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Injection Molding Supervisor Jobs in Riverside, CA

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Supervise machine operation including plastics injection molding presses, CNC lathes, press brake ... Prior leadership or supervisory experience in a manufacturing setting is highly desirable Join ...

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Set up and operate plastic injection molding machines, ensuring optimal performance and product quality. * Monitor machine operation throughout production runs, making adjustments as needed to ...

Tool Room Machinist

Pomona, CA · On-site

$22 - $25/hr

... Room Supervisor/ VP of Sales and Operations. Required Knowledge, Skills, & Abilities: High school diploma or equivalent qualification. Knowledge of an injection molding plant. Basic knowledge of ...

Operator

Yorba Linda, CA · On-site

$20/hr

... injection molding machines to produce high-quality aerospace and precision components. This role ... Troubleshoot common machine and tooling issues, escalating complex problems to Molding Supervisor ...

Tool Room Machinist

Pomona, CA · On-site

$22 - $25/hr

... Room Supervisor/ VP of Sales and Operations. Required Knowledge, Skills, & Abilities: • High school diploma or equivalent qualification. • Knowledge of an injection molding plant. • Basic ...

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Injection Molding Supervisor information

See Riverside, CA salary details

$17

$28

$38

How much do injection molding supervisor jobs pay per hour?

As of Aug 4, 2026, the average hourly pay for injection molding supervisor in Riverside, CA is $28.70, according to ZipRecruiter salary data. Most workers in this role earn between $25.82 and $31.83 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an injection molding supervisor?

To thrive as an Injection Molding Supervisor, you need a strong understanding of injection molding processes, equipment operations, and production management, often supported by experience in manufacturing and technical training. Familiarity with manufacturing software (like ERP or MES systems), SPC tools, and certifications such as Six Sigma or RJG Master Molder is highly valued. Strong leadership, problem-solving, and communication skills help you effectively manage teams and coordinate with other departments. These competencies are essential for maintaining quality standards, optimizing production efficiency, and ensuring safe and smooth operations.

What does an injection molding supervisor do?

An Injection Molding Supervisor oversees the injection molding production process, ensuring efficient operation, quality control, and adherence to safety standards. They manage machine operators, troubleshoot equipment issues, and optimize production schedules to meet deadlines. Additionally, they collaborate with quality control teams to ensure products meet specifications and implement process improvements for efficiency and cost reduction.

What are some typical challenges an injection molding supervisor may face on the job?

Injection Molding Supervisors often encounter challenges such as minimizing machine downtime, maintaining consistent product quality, and balancing tight production schedules. They frequently need to troubleshoot equipment issues quickly while also training and motivating operators to follow best practices. Effective supervisors must adapt to rapidly changing production demands and work closely with maintenance, quality, and engineering teams to resolve problems efficiently. Overcoming these challenges requires a mix of technical know-how, organizational skills, and strong leadership. Embracing these demands can help supervisors develop valuable expertise and advance to higher management roles within manufacturing.

What are popular job titles related to Injection Molding Supervisor jobs in Riverside, CA? For Injection Molding Supervisor jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Injection Molding Supervisor jobs in Riverside, CA look for? The top searched job categories for Injection Molding Supervisor jobs in Riverside, CA are:
Infographic showing various Injection Molding Supervisor job openings in Riverside, CA as of July 2026, with employment types broken down into 1% As Needed, 89% Full Time, 5% Part Time, 1% Temporary, 2% Contract, and 2% Nights. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution, with an average salary of $59,697 per year, or $28.7 per hour.

Injection Mold Shop Lead - 3rd Shift

Professional Search Group - Orange County

Tustin, CA • On-site

$31 - $35/hr

Full-time

Medical, Dental, Vision

Posted 6 days ago

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Job description

Job description:

Overview

Professional Search Group OC wants you to join our dynamic manufacturing team as an Injection Mold Shop Lead for the 3rd Shift! This energetic leadership role is designed for a proactive, detail-oriented professional eager to oversee and optimize our plastics injection molding operations. As the key leader on the night shift, you will drive production efficiency, ensure top-tier quality, and uphold safety standards across all facets of the injection molding process. Your expertise will empower your team to succeed while maintaining a focus on continuous improvement and operational excellence. If this sounds like you please apply with Professional Search Group OC.

Duties

  • Lead and coordinate all activities within the injection mold shop during the 3rd shift, ensuring production targets are met efficiently and safely
  • Supervise machine operation including plastics injection molding presses, CNC lathes, press brake machines, and robotic systems to maintain optimal performance
  • Oversee materials handling, fabrication, and assembly processes, ensuring proper use of hand tools, measurement instruments (calipers, micrometers), and precision measurement techniques for quality control
  • Conduct quality inspections using dimensional measurements and measurement (quality control) tools to verify product specifications meet strict standards
  • Troubleshoot engineering issues related to industrial equipment, robotic systems, and manufacturing processes to minimize downtime
  • Enforce safety protocols rigorously across all operations; conduct safety audits and promote a culture of safety adherence among team members
  • Support lean manufacturing initiatives by identifying waste reduction opportunities and implementing process improvements in plastics production and extrusion

Experience

  • Proven experience in plastics injection molding, blow molding, extrusion, or related plastics manufacturing environments
  • Strong mechanical knowledge with hands-on experience operating CNC machines, CNC lathes, press brake machines, and robotic systems
  • Familiarity with programmable logic controllers (PLCs) for machine automation control and troubleshooting
  • Demonstrated ability to read blueprints, perform dimensional measurements, and utilize precision measuring instruments such as calipers and micrometers for quality inspection
  • Warehouse experience including materials handling and forklift operation preferred but not required
  • Knowledge of lean manufacturing principles to optimize workflow efficiency and reduce waste
  • Prior leadership or supervisory experience in a manufacturing setting is highly desirable


Join Professional Search Group OC in leading a vibrant team dedicated to producing high-quality plastic components! We’re committed to fostering a safe work environment while supporting your growth through continuous learning opportunities. If you thrive in fast-paced settings where innovation meets precision, this is the perfect role for you!