ABOUT US

tozerois Europe’s leading deep-tech startup in lithium-ion battery recycling, driving decarbonization and the circular economy through innovative material recovery solutions.

We are on a mission to recover critical materials from end-of-life batteries and build a cleaner, more sustainable future.

WHAT WE'RE LOOKING FOR

As an electrical and/or mechatronics technician, you will be the technical backbone of our recycling plant. This role is for a true hands‑on professional with proven experience in both mechanical and electrical domains, capable of working independently in a demanding industrial environment, including high-voltage systems and complex equipment.

You will work directly on the shop floor, performing installations, maintenance, troubleshooting, and supporting production during ramp‑up and scale‑up phases.

In this role, you will play a key part in ensuring plant reliability, uptime, and safe operations, contributing directly to the build‑up and continuous improvement of our production site. Your cross‑functional expertise will make you a critical pillar of the maintenance and operations team.

KEY RESPONSIBILITIES

Mechanical

Installation & Assembly: Independently install, assemble, and commission a wide range of industrial equipment, machinery units, and complex piping systems.
Modifications & Upgrades: Execute technical modifications and plant improvements to optimize process performance and equipment integration.
Equipment Maintenance: Maintain, align, and troubleshoot pumps, motors, gearboxes, valves, and heavy process equipment.
Spare Parts Management: Identify, replace, and manage critical spare parts to ensure rapid recovery and minimal downtime.
Preventive Care: Execute and optimise preventive and corrective maintenance schedules across all mechanical assets.
Fabrication: Perform welding, machining, and metal fabrication as required for repairs or bespoke plant adjustments.
Diagnostics: Diagnose mechanical wear and tear, implementing sustainable technical solutions to extend equipment life.

Electrical

High‑Voltage & Safety: Safely manage high‑voltage systems and strictly enforce electrical safety (LOTO) and compliance.
Installation & Power: Install, wire, and commission electrical systems, control cabinets, and high‑voltage power distribution.
Infrastructure: Implement cable routing, conduits, and tray systems for power and signal lines.
Instrumentation: Maintain and calibrate sensors and actuators to ensure accurate process feedback.
Diagnostics & Upgrades: Perform structured fault‑finding and modify control logic or panels to improve plant automation.

General Maintenance and Ownership

Diagnose complex faults across mechanical and electrical systems and implement sustainable solutions.
Develop and actively execute preventive maintenance plans from scratch to improve equipment reliability and uptime.
Support installation, commissioning, and upgrades of new equipment and production systems.
Ensure strict compliance with safety standards (LOTO, high‑voltage procedures, etc.).
Maintain clear and accurate technical documentation.
Act as a reliable go‑to technician on the shop floor, supporting operations with minimal supervision.
Contribute to and actively improve the maintenance workshop (tools, equipment, layout, and processes), bringing in practical ideas to increase efficiency, organisation, and overall maintenance effectiveness.

Plant Operations and Production Support

Contribute hands‑on to commissioning, plant modifications, and installation of new production lines.
Support commissioning and ramp‑up activities by operating equipment, handling materials, and assisting daily plant operations as needed, ensuring safe and efficient execution.
Maintain high standards of safety, housekeeping, and compliance, while proactively improving equipment reliability, production processes, and site safety.

REQUIRED QUALIFICATIONS AND EXPERIENCE

Completed vocational training as a Mechatronics Technician, Industrial Electrician, or equivalent.
Several years of proven industrial experience in both mechanical and electrical maintenance.
Ability to read and interpret mechanical drawings, P&IDs, and electrical schematics.
Demonstrated ability to work independently across disciplines (not specialised in only one area).
Hands‑on experience with high-voltage systems (required).
Strong understanding of industrial equipment, piping systems, and electrical infrastructure.
Experience with PLC-based systems and industrial automation is a strong advantage.

WHAT WE EXPECT

You are a doer, not a trainee, and can execute safely and independently without constant guidance.
Strong ownership mindset with consistent, reliable delivery.
Comfortable switching between mechanical and electrical work as needed.
High awareness of safety standards, especially in high‑voltage environments.
Practical, solution‑oriented mindset suited for a fast‑paced industrial startup environment.
Flexibility: Willingness and ability to work in a shift system to support operations.

WHAT YOU CAN EXPECT

Your profile

Why us?

At tozero, we believe in providing a supportive and enriching work environment to help our team achieve top performance:

Free snacks and drinks in the office.
Jobticket with fully subsidised Deutschlandticket for commuting across Germany.
Dynamic startup environment working closely with experts in a fast‑moving deep‑tech company shaping the future of battery recycling and sustainability.

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