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.