Senior Commissioning Engineer (m/f/x) | Deep Tech Startup

About Us

Welcome to tozero, Europe's leading deep-tech startup specializing in the recycling of lithium-ion batteries. Committed to accelerating decarbonization and transforming the material life‑cycle, we’re actively crafting sustainable recycling solutions for a cleaner and more innovative future.

What We're Looking For

We are looking for an experienced Commissioning Engineer with 7+ years of hands‑on experience to join our dynamic team. In this role, you will be responsible for developing commissioning strategy, schedules and procedures to drive our battery recycling processes. This is a great opportunity to contribute to cutting‑edge technology in a fast‑paced startup environment. We are looking for a person that has a strong sense of ownership, responsibility and is ready to make an impact.

What You Can Expect

• Develop and own commissioning strategy, schedules, procedures, and documentation for production process lines and supporting utilities.
• Coordinate with process engineering, construction, controls, and operations to ensure design intent is met during startup.
• Lead factory acceptance testing (FAT), site acceptance testing (SAT), dry runs, functional checks, and performance validation.
• Troubleshoot process, mechanical, electrical, and controls issues; drive rapid root‑cause identification and corrective actions.
• Define and implement safety protocols for commissioning activities, including LOTO, energization plans, and equipment readiness checks.
• Train operations and maintenance teams on equipment functionality and startup procedures.
• Manage vendors and contractors during commissioning and early operations.
• Build commissioning documentation packages for turnover and regulatory compliance.

Your profile

• Bachelor’s degree in engineering (chemical, mechanical, process, electrical, or related).
• 7+ years commissioning experience in industrial, chemical, battery, or energy‑related facilities. Pilot-to‑commercial scale experience preferred.
• Strong understanding of process equipment, automation systems, instrumentation, and safety systems.
• Demonstrated ability to work in fast‑paced startup environments and manage evolving scopes.
• Excellent troubleshooting and cross‑functional coordination skills.
• Ability to interpret P&IDs, control logic, process flow diagrams, and equipment specs.

Why us?

• Free Snacks and Drinks: Stay energized with a variety of snacks and beverages throughout the day.
• Jobticket: Enjoy a fully subsidized Deutschlandticket for convenient commuting across Germany.
• Wellpass: Access to a wide network of gyms, wellness centers, and fitness classes to support your health and well‑being.
• Dynamic Startup Environment: Be part of an exciting and fast‑paced startup culture, collaborating with experts in the field and contributing to cutting‑edge projects that make a real difference in sustainability.
• Build and have an impact: Work on Europe's battery independence and closing the loop to a real circular economy.