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Injection Molding Engineer

Job in Rohnert Park, Sonoma County, California, 94928, USA
Listing for: Top Quality Recruitment (TQR)
Full Time position
Listed on 2025-11-08
Job specializations:
  • Engineering
    Manufacturing Engineer, Injection Molding
  • Manufacturing / Production
    Manufacturing Engineer, Injection Molding
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

The Injection Molding Engineer will be responsible for owning and driving mold development and injection molding projects through adherence to established product design, injection molding processes, tooling, resin, and equipment models.

Key Activities
  • Assist in setting up robust injection molding processes on multi-cavity molds and insert molding
  • Develop and maintain strong working relationships with functional groups (R&D, ME, Quality Operations, Supply Chain, and Regulatory)
  • Experienced in the ability to partner and coordinate supplier qualification activities (PPAP, IQ, OQ, PQ, DOE, etc.) to meet the requirements of the application
  • Understands limits/fits, tolerance stack‑up analysis. Highly experienced in Geometric Dimensional Tolerancing (GDT) and application for inspection setup and tolerancing allowances of molded components
  • Proficient in generating qualification requirements and reports for injection‑molded components
  • Use and understanding of Statistical Tools (DoE, Gage R&R, SPC)
  • Provide mentoring, training, and design guidance in the development and deployment of injection molding tooling, and for successful cable designs
  • Collaborate cross‑functionally with team members (i.e., R&D, Regulatory, Suppliers/Contract Manufacturers, Marketing, Biocompatibility, and Operations)
  • Designs, develops, and implements injection mold machinery and equipment, tools, dies, gauges, jigs, fixtures, prototype model production, and machine attachments required for production or experimental use, considering such factors as accessibility, economy, mobility, and performance requirements
  • Shall use CAD/CAM design tools and simulation software (Mold Flow analysis)
  • Collects and provides metrics, data for mold operations and SPC
  • Adheres to company best practices for design and process control methodologies for all production tooling
Preferred Skills
  • Experienced leader of cross‑functional teams, including R&D, Marketing, Manufacturing, Regulatory, Quality, Sourcing, and Supply Chain through qualification processes
  • Is familiar with RJG Master Molder (or equivalent) and Design of Experiments for mold
Educations & Experience
  • Bachelor's degree in a relevant engineering field with a minimum of 3 years of experience in injection molding process development.
  • Strong understanding of injection molding processes on multi-cavity molds and insert molding.
  • Solid understanding of Plastic Part Design, Injection Molding Guidelines.
  • Experience with process simulation and analysis tools, and the ability to interpret engineering documents, including Mold Flow.
  • Knowledge of both Crystalline & Amorphous plastics (examples include polycarbonate, acrylic, PVC, Nylon, and Copolyesters).

TQR is an equal-opportunity employer that encourages diversity. We will consider all applications.

Accommodation for applicants with disabilities is available upon request.

We thank all applicants for their interest and appreciate the time and effort involved; however, due to the large volume of resumes received only those candidates selected for an interview will be contacted. Please attached your resume to your application.

Job

Seniority level

Associate

Employment type

Full-time

Job function

Manufacturing and Engineering

Industries

Plastics Manufacturing

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