Injection Mold Maker

Moldtronics, Inc.; Downers Grove (IL); On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Medical, dental, vision, and Rx

HSA

401(k) with company match

Company-paid basic life insurance

Disability insurance

10 Paid holidays

Paid time off

Employee Assistance Program (EAP)

Employee referral program

Job summary

Moldtronics, Inc. in Downers Grove, IL, seeks an experienced Injection Mold Maker for a hybrid mold building and precision CNC machining role.

You will collaborate with engineering, quality, and production teams to design, build, and maintain plastic injection molds using CAD models and blueprints. Responsibilities include operating CNC mills, lathes, EDMs, reading drawings, and performing precision inspections.

Qualifications

• 5+ years of injection mold making and/or mold repair experience.
• Ability to build plastic injection molds using CAD models, blueprints, and engineering drawings.
• Strong knowledge of injection mold construction, operation, maintenance, and repair.
• Ability to read and interpret mold designs, blueprints, CAD models, tolerances, and engineering specifications.
• Experience with mills, lathes, surface grinders, and standard Tool Room equipment.
• Strong precision machining, fitting, inspection, and troubleshooting skills.
• CNC experience required.
• CAD/CAM experience required.

Responsibilities

• Build and repair plastic injection molds from CAD models, blueprints, and engineering specifications.
• Operate CNC mills, vertical mills, sinker/orbital EDM machines, and surface grinders.
• CNC machine precision parts and components to specification.
• Create your own programs using Mastercam.
• Read and interpret blueprints, CAD models, and technical drawings with accuracy.
• Perform quality inspections using precision measuring equipment.
• Troubleshoot tooling and part-quality issues in collaboration with engineering and production teams.
• Assist with other related duties as required or assigned.
• Contribute to continuous improvement of mold design and manufacturing processes

Skills

Mold making

Blueprint reading

Troubleshooting

CNC machining

Mastercam

Independent work

Tools

Mills

Lathes

Surface grinders

EDM machines

CAD/CAM

Mastercam

Job description

Description

Moldtronics, Inc. is a privately held contract manufacturer located in Downers Grove, Illinois. Since 1955, we have specialized in custom injection molding, mold making, CNC machining, and manufacturing for customers across the aerospace, defense, medical, agriculture, IOT, and commercial industries.

Position Summary

We're seeking an experienced Injection Mold Maker to join our team in a hybrid role that combines mold building with precision CNC machining. You'll work directly with engineering, quality, and production teams to design, build, and maintain plastic injection molds while operating advanced CNC machining equipment.

Key Responsibilities

• Build and repair plastic injection molds from CAD models, blueprints, and engineering specifications
• Operate CNC mills, vertical mills, sinker/orbital EDM machines, and surface grinders
• CNC Machine precision parts and components to specification
• Create your own programs using Mastercam.
• Read and interpret blueprints, CAD models, and technical drawings with accuracy
• Perform quality inspections using precision measuring equipment
• Troubleshoot tooling and part-quality issues in collaboration with engineering and production teams
• Assist with other related duties as required or assigned.
• Contribute to continuous improvement of mold design and manufacturing processes

Schedule: Monday-Friday, 7:00 AM-4:00 PM
Location: Downers Grove, IL | Full-time | On-site

Benefits

Moldtronics offers a comprehensive benefits package, including:

• Medical, dental, vision, and prescription drug coverage
• Health Savings Account (HSA)
• 401(k) with company match
• Company-paid basic life insurance
• Disability insurance
• 10 Paid holidays
• Paid time off
• Employee Assistance Program (EAP)
• Employee referral program

Moldtronics, Inc. is an Equal Opportunity Employer.

Requirements

• 5+ years of injection mold making and/or mold repair experience.
• The ability to build plastic injection molds using mold designs, CAD models, blueprints, and engineering drawings.
• Strong knowledge of injection mold construction, operation, maintenance, and repair.
• Ability to read and interpret mold designs, blueprints, CAD models, tolerances, and engineering specifications.
• Experience with mills, lathes, surface grinders, and standard Tool Room equipment.
• Strong precision machining, fitting, inspection, and troubleshooting skills.
• Experience working to close tolerances using precision measuring equipment.
• CNC experience required.
• CAD/CAM experience required.
• Ability to work independently or with a team.