Hardware & Science Jobs at cylib GmbH

cylib GmbH is a battery recycling company. It transforms end-of-life lithium-ion batteries and production scrap into marketable raw materials. The company covers all process steps from discharging batteries to hydrometallurgical extraction, including processing of production scraps and black mass. Its process recovers all elements in lithium-ion batteries, using a proprietary water-based method for lithium and graphite recovery. cylib was founded at RWTH Aachen University. The company operates with 100% renewable electricity and targets a lower-carbon alternative to raw material extraction for a circular European battery value chain.

• Chemical Laboratory Technician (m/f/d) in Hydrometallurgy for Battery Recycling: Aachen, posted 20 July 2026.

cylib GmbH is also hiring in operations (4), finance and legal (1) and sales and business development (1).

Its roles are in Aachen, Germany (5) and Wernberg-Köblitz, Germany (2).

You are often the first person to build, test or fix the thing. Lab and field work sit side by side, and results feed straight back into the design. A large employer would give you one instrument and one protocol, and an early startup gives you the whole bench.