Injection Mold Maker

100Hires, Inc.; Downers Grove (IL); Hybrid; USD 85,962,000 - 128,943,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) with company match

HSA

Paid holidays

Paid time off

Job summary

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

You will design, build, and maintain plastic injection molds while collaborating with engineering, quality, and production teams to meet strict specifications. The position requires 5+ years of mold making/repair, strong CAD/CAM skills, and hands-on experience with CNC mills, EDMs, and surface grinders.

Qualifications

• 5+ years of injection mold making and/or mold repair experience.
• 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.
• 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.
• Read and interpret blueprints, CAD models, and technical drawings with accuracy.
• Perform quality inspections using precision measuring equipment.
• Troubleshoot tooling and part-quality issues with engineering and production teams.

Skills

Mold making

Mold repair

CNC machining

Blueprint reading

Precision measurement

Troubleshooting

Quality inspections

Tools

Mastercam

Solidworks

CNC milling

EDM

Surface grinder

Job description

About MoldtronicsMoldtronics, 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 SummaryWe'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 ResponsibilitiesBuild and repair plastic injection molds from CAD models, blueprints, and engineering specificationsOperate CNC mills, vertical mills, sinker/orbital EDM machines, and surface grindersCNC Machine precision parts and components to specificationCreate your own programs using Mastercam.Read and interpret blueprints, CAD models, and technical drawings with accuracyPerform quality inspections using precision measuring equipmentTroubleshoot tooling and part-quality issues in collaboration with engineering and production teamsAssist with other related duties as required or assigned.Contribute to continuous improvement of mold design and manufacturing processesQualifications5+ 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.Compensation & Schedule$30.00–$45.00 per hour, depending on experience and skills.Full-timeMonday–Friday7:00 AM–4:00 PMOn-site in Downers Grove, IllinoisOvertime may be available based on production needs.BenefitsMoldtronics offers a comprehensive benefits package, including:Medical, dental, vision, and prescription drug coverageHealth Savings Account (HSA)401(k) with company matchCompany-paid basic life insuranceDisability insurance10 Paid holidaysPaid time offEmployee Assistance Program (EAP)Employee referral programMoldtronics, Inc. is an Equal Opportunity Employer.You should be proficient in:Mechanical Troubleshooting SkillsManual Machining SkillsTool/Die/Mold Repair SkillsInjection Molding ExperienceBlueprint ReadingClose-Tolerance MachiningCNC MachiningEDM MachiningInjection Mold DesignInjection Mold Making / Mold MakingMold Building / Mold ConstructionMold Fitting & AssemblyMold TroubleshootingMachines & technologies you'll use:CNC Mill (3-4 axis VMC) (Haas)Surface Grinder (Okamoto)CNC Lathe (2-4 axis) (Haas)Manual Vertical Mill (Bridgeport)CAD Software (Solidworks)CAM Software (Mastercam)CNC Lathe (2–4 Axis)EDM – Sinker EDM