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Injection Molding Supervisor Jobs in Riverside, CA

VPET USA, LLC

QC Manager

Fontana, CA

... supervisory experience preferred. • Plastic injection molding experience desirable, preferably in a multi-plant environment • ASQ Certified Quality Engineer, Quality Auditor, Quality Manager and ...

Dynacast

Project Engineer

Lake Forest, CA · On-site

$70K - $90K/yr

Provide regular status updates to direct supervisor and executive team. * Effectively communicate ... Injection molding preferred). * Working knowledge and/or proficiency in ProE/CREO a plus

New

Pexco

Set-Up

Yorba Linda, CA · On-site

Work closely with engineers, supervisors, and quality inspectors to resolve machining or set-up ... injection molding of high-performance polymer parts. In addition, Pexco offers a wide range of ...

Pexco

CNC Operator 1

Yorba Linda, CA · On-site

$19/hr

Communicate effectively with team members and supervisors regarding production status * Participate ... injection molding of high-performance polymer parts. In addition, Pexco offers a wide range of ...

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All JobsInjection Molding Supervisor JobsInjection Molding Supervisor Jobs in Riverside, CA

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 8, 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:
Injection Molding Supervisor jobs near you
Infographic showing various Injection Molding Supervisor job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 19% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $59,697 per year, or $28.7 per hour.

QC Manager

VPET USA, LLC

Fontana, CA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 27 days ago

Job description

Job Title: Quality Control Manager
Salary Status: DOE
FLSA: Exempt
Employment Type: Full-Time
Location: Fontana, CA
Reports to: TBD

Job Overview:
The Quality Manager is responsible for maintaining and improving the company-wide quality
system that focuses on customer satisfaction, defect prevention, improved defect detection, and
continuous improvement utilizing Six Sigma and LEAN techniques. This is a “hands-on”
position requiring 50%+ of the work requirements being executed in the manufacturing
departments.

Essential Responsibilities:
• Acts as the Management Representative and champions SQF certification audits, training,
and maintenance within the Plant.
• Manages the Material Review Board, internal/external audits, CAPA, document control, and
record review.
• Oversees and manages a staff of Quality Supervisor and Technicians, Specialists and Document Control Specialist.
• Leads Continuous Improvement of processes integral to product quality and scrap.
• Improves quality assurance systems company-wide to achieve zero defects through hands on training, strong work ethic, and leadership by example.
• Identifies and resolves systemic quality problems through a reduction in variation in
processes and components (i.e., SPC, SQC, Pareto charts, GEMBA walks, etc.)
• Maintains and enhances quality performance metrics.
• Participates and leads Quality Forum meetings with other facility plant managers and
quality managers.
• Improves profitability through reduced internal scrap and customer returns
• Significant interaction with key customers and prospects to improve quality and win new
business.
• Effectively works with Engineering Managers and Engineers to ensure PQ runs are
successful and uses early production containment to provide feedback to the Engineering
team(s).
• Preform Food Safety/Food Defense duties.
• Perform other related duties as assigned.

Minimum Requirements:
• A minimum of 10 years’ experience supervising/managing a Quality Assurance Department
preferred. Must also be able to deal effectively and professionally with team members
• Experience with team-based troubleshooting of plant processes such as blow molding and
injection molding, preferred. For example; Kaizen, process mapping, 5-Why, Fishbone amp;
8D.
• Strong statistical background (including the use of Excel, Minitab, etc.), SPC/SQC and
various quality based statistical tools
• Able to effectively lead a cross-function/departmental internal team
• Ability to train and coach others in the field of expertise and quality systems
• Excellent external/internal customer and presentation skills to all levels of customer’s
organizations
• Strong multiple project management skills
• Able to thrive in a fast-paced environment characterized by high growth.
• Open to 20% travel to support other facilities.

Education and/or Experience:
• Bachelor’s Degree (preferably in a technical discipline) or equivalent related work
experience required
• Minimum of 10 years’ quality assurance or quality engineering supervisory experience
preferred.
• Plastic injection molding experience desirable, preferably in a multi-plant environment
• ASQ Certified Quality Engineer, Quality Auditor, Quality Manager and/or Six Sigma
green/black belt certification is desirable
• Excellent negotiation, presentation, meeting facilitation, and organizational skills
• Strong customer relationship building skills
• Strong “hands-on” analytical problem-solving abilities
• Excellent written and oral communication skills

Competitive Benefits:
• Employer paid (HMO medical), dental and vision insurance premium.
• 401k plan
• Vacation and sick pay.
• Holiday Pay: Eight (8) paid holidays per year.
• Basic Life Insurance Paid (25K policy).

We are an Equal Opportunity/ Affirmative Action Employer and do not discriminate against applicants due to veteran status, disability, race, gender, gender identity, sexual orientation or other protected characteristics.

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