This is a fully remote position , open to candidates based in Spain.
Role Title: Mechanical Engineer
Role Type: Contractor
Location: Remote
the company is selecting experienced Mechanical Engineer - AI trainers to contribute to a customer project focused on developing advanced AI systems for engineering applications. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required - your domain knowledge is what matters.
Produce detailed 3D CAD models of simple mechanical components using platforms such as SolidWorks, NX, Creo, or CATIA.
Contribute insights and feedback on conceptual stress analysis and finite element analysis (FEA) tasks, supporting model validation.
Review, critique, and enhance technical documentation and CAD outputs for accuracy and clarity.




Provide expert written and verbal feedback to help train and validate AI system outputs in the context of mechanical engineering.
Collaborate asynchronously with cross-functional teams via remote communication tools, ensuring project objectives are achieved.
5+ years of demonstrated, hands-on experience in mechanical design engineering, with a focus on 3D CAD modeling and FEA.
~ Proficiency in SolidWorks, NX, Creo, or CATIA, with a strong preference for contributors with multi-platform expertise.
~ Deep conceptual understanding of stress analysis, FEA principles, and engineering validation processes.
~ Knowledge of end-to-end engineering processes from requirements definition through to validation and documentation.

📌 Machinebouwer Werktuigbouwkunde (Madrid)
🏢 RemoteJobsOne
📍 Madrid