Machine Design Engineer

PREEN Technologies; United States; Remote; USD 95,000 - 130,000; Full time

Job summary

PREEN Technologies seeks an experienced mechanical design engineer to own the physical design of automated wash systems, integrating mechanical, electrical, pneumatic, and hydraulic elements for production-ready equipment. You will manage CAD, prototype builds, supplier coordination, and field testing across the product lifecycle.

Responsibilities include developing machine assemblies, refining pneumatic/hydraulic systems, and creating electrical layouts for cabinets and components, while

Qualifications

• Professional mechanical design experience with 3D CAD and mechanical assemblies.
• Experience designing pneumatic and hydraulic systems.
• Experience with electrical hardware for industrial machinery, including cabinets and component integration.
• Understanding of industrial machine safety and CE requirements.
• Experience managing suppliers and supporting prototype builds or commissioning.
• Fluent English.

Responsibilities

• Develop machine assemblies, support structures, component integrations, and production documentation.
• Design and improve pneumatic and hydraulic systems.
• Create electrical hardware designs and machine layouts, including cabinets and component integration.
• Coordinate with suppliers and support prototype assembly, commissioning, and installation work.
• Improve reliability, serviceability, and production readiness based on testing and field feedback.
• Work closely with robotics, controls, and software colleagues to deliver safe, dependable machines.

Skills

3D CAD

Mechanical design

Prototyping

English fluency

Tools

Pneumatic systems

Hydraulic systems

Electrical cabinets design

Job description

Role overview

Take ownership of the physical design of an automated wash system, bringing its mechanical, electrical, pneumatic, and hydraulic elements together into equipment that can be manufactured, commissioned, and maintained. The role spans the product lifecycle, from CAD and supplier coordination through prototype builds, field testing, and ongoing reliability improvements.

Responsibilities

• Develop machine assemblies, support structures, component integrations, and production documentation.
• Design and improve pneumatic and hydraulic systems.
• Create electrical hardware designs and machine layouts, including cabinets and component integration.
• Coordinate with suppliers and support prototype assembly, commissioning, and installation work.
• Improve reliability, serviceability, and production readiness based on testing and field feedback.
• Work closely with robotics, controls, and software colleagues to deliver safe, dependable machines.

Requirements

• Professional mechanical design experience with 3D CAD and mechanical assemblies.
• Experience designing pneumatic and hydraulic systems.
• Experience with electrical hardware for industrial machinery, including cabinets and component integration.
• Understanding of industrial machine safety and CE requirements.
• Experience managing suppliers and supporting prototype builds or commissioning.
• Comfortable working directly on prototypes and production equipment; fluent English.

Nice to have

Experience with industrial robots or robotic cells, PDM/PLM and change management, ERP or BOM workflows, DFM/DFA, cost optimization, or machinery used in wet, outdoor, or harsh environments. German is a plus.

Benefits and work setup

Full-time role, remote within Europe with an option to work from an office in the Zurich area. Travel may reach 30% for deployments, commissioning, testing, and collaboration. The work offers hands‑on involvement across design, suppliers, prototypes, and deployed machines, with influence over the machine platform and engineering practices.