Mechanical Design Engineer (Siemens NX)

About the role

AYES is seeking a Mechanical Design Engineer to join its Zurich team. You will be responsible for creating and developing mechanical components and assemblies using Siemens NX, supporting product development from concept through industrialisation.

Key responsibilities

• Develop and design mechanical parts and assemblies in Siemens NX.
• Create and maintain 3D models, 2D drawings, and technical documentation.
• Ensure designs meet technical requirements, quality standards and manufacturing constraints.
• Perform tolerance analysis and contribute to design optimisation.
• Support prototype building, testing and design validation activities.
• Participate in design reviews and technical discussions with cross‑functional teams.
• Collaborate with manufacturing, quality, supply chain and project management.
• Interface with suppliers and external engineering partners when required.

Required profile

• University degree in Mechanical Engineering, Mechatronics or a related field.
• Minimum 5 years of experience in mechanical design engineering.
• Strong proficiency in Siemens NX (mandatory).
• Experience in industrial product development environments.
• Good understanding of manufacturing processes and mechanical design principles.
• Fluent German and good command of English.

Required skills

• Siemens NX
• Tolerance analysis