Act as FenX’s on-site technical lead and industrialization representative at customer factories, ensuring successful commissioning, ramp-up, and performance delivery. Drive hands-on problem solving, coordinate stakeholders, and design/improve mechanical solutions for industrial and prototype equipment. Serve as the key link between customer site, suppliers, and FenX teams (incl. Switzerland). Tasks
• Hands‑on day-to-day technical support at customer factory; troubleshoot and resolve mechanical/process issues during commissioning and ramp-up.
• Drive implementation of practical technical solutions to reach agreed factory performance and reliability targets
• Design, adapt and improve hardware solutions (prototype + industrial scale); support rapid iteration and testing.
• Work closely with machinery suppliers on upgrades, extensions, and automation.
• Ensure alignment between on-site activities and internal engineering teams (regular interactions and travels to Switzerland)
• Maintain clear and structured reporting on technical issues, root cause analyses, corrective actions, implementation progress, and outcomes.
• Capture learnings and standardize solutions for rollout to future customer factories. Requirements
• Mechanical Engineer background (industrial equipment, machinery design).



Process / materials knowledge is a plus.
• Not afraid to get hands dirty; pragmatic, on‑site, solution‑oriented mindset.
• Experience in industrial environments, factory commissioning, or scale‑up projects is a strong asset.
• Ability to independently design, procure and implement mechanical solutions, from concept to industrial deployment.
• Competence in coordinating external suppliers and industrial service providers from specification through implementation.
• Fluent in Spanish and English; German is a plus.
• Willingness to be based at customer site most of the time + regular travel to Switzerland
• Comfortable working with operators, engineers, and suppliers. Benefits
• Impact: play a key role in ramping up our first industrial-scale factory and bring breakthrough technology into real-world operation.
• Growth: steep learning curve at the interface of process engineering, materials, and industrial scale-up in a fast-moving start-up.
• International exposure: work across Switzerland, Spain, and with integral partners.
• Team: join a hands-on, driven, and supportive team that values pragmatism, speed, and getting things done. Ready for the next step? Your path to innovation: Become part of FenX

📌 Factory Commissioning (España)
🏢 FenX
📍 España