ABOUT US
tozero is Europe’s leading deep-tech startup specializing in the recycling of lithium-ion batteries. Committed to securing critical raw material independence and regenerating materials, we are developing innovative and sustainable solutions for a cleaner future.
WHAT WE'RE LOOKING FOR
We are looking for an experienced (Senior) Manufacturing Engineer (m/f/x) to join our growing technical team.In this role, you will focus on the industrial-scale demo plant and support the industrialization of our hydrometallurgical recycling technology in an operational environment. You will work across equipment integration, detailed engineering, commissioning, start-up, and ramp-up to help translate technical concepts into reliable plant operations. This is an exciting opportunity to take ownership in a fast-paced startup environment and contribute directly to the deployment of cutting-edge recycling technology.
WHAT YOU CAN EXPECT
* Support the engineering, commissioning, start-up, and ramp-up of our industrial-scale demo plant
* Develop and refine manufacturing and plant concepts, including process layouts, block flow diagrams, and mass and energy balances
* Translate technical and process requirements into robust operational solutions for industrial-scale implementation
* Contribute to pre-feasibility, detailed engineering, and plant execution activities, including process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), and layout development
* Prepare technical specifications and data sheets for key equipment procurement
* Collaborate with internal teams, suppliers, and external partners to define technical requirements, milestones, and deliverables
* Plan and execute pre-commissioning, commissioning, start-up, and ramp-up activities
* Support troubleshooting and optimization of plant performance, reliability, and operability
* Plan and execute tests and validation activities on the industrial-scale demo plant
* Use simulations and engineering calculations to validate assumptions and support implementation decisions
* Test and qualify equipment at both company and supplier sites
* Help structure technical workstreams and project activities to achieve milestones on time and within scope
* Work closely with cross-functional teams across engineering, operations, and project execution
Your profile
* 5+ years of experience in manufacturing, process, production, or industrial engineering, ideally in chemicals, mining, metallurgy, recycling, or related industries
* Strong hands-on experience with commissioning, start-up, and ramp-up activities in an industrial environment
* Experience working on industrial plants, demonstration plants, or scale-up facilities
* Familiarity with industrial process equipment such as pumps, valves, tanks, piping systems, and other plant infrastructure
* Experience with engineering documentation such as PFDs, P&IDs, BFDs, technical specifications, and change management systems
* Proficiency in process modeling, simulation, and engineering calculations
* Strong troubleshooting and problem-solving skills in operational and project settings
* Ability to work independently while collaborating effectively with cross-functional teams
* Ideally familiar with industry-relevant standards and regulations such as PED, ATEX, Machinery Directive, REACH, Seveso, ISO 9001, and ISO 14001
* German language skills are a plus
* Passion for sustainability and interest in cleantech, manufacturing, and battery recycling
Why us?
At tozero, we believe in creating a supportive and dynamic work environment where you can grow, contribute, and make an impact.
* Fitness Subscription: Prioritize your well-being with a complimentary fitness subscription, promoting a healthy and active lifestyle.
* Education Budget: We encourage continuous learning and development. Benefit from an education budget to enhance your skills and knowledge.
* Free Snacks and Drinks in the Office: Stay energized throughout the day with a variety of snacks and beverages.
* Jobticket: Conveniently commute to work and all around Germany with our fully subsidized Deutschlandticket.
* Dynamic Startup Environment: Thrive in a highly dynamic startup culture, collaborating with experts in the field and contributing to innovative projects that shape the future
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.