid and/or structural simulation
•You communicate clearly and confidently in both German and English and have strong presentation skills
•You like to go hands-on in the workshop or testing facility
•You are passionate about mobility, sustainability, and deep tech
•Level of entry depending on professional working experience: As a Senior, you have several years of experience in developing complex technical systems (ideally battery systems) and take technical responsibility within interdisciplinary projects
Why us?
At leitspalt, you’ll shape the future of electric mobility from the ground up.
You’ll work in a fast-moving startup environment where your ideas matter and execution counts.
We offer:
•High level of ownership and responsibility
•Flexible working hours and hybrid work
•Opportunity to get into leadership positions quickly
•30 days of vacation and Rosenmontag as extra holiday
•A supportive, ambitious, and visionary team
•Open feedback culture, team events, and real startup spirit
About us
leitspalt is a deep-tech startup based in Aachen, developing next-generation battery systems for mobility applications.
Our patented cooling technology enables ultra-fast charging (<10 minutes) while reducing manufacturing costs by up to 20% — paving the way for more efficient and sustainable EVs. We’re a young and ambitious team of entrepreneurs and engineers, scaling quickly and building strong partnerships with leading OEMs and Tier-1 suppliers. At leitspalt, we combine engineering precision with entrepreneurial drive to accelerate the transition to an electric future.