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Quality Control Jobs in Rialto, CA (NOW HIRING)

Nongshim USA INC

Quality Control

Rancho Cucamonga, CA · On-site

$21.50 - $23/hr

Quality Control Staff Job Summary: The QC Tech is responsible for supporting the Quality Control department through various laboratory and quality assurance activities. This position involves ...

American Jerky Company

Quality Control

Ontario, CA

$23.50 - $24.50/hr

Position Title: QA/QC TechnicianDepartment: QualityBusiness Unit: Ontario PlantThe statements included in this Position Specification reflect, in general, the duties and responsibilities of this ...

First Staffing Group

Be Seen First

QC Technician

Anaheim, CA · On-site

$20.75/hr

QC - Quality Control / Control de Calidad We are seeking an experienced QC Associate (Quality Control / Control de Calidad) for a food manufacturing facility in Anaheim, CA. Pay: $20.75/hour Shifts ...

SIP Manufacturing, LLC

QC Technician

Lake Elsinore, CA · On-site

$18.25 - $23.50/hr

Quality Control Technician 2.- REPORTS TO: QC Manager 3.- BACK-UP BY: Another QC tech 4.- IMMEDIATE SUBORDINATE: none 5.- OBJECTIVE: Quality control technicians are responsible for testing materials ...

Astrix Inc

QC Microbiologist

Chino, CA · On-site

$24 - $30/hr

Pay Rate Low: 24 | Pay Rate High: 30 Our client, a personal care contract manufacturer, is looking for a skilled QC Microbiologist to join their team in Pomona, CA! This position offers an exciting ...

Alcon3Pl

Quality Control - Anaheim

Anaheim, CA · On-site

Quality control (production operator) will be responsible for operating and maintaining machinery, ensureing production quality, and adhering to safety standards. Job Responsibilities: • ...

Abbott

Quality Control Technician

Pomona, CA · On-site

$23 - $26/hr

Quality Control Technician Location : Pomona, California Duration : 6 Months Shift : 8AM - 5PM 100% Onsite Position Summary: The position of QC Technician II is within our Toxicology Business Unit ...

Alcon3Pl

Quality Control - Anaheim

Anaheim, CA · On-site

$18 - $25/hr

We are seeking an experience quality control asociate to add to our team in our Anaheim warehouse. This is a TEMP TO HIRE POSITION. Position Sumarry: Quality control (production operator) will be ...

Fortune Avenue Foods, Inc.

Be Seen First

Quality Control Lead

Ontario, CA · On-site

$30 - $40/hr

We are a USDA / FDA Frozen Food Manufacturer and seeking a Quality Control Lead! The right candidate must have experience working in a food manufacturing company. This position will primarily work in ...

Astrix Inc

QC Microbiologist

Chino, CA · On-site

$24 - $30/hr

Pay Rate Low: 24 | Pay Rate High: 30 Our client, a personal care contract manufacturer, is looking for a skilled QC Microbiologist to join their team in Pomona, CA! This position offers an exciting ...

Top Guy Shoes

Quality Control Assistant

Walnut, CA · On-site

$20 - $24/hr

The Quality Control Assistant supports the Shipping and Purchasing team in ensuring that all footwear and apparel products meet Top Guy Shoes' standards for quality, safety, and compliance before ...

Top Guy Shoes

Quality Control Assistant

Walnut, CA · On-site

$20 - $24/hr

The Quality Control Assistant supports the Shipping and Purchasing team in ensuring that all footwear and apparel products meet Top Guy Shoes' standards for quality, safety, and compliance before ...

Astrix Inc

QC Microbiologist

Chino, CA · On-site

$24 - $30/hr

Our client, a personal care contract manufacturer, is looking for a skilled QC Microbiologist to join their team in Pomona, CA! This position offers an exciting opportunity to work in a dynamic, fast ...

Superbeo

Quality Control Inspector

Fontana, CA · On-site

Quality Control Inspector Job Location: Fontana, California , 92337 Job Duration: 18 Months Shift/Schedule: Monday - Friday (20-30 hrs./wk.) Job Summary: * Perform a visual inspection of incoming ...

FullSteam

QC Inspector

Riverside, CA · On-site

$18.50 - $23/hr

Now hiring: QC Inspector in Riverside, CA! Location: Riverside, CA Pay: $18.50-$23.00 per hour Shifts: 1st & 2nd Shift Available Industry: Cosmetics Manufacturing -- Aerosol, Hair Products & Makeup ...

Top Guy Shoes

Quality Control Assistant

Walnut, CA

The Quality Control Assistant supports the Shipping and Purchasing team in ensuring that all footwear and apparel products meet Top Guy Shoes' standards for quality, safety, and compliance before ...

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All JobsQuality Control JobsQuality Control Jobs in Rialto, CA

Quality Control information

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$11

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How much do quality control jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for quality control in Rialto, CA is $21.53, according to ZipRecruiter salary data. Most workers in this role earn between $17.36 and $24.09 per hour, depending on experience, location, and employer.

What is quality control?

Quality control (QC) is a process by which businesses ensure that their products or services meet specific standards of quality. This typically involves systematic inspection, testing, and corrective actions to detect and address defects or inconsistencies. Quality control helps maintain customer satisfaction, comply with regulations, and reduce waste or costly errors. QC can be applied at various stages of production and is essential in industries such as manufacturing, food production, and pharmaceuticals.

