Looking for an experienced CAD / Mechanical Design Engineer to work on the mechanical design and internal layout of a floor-standing air purifier. Scope includes airflow-focused internal architecture, filter stack layout, blower/motor placement, and plastic enclosure design suitable for injection moulding. Emphasis on low noise, high airflow efficiency, minimal part count, and design for manufacturability. Experience with consumer appliances or HVAC products preferred. SolidWorks / Fusion 360 experience required.