An NX Designer is a professional who uses Siemens NX software to create, modify, and optimize 3D models and engineering designs. They typically work in industries like automotive, aerospace, and manufacturing, designing components and assemblies based on technical specifications. NX Designers collaborate with engineers and product teams to develop accurate CAD models, perform design validations, and ensure manufacturability. Strong knowledge of CAD principles, engineering standards, and NX-specific tools is essential for this role.