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Plastic Injection Molding Jobs in Rochester, MI (NOW HIRING)

MMI Engineered Solutions

Process Engineer

Warren, MI · On-site

The ideal candidate will have a at least eight (8) years of successful experience in plastic injection molding processing and a demonstrated knowledge of Scientific Injection Molding techniques. The ...

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Plastic Injection Molding information

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How much do plastic injection molding jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for plastic injection molding in Rochester, MI is $16.90, according to ZipRecruiter salary data. Most workers in this role earn between $14.18 and $19.04 per hour, depending on experience, location, and employer.

What is plastic injection molding?

Plastic injection molding is a manufacturing process used to produce parts by injecting molten plastic material into a mold. The process involves melting plastic pellets, injecting the liquid into a custom-designed mold cavity, and then cooling the material until it solidifies into the final shape. This method is widely used due to its ability to produce high volumes of identical parts with complex shapes and fine details. It's commonly used in industries such as automotive, consumer goods, electronics, and medical devices.

What are some common challenges faced by plastic injection molding technicians, and how can they be addressed?

Plastic Injection Molding Technicians often encounter challenges such as machine downtime, material inconsistencies, and maintaining product quality. Addressing these requires strong troubleshooting skills, attention to detail, and good communication with maintenance and quality control teams. Proactively inspecting equipment, adhering to preventive maintenance schedules, and collaborating closely with engineers help minimize defects and ensure efficient production. Continuous learning and staying updated with new molding technologies also support long-term success in this role.

What are the key skills and qualifications needed to thrive as a plastic injection molding technician?

To thrive as a Plastic Injection Molding Technician, you need a solid understanding of manufacturing processes, mechanical aptitude, and familiarity with material properties, usually supported by a high school diploma or technical certification. Proficiency in using injection molding machines, process control software, and quality inspection tools is essential. Attention to detail, problem-solving skills, and effective communication help you stand out in this role. These skills ensure the efficient production of high-quality parts, minimize downtime, and maintain safety and productivity on the manufacturing floor.

What is the difference between Plastic Injection Molding vs Plastic Mold Designer?

AspectPlastic Injection MoldingPlastic Mold Designer
Primary RoleManufactures plastic parts by injecting molten plastic into moldsDesigns and develops molds used in plastic injection molding processes
Required SkillsMachine operation, material knowledge, quality controlCAD design, mold design, engineering principles
Work EnvironmentFactories, manufacturing plantsDesign studios, engineering offices
CertificationsMachine operation, safety certificationsCAD software certifications, engineering credentials

While Plastic Injection Molding involves the actual manufacturing of plastic parts, Plastic Mold Designers focus on creating the molds used in this process. Both roles are essential in the plastic manufacturing industry, with overlapping skills in engineering and design, but they differ in daily tasks and work environments.

What are popular job titles related to Plastic Injection Molding jobs in Rochester, MI?

For Plastic Injection Molding jobs in Rochester, MI, the most frequently searched job titles are:

What job categories do people searching Plastic Injection Molding jobs in Rochester, MI look for?

The top searched job categories for Plastic Injection Molding jobs in Rochester, MI are:

What cities near Rochester, MI are hiring for Plastic Injection Molding jobs?

Cities near Rochester, MI with the most Plastic Injection Molding job openings:

Plastic Injection Molding jobs near you
Infographic showing various Plastic Injection Molding job openings in Rochester, MI as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, 2% Contract, and 2% Nights. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $35,151 per year, or $16.9 per hour.

Injection Molding Production Supervisor

MMI Injection Molding

Warren, MI • On-site

$70K - $75K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 7 days ago

Job description

Injection Molding Production Supervisor

Picture the start of your week at our Warren, MI facility: you walk the floor, greet a cross-functional team that trusts your judgment, and scan the boards to verify the plan for D Shift is locked in. You confirm labor alignment, spot-check a mold change, and coach a tech through an adjustment to keep quality on target. By mid-shift, you’ve validated safety checks, updated production notes, and huddled with Quality and Engineering to solve a materials variance—keeping throughput on track and costs in check.

About MMI

MMI is a plastic injection molding and engineering solutions company headquartered in Saline, Michigan, with additional offices in Troy, Warren, and Monterrey, Mexico. We provide engineering solutions for advanced composites and engineered resins across multiple industries. Our mission: Deliver a Quality Product, On Time, at a Competitive Price. We value an inclusive, friendly culture where collaboration fuels innovation.

The Role

We’re hiring a hands-on leader to guide shift operations on the manufacturing floor in Warren, MI. You will champion safety, quality, and performance while coordinating closely with Scheduling, Engineering, and Quality.

D Shift Schedule

Monday–Wednesday, 12:00am–6:15am and Thursday/Friday or Saturday/Sunday, 6:00pm–6:15am.

What You’ll Own
  • Lead and support team members to achieve safety, quality, and production targets.
  • Deploy labor, manage mold changes, and set up the floor to meet the production plan.
  • Ensure adherence to standardized work, quality verifications, and all safety policies.
  • Oversee setup and operation of injection molding machines and auxiliary systems.
  • Track performance; escalate issues that risk output, quality, or cost.
  • Drive 5S and lean practices to maintain an orderly, efficient workplace.
  • Troubleshoot process, equipment, and material issues in real time.
  • Maintain complete documentation and clear shift-to-shift communication.
Qualifications
  • 3–5 years of supervisory experience in an injection molding environment.
  • Strong command of molding variables (pressure, heat, material flow).
  • Proven people leadership: coaching, feedback, and team development.
  • Mechanical/process troubleshooting and problem-solving strengths.
  • Microsoft Office proficiency (Excel, Outlook, Word); IQMS ERP experience is a plus.
  • Clear communicator of standards, procedures, and expectations.
  • Excellent organization and attention to detail in a fast-paced setting.
  • Experience managing team timecards.
  • Maintenance background in plastic injection molding preferred.
Work Environment & Expectations
  • Significant physical activity: frequent reaching, lifting, extended standing (7+ hours), walking, and stepping in/out of equipment.
  • Typical manufacturing setting—can be hot, noisy, and dusty.
  • Authority to take corrective action when processes or safety rules are not followed.
  • Empowered to stop production if parts do not meet quality standards.
Rewards & Growth
  • Comprehensive benefits: Medical, Dental, Vision, Company-Paid Short- and Long-Term Disability, robust Wellness Program, tuition reimbursement, and a 401(k) with company match.
  • Three (3) weeks of Paid Time Off (PTO).
  • Up to ten (10) paid holidays, including one diversity holiday.
  • Perfect Attendance and Employee Referral Bonuses (up to $200 per referral).
  • Career growth and training opportunities for energetic, career-minded individuals.

Join our team and help us deliver dependable service and operational excellence to our customers.

This is a Salaried Non-Exempt position, paying overtime for hours worked over 40 per week.

MMI Engineered Solutions is an equal opportunity employer