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Plastic Injection Molding Manager Jobs in Missouri

The Operation Manager is responsible for leading all day-to-day manufacturing operations with an plastic injection molding facility, ensuring safety, quality, delivery, and cost objectives are met.

Prefer plastic injection molding (part design and processing) experience * Automated and plastic materials experience * Strong technical project management, manufacturing engineering, statistical ...

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Manufacturing Engineering Manager

Riverside, MO ยท On-site

$106K - $132K/yr

Prefer plastic injection molding (part design and processing) experience * Automated and plastic materials experience * Strong technical project management, manufacturing engineering, statistical ...

Molding Technician

Kansas City, MO ยท On-site

$27 - $35/hr

Injection molding, molding technician, mold changeover, mold setup, mold technician, plastic molding, injection mold, auxiliary equipment, overhead crane, valve gate, hot runner, cooling system ...

Injection Molding Process Technician

Kansas City, MO ยท On-site

$24.50 - $29.25/hr

Assists packaging manager and project employees * Documents machine and sampling records ... Min 2 years' experience in Injection Molding * Experienced in either Toolmaking, Mechanic or ...

Molding Technician

Kansas City, MO ยท On-site

$27 - $35/hr

Injection molding, molding technician, mold changeover, mold setup, mold technician, plastic molding, injection mold, auxiliary equipment, overhead crane, valve gate, hot runner, cooling system ...

Injection molding, molding technician, mold changeover, mold setup, mold technician, plastic molding, injection mold, auxiliary equipment, overhead crane, valve gate, hot runner, cooling system ...

Prefer plastic injection molding (part design and processing) experience. * Automated and plastic materials experience. * Strong technical project management, manufacturing engineering, statistical ...

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Plastic Injection Molding Manager information

What does a plastic injection molding manager do?

A Plastic Injection Molding Manager oversees the daily operations of injection molding production in a manufacturing facility. They are responsible for managing staff, ensuring product quality, optimizing machine efficiency, and maintaining safety standards. The manager also coordinates production schedules, oversees maintenance of equipment, and implements process improvements to maximize productivity and reduce waste. Additionally, they may handle training, budgeting, and compliance with industry regulations.

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

Plastic Injection Molding Managers often encounter challenges such as maintaining consistent product quality, reducing machine downtime, and managing production schedules to meet tight deadlines. Addressing these issues typically involves implementing preventive maintenance programs, training staff on best practices, and closely monitoring quality control metrics. Successful managers also foster strong communication between engineering, maintenance, and production teams to quickly resolve issues and ensure smooth operations.

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

To thrive as a Plastic Injection Molding Manager, you need expertise in molding processes, quality control, and production management, typically supported by a technical degree or relevant industry experience. Familiarity with injection molding machinery, process monitoring software, and lean manufacturing systems is essential. Strong leadership, problem-solving, and communication skills help drive team performance and resolve production challenges. These skills ensure efficient operations, high-quality output, and a safe, productive manufacturing environment.
What are popular job titles related to Plastic Injection Molding Manager jobs in Missouri? For Plastic Injection Molding Manager jobs in Missouri, the most frequently searched job titles are:
What cities in Missouri are hiring for Plastic Injection Molding Manager jobs? Cities in Missouri with the most Plastic Injection Molding Manager job openings:
Infographic showing various Plastic Injection Molding Manager job openings in Missouri as of July 2026, with employment types broken down into 85% Full Time, 14% Part Time, and 1% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution.

Senior Plastic Injection Molding Technologist

Serioplast

Saint Louis, MO โ€ข On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 29 days ago


Job description

Serioplast, a Global Leader in Rigid Plastic Packaging, is Looking for a Senior Plastic Injection Molding Technologist for its plant in St. Louis, Missouri!
Are you a professional technologist looking for an exciting opportunity to thrive in a fast-paced, global environment? Join us and take your career to new heights!
What will you do?
  • Serve as a key point of reference for Technologists and support the Technical Manager in setting priorities, removing bottlenecks, and addressing critical issues.
  • Set up product recipes, ensuring all required regulations and PLC parameters are correctly applied.
  • Perform necessary mechanical and electronic adjustments and monitor production variables to ensure product specifications are met.
  • Conduct investigations and troubleshooting to resolve quality issues.
  • Train and support production staff in resolving minor technical problems affecting product quality.
  • Carry out electromechanical installation and setup of machines and equipment (compressors, air conditioning systems, dryers, leak testers, cameras, palletizers, etc.).
  • Develop solutions by fabricating mechanical or other components to address production or technical issues and improve machine performance.
  • Support the Technical Manager in continuous improvement projects and in decisions regarding machines, equipment, molds, and processes.

What are we looking for?
  • Excellent knowledge of plastic molding technologies (EBM and/or SBM and/or IM), with specific experience in Husky injection molding of PET preforms on high-cavitation molds.
  • Excellent applied knowledge of mechanics, pneumatics, hydraulics, electrical and/or electronic systems.
  • Good applied knowledge of measuring instruments and techniques.
  • Good applied knowledge of WCM standards.
  • Minimum 5 years’ experience working with industry specific technologies and productive processes.

What do we offer?
  • Continuous training: Grow professionally by working alongside industry experts.
  • Dynamic and international environment: Join a team engaged in global projects.
  • Career growth opportunities in an industry leading company.
  • Internal mobility: Opportunities for job rotation and career progression

Additional Perks & Benefits:
  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Health savings account
  • Paid time off
  • Vision insurance
Sounds like a fit? We’d love to hear from you!
Want to know more about us? Check out Who We Are and discover what makes us unique!

Upon sending their application, the candidate grants specific consent to the processing of personal data, in accordance with current legislation on privacy. The privacy policy is available at the following link: https://drive.google.com/file/d/1qpIpYwl5rqgtH3eN8C3cgCR74cc87WSm/view?usp=drive_link
Serioplast is an equal employment opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, status as a qualified individual with a disability, or any other characteristic protected by law.

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