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Quality Control Jobs in Modesto, CA (NOW HIRING)

711 Materials, Inc.

Quality Control Technician

Modesto, CA · On-site

$30 - $40/hr

The Quality Control Lab Technician is responsible for inspecting production materials, preparing samples, and performing both routine and special laboratory tests to ensure compliance with ASTM and ...

711 Materials, Inc.

Quality Control Technician

Modesto, CA · On-site

$30 - $40/hr

The Quality Control Lab Technician is responsible for inspecting production materials, preparing samples, and performing both routine and special laboratory tests to ensure compliance with ASTM and ...

711 Materials, Inc.

Quality Control Technician

Modesto, CA · On-site

$30 - $40/hr

The Quality Control Lab Technician is responsible for inspecting production materials, preparing samples, and performing both routine and special laboratory tests to ensure compliance with ASTM and ...

Ferrotec Usa

Quality Control Technician

Livermore, CA

$21.25 - $27/hr

Reports to the Quality Control Supervisor. Achievement of objectives must include an overriding commitment to quality that must permeate the areas of responsibility. Enable and Drive Change in the ...

International Window

Quality Control Associate

Stockton, CA · On-site

$18.50 - $20/hr

Use Verified by QC · Check insulated glass department log twice daily. Verified by QC · Check finished products and logs twice daily. · Run a 15-minute sill water test and a weep drainage test at ...

CRH

QC Technician

Tracy, CA

$30 - $35/hr

Job Summary Performs quality control inspections, checks, and tests products during the manufacturing process. Inspects materials, parts, and products at different phases of the production cycle.

Neogen Corporation

Quality Control Technician

Turlock, CA · On-site

$19.75 - $25.25/hr

The primary responsibility of this role, Instrument QC Technician 1, is for routine testing of Neogen Food Safety instrumentation to ensure compliance with specified performance standards. Neogen has ...

Granite

QC Technician

Tracy, CA

$20.25 - $25.75/hr

Ability to communicate and schedule QC activities with crew and inspection personnel. * Ability to interpret specifications and discuss/argue with crew and inspection staff. * Ability to make ...

Granite Construction, Inc.

QC Technician

Tracy, CA · On-site

$20.25 - $25.75/hr

Ability to communicate and schedule QC activities with crew and inspection personnel. * Ability to interpret specifications and discuss/argue with crew and inspection staff. * Ability to make ...

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Quality Control information

See Modesto, CA salary details

$12

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$35

How much do quality control jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for quality control in Modesto, CA is $22.66, according to ZipRecruiter salary data. Most workers in this role earn between $18.27 and $25.38 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.
More about Quality Control jobs

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For Quality Control jobs in Modesto, CA, the most frequently searched job titles are:

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Quality Control jobs near you
Infographic showing various Quality Control job openings in Modesto, CA as of August 2026, with employment types broken down into 7% As Needed, 74% Full Time, 11% Part Time, 4% Temporary, and 4% Contract. Highlights an 100% In-person job distribution, with an average salary of $47,125 per year, or $22.7 per hour.

Quality Control Technician

711 Materials, Inc.

Modesto, CA

$30 - $40/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 6 days ago

Job description

"OUR PEOPLEAREOUR STRATEGY"

We are growing and in need of a Concrete Quality Control Technician for our 711 Materials, Inc. facility.
Come join a team with a great company culture that offers competitive wages and benefits!! We offerPaid Time Off, Medical, Dental, Vision Care Insurance. We offer a 401k program. A Pension Program, Life Insurance, AD&D and opportunities for growth and development.

The Quality Control Lab Technician is responsible for inspecting production materials, preparing samples, and performing both routine and special laboratory tests to ensure compliance with ASTM and Caltrans standards for ready mix and aggregate materials. This position involves troubleshooting and maintaining accurate, timely records, as well as inspecting and testing materials to support Quality Control functions at 7/11 Materials.

ESSENTIAL DUTIES AND RESPONSIBLITIES:

  • Comply with ASTM, ACI, AASHTO, and Caltrans specifications for sampling and testing construction materials
  • Organize a concrete break schedule and plant testing equipment recertification process to comply with Caltrans and ACI
  • Communicate with plant personnel to maintain proper Batch plant