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Plastic Injection Molding Manager Jobs in Missouri

Aerotek

Set Up Technician

Lees Summit, MO · On-site

$53K - $56K/yr

Troubleshoot issues on plastic injection and blow molding equipment to minimize downtime. * Collaborate with production and maintenance teams to prioritize and complete equipment-related tasks.

Pretium Packaging

Technical Manager

Saint Louis, MO

$48.08 - $69.71/hr

Technical Manager - Plastics Manufacturing (Blow & Injection Molding) Relocation Assistance Available If you're the type of leader who doesn't just keep machines running--but makes them run better ...

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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.
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Plastic Injection Molding Manager jobs near you
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.

Tooling and Molding Process Optimization Leader

Pretium Packaging - USA

Saint Louis, MO • On-site

$100K - $145K/yr

Other

Posted 4 days ago

Job description

Are you ready to own technical performance from tool room to finished part?

Step into a role where your decisions move the metrics that matter. As our Tooling and Molding Process Optimization Leader, you’ll command the core of our blow and injection molding operation—backed by a team of 15–17 technicians and operators. Relocation support is available.

Questions to ask yourself
  • Do you excel at mentoring technical teams and building accountability?
  • Can you diagnose issues across molds, tooling, and machines—and fix them fast?
  • Do you love converting KPIs into action plans that slash downtime and boost output?
  • Are you comfortable partnering with operations, product, and customer teams to align on goals?
  • Do you think in roadmaps—innovating capability, capacity, and scalability?
  • Can you spot risks early and implement practical risk controls?
What you’ll drive
  • Talent development: train, coach, and grow technicians and operators
  • Technical ownership: manage tooling, molds, and machine performance across blow molding and injection molding
  • Performance management: establish and monitor KPIs; implement improvements that move OEE and throughput
  • Cross-functional alignment: work closely with operations, product management, and customer-facing teams
  • Strategic innovation: define and execute technical roadmaps
  • Operational risk management: identify, prioritize, and mitigate risks
Your toolkit
  • 5+ years in plastics manufacturing (blow molding + injection molding)
  • 2+ years leading technical teams
  • Proficiency in tooling, mold repair, and machine maintenance
  • Experience with Aoki, Uniloy, and Sumitomo equipment
  • History of continuous improvement and change leadership
  • Strong communication that translates technical issues into business context
Who you are
  • An anticipatory problem-solver
  • A process and people builder who elevates standards
  • Comfortable toggling between shop floor detail and strategic discussion
Background
  • Bachelor’s in Engineering, Maintenance Management, or related discipline (preferred)
  • Equivalent hands-on experience welcomed
What success looks like

Not a status-quo role—this is about delivering measurable gains in uptime, output, and capability while leading from the front.

Proficiencies
  • Injection Molding Experience
  • Blow Molding Experience