Internship Milling Machine Operator Jobs in Chicago, IL

Matrix Plastic Products is a quality-driven custom manufacturer of ultra-precise plastic components and subassemblies for medical devices and other mission-critical applications. Our specialties are plastic injection molding, mold making, and assembly. Founded in 1978, we are looking for an experienced Milling CNC Programmer/Operator to help with programming, setting up, and operating CNC milling equipment to manufacture precision components for plastic injection molds. 

This position works closely with engineering, mold makers, EDM operators, and quality personnel to produce high-quality tooling that meets customer specifications, dimensional requirements, and production schedules.

Key Responsibilities:

• Program, set up, and operate CNC machining centers to manufacture precision mold components.
• Develop machining strategies using CAM software to maximize efficiency, tool life, and part quality for milling with 3-, 4-, and 5 -axis.
• Read and interpret engineering drawings, CAD models, GD&T, and work instructions.
• Select tooling, fixtures, workholding, and cutting parameters appropriate for the material and machining operation.
• Verify first-piece and in-process dimensions using precision measuring equipment including micrometers, calipers, bore gages, height gages, indicators, and advanced measurement equipment when applicable.
• Edit CNC programs at the machine as needed to improve performance or maintain dimensional accuracy.
• Machine hardened tool steels, stainless steel, and other materials commonly used in mold construction.
• Perform routine machine maintenance and maintain equipment in good working condition.
• Collaborate with mold makers, EDM operators, and engineering personnel during new mold construction, mold revisions, repairs, and engineering changes.
• Document programming revisions, setup information, tooling requirements, and inspection results.
• Maintain a clean, safe, and organized work area.
• Participate in continuous improvement initiatives to improve productivity, quality, and safety.
• Comply with all company safety policies, quality standards, and operating procedures.

Required Qualifications:

• High school diploma or GED required; technical degree or certificate in machining, manufacturing technology, or related field preferred.
• Three (3) or more years of CNC programming and machining experience in a precision manufacturing or mold making environment preferred.
• Experience manufacturing components for plastic injection molds strongly preferred.
• Proficiency with CAM software such as NX, SolidWorks, or similar.
• Ability to read and interpret blueprints, CAD models, and GD&T.
• Strong understanding of machining principles, cutting tools, feeds, speeds, workholding, and fixture design.
• Experience machining hardened tool steels and maintaining tight tolerances.
• Working knowledge of G-code programming and CNC machine controls.
• Strong problem-solving, organizational, and communication skills.
• Ability to work independently while contributing effectively within a team environment.

Physical Demands / Working Conditions:

• Ability to remain in a stationary position or move throughout the manufacturing facility during the workday.
• Frequently position oneself to load materials, set up fixtures, inspect machined components, and perform machine adjustments.
• Frequently operate CNC machinery, computers, CAM software, and precision measuring equipment requiring manual dexterity and hand-eye coordination.
• Frequently communicate with coworkers regarding work instructions, production status, quality requirements, and safety information.
• Ability to visually inspect machined components, tooling, machine displays, and measuring instruments, including distinguishing fine detail.
• Occasionally lift, carry, push, or pull raw materials, tooling, fixtures, and components weighing up to 50 pounds, with or without assistance. Mechanical lifting devices are available and should be used when appropriate.
• Work in a manufacturing environment with exposure to machine noise, metal chips, coolants, lubricants, airborne particulates, and varying temperatures. Appropriate personal protective equipment (PPE) is provided and required.
• May be required to work overtime or adjusted schedules to meet production demands.

Employment Verification:

Matrix participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

EOE, including disability/vets

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Compensation:

Pay: $25 - $35 per hour (depending on experience)

Hours:

Expected hours: 40 – 50 per week (Mon-Fri), depending on workload.  This position is in-person.

Benefits:

401(k)

401(k) matching

Dental insurance

Health insurance

Health savings account

Life insurance

Paid time off

Vision insurance