What are the key skills and qualifications needed to thrive as a quality control professional?

To thrive as a Quality Control professional, you need keen attention to detail, analytical skills, and a background in science, engineering, or manufacturing, often supported by relevant certifications like Six Sigma or ISO standards. Familiarity with quality management systems (QMS), statistical process control (SPC) software, and inspection equipment is typically required. Strong problem-solving abilities, communication, and teamwork set top performers apart in this role. These skills are crucial to ensure product consistency, prevent defects, and maintain compliance with industry standards.

What are some common challenges faced by quality control professionals and how can they be addressed?

Quality Control professionals often encounter challenges such as maintaining consistency across production batches, adapting to new regulatory standards, and managing tight deadlines without compromising quality. Addressing these challenges requires strong attention to detail, effective communication with production and engineering teams, and continuous learning to stay updated on industry best practices. Many companies support their QC staff with regular training sessions, clear documentation protocols, and collaborative problem-solving meetings to ensure quality standards are upheld.

What is the difference between Quality Control vs Quality Assurance?

AspectQuality ControlQuality Assurance
FocusDetecting defects in products or servicesPreventing defects through process improvements
ActivitiesInspections, testing, samplingProcess audits, standards development
CredentialsOften requires technical training or certifications in testingCertifications like ISO, Six Sigma are common
Work EnvironmentLaboratory, production lines, manufacturingProcess development, documentation, audits

While Quality Control focuses on identifying defects after production, Quality Assurance aims to prevent defects through process improvements. Both roles are essential for maintaining product quality, but they differ in approach and activities.

Is a quality control job physically demanding?

A quality control job can involve physical tasks such as inspecting products, standing for extended periods, and handling materials. The physical demand varies depending on the industry and specific role, but many positions require good attention to detail and manual dexterity. Some roles may also involve lifting or moving objects, so physical fitness can be beneficial.

What do quality control workers do?

Quality control workers inspect products and materials to ensure they meet safety and quality standards. They use tools like measurement devices and follow procedures to identify defects, document issues, and ensure compliance with specifications, often working in manufacturing or production environments. Attention to detail and knowledge of quality standards are essential for this role.
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Quality Control jobs near you
Infographic showing various Quality Control job openings in Rialto, CA as of August 2026, with employment types broken down into 85% Full Time, 5% Contract, and 10% Nights. Highlights an 100% In-person job distribution, with an average salary of $44,792 per year, or $21.5 per hour.

Quality Control

Nongshim USA INC

Rancho Cucamonga, CA • On-site

$21.50 - $23/hr

Full-time, Other

Posted 12 days ago

Job description

Job Title: QC Technician (Quality Control Technician)
Department: Quality Assurance (QA)
Reports To: Quality Control Staff

Job Summary:
The QC Tech is responsible for supporting the Quality Control department through various laboratory and quality assurance activities. This position involves assisting with daily QC operations, performing laboratory testing, maintaining records, and ensuring compliance with internal and external standards.

Essential Duties and Responsibilities:

  • Assist QC technicians with day-to-day issues as they arise.
  • Provide temporary coverage for any QC function or shift as needed.
  • File, review, and verify SQF and other quality-related documents.
  • Assist in creating and verifying Certificates of Analysis (COA) for finished products.
  • Maintain inventory and place orders for QC, office, and lab supplies.
  • Perform routine laboratory tests (pH, moisture, fat, Brix, etc.) on raw materials and finished products.
  • Conduct environmental testing through swabbing, allergen testing, and other microbiological analyses.
  • Calibrate laboratory equipment and maintain testing records.
  • Support internal audits, GMP (Good Manufacturing Practices) inspections, and SQF validations.
  • Update and review laboratory procedures and QC forms.
  • Enter data from laboratory tests, environmental swabs, and other QC activities.
  • Coordinate and document environmental and sanitation meetings.
  • Assist with special projects alongside QA management.
  • Maintain lab cleanliness and chemical inventory.
  • Dispose of chemical waste in accordance with applicable regulations.

Qualifications:

  • Proficiency in English and math skills.
  • Strong computer skills.
  • Experience in the food industry is highly advantageous.
  • Basic knowledge of or experience with SQF, GMPs, chemistry, microbiology, analytical instruments, and the scientific method.
  • Familiarity with basic laboratory testing procedures.
  • Strong analytical skills.
  • Ability to adapt, remain flexible, and collaborate within a team environment.

Education and Experience:

  • Associate's or Bachelor's degree in Chemistry, Biology, Food Science, or a related field preferred (not required).
  • High school diploma or equivalent required.
  • Prior experience in a related field preferred.

Physical Requirements:

  • Ability to lift up to 50 lbs (23 kg).
  • Ability to stand, walk, and bend for extended periods.
  • Ability to work in a laboratory environment with possible exposure to hazardous materials.

Work Environment:

  • This position is performed in an office, laboratory, and manufacturing plant environment.
  • May require work at Plant 1 and Plant 2 as needed.

Schedule:

  • Full-time
  • First (morning) and Second Shift (evening shift) (two positions available in total)
  • Pay Range: 21.50 to 23.00 USD Hourly. 

Disclaimer:
This job description is not intended to be all-inclusive. The employee may perform other related duties as required to meet the ongoing needs of the organization.

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