Mold Designer
Job in
Saint Paul, Ramsey County, Minnesota, 55199, USA
Listed on 2026-09-13
Listing for:
Management Recruiters of Tallahassee
Full Time
position Listed on 2026-09-13
Job specializations:
-
Engineering
CAD/ AutoCAD/ Mechanical Design, Manufacturing Engineer, Injection Molding
Job Description & How to Apply Below
The Mold Designer is responsible for the design and development of injection molds for plastic components, from concept through final production-ready tooling. This role requires hands‑on proficiency with Cimatron for mold design, core/cavity development, and CNC toolpath generation, along with a strong understanding of mold making principles, plastic part design, and manufacturing processes.
Key Responsibilities- Design injection molds (single and multi‑cavity, family molds, hot runner and cold runner systems) using Cimatron
- Perform core/cavity splits, parting line development, and DFM (Design for Manufacturability) reviews on customer part models
- Generate detailed mold component drawings, BOMs, and assembly documentation
- Develop CNC toolpaths within Cimatron for mold base and insert machining
- Collaborate with tooling engineers, mold makers, and process engineers to resolve design and fit issues during build and tryout
- Incorporate ejection systems, cooling layouts, gating, and venting into mold designs
- Review and interpret customer-supplied CAD data (Solid Works, Creo, CATIA, NX) and translate into moldable geometry
- Support mold sampling, first-article inspection, and design revisions based on tryout results
- Maintain design standards, mold base libraries, and component databases within Cimatron
- Estimate design and build timelines for quoting purposes
- 3+ years of mold design experience in an injection molding or mold making environment
- Proficiency in Cimatron (mold design and/or CAM modules) required
- Strong understanding of plastic materials, shrinkage, and part design principles
- Experience with core/cavity design, hot runner systems, and standard mold components (DME, Progressive, Hasco, etc.)
- Ability to read and interpret 2D drawings and 3D models
- Familiarity with GD&T
- Associate's degree or technical certification in Tool & Die, Mold Design, or Mechanical Design
- Experience with additional CAD/CAM platforms (Moldflow, Solid Works, NX)
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