ABOUT US
tozero is Europe’s leading deep-tech startup specializing in the recycling of lithium-ion batteries. We are committed to securing critical raw material independence and regenerating materials for a cleaner future. Our team combines cutting-edge engineering and bold business innovation to accelerate the global energy transition. ♻️
WHAT WE'RE LOOKING FOR
As a Mechanical Technician (m/f/x), you will play a key role in securing the safe and efficient operation of our mechanical systems while actively contributing to the build-up and optimization of a new plant. This role goes beyond classical maintenance: you will collaborate closely with our Engineering and R&D teams and take ownership in developing technical procedures and standards.
WHAT YOU CAN EXPECT
1. Maintenance & Optimization
* Execute preventive and corrective maintenance of mechanical equipment in accordance with the maintenance plan.
* Quickly identify and resolve faults using root cause analysis, helping to avoid recurrence.
* Proactively identify opportunities to improve system reliability and performance.
2. Installation & Commissioning
* Assemble and install new equipment and machinery based on technical documentation and manufacturer instructions.
* Perform functional tests, adjustments and commissioning activities.
* Support the SAT process and provide hands-on technical expertise during new installations.
3. Documentation & Process Build-up
* Contribute to the design and implementation of a maintenance management system (procedures, checklists, technical documentation).
* Accurately record maintenance tasks, fault reports, and inspections.
4. Safety & Compliance
* Ensure full adherence to tozero HSE procedures, German regulations (BetrSichV, DGUV, TRBS), and relevant standards (ISO, OSHA).
* Maintain a safe and well-organized working environment, especially in a chemical / industrial context.
5. Cross-Team Collaboration
* Coordinate with internal Engineering and R&D teams during technical interventions.
* Supervise and coordinate external contractors performing mechanical work on-site.
Your profile
Required Qualifications:
* Completed vocational training in industrial mechanics, mechatronics, or related technical field (Germany-recognized).
* Minimum 3 years of experience in mechanical installation, maintenance, and repair in industrial / chemical environments.
* Ability to interpret technical drawings and mechanical schematics.
* Hands-on experience with pumps, piping, welding and mechanical drive systems.
* English and German language proficiency (at least B1 level).
Preferred Qualifications:
* Experience in greenfield or scale-up facilities.
* Familiarity with maintenance management software.
* Valid forklift license (Staplerschein).
Why us?
* Complimentary Fitness Subscription – maintain strong energy levels and mental clarity over the long term
* Personal Learning Budget – proactively invest in the technical or business skills you need to solve tomorrow’s challenges
* Office Snacks & Beverages – stay fully focused during busy days without worrying about logistics
* Fully Subsidized Deutschlandticket – simplify your daily commute and stay flexible throughout Germany
* Fast-Paced Startup Environment – benefit from working alongside highly skilled peers in an environment designed for rapid development cycles
About us
Welcome to tozero, Europe's leading deep-tech startup in the recycling of lithium-ion batteries. With the goal of combating climate change and advancing the circular economy, we are actively developing sustainable recycling solutions for a clean and innovative future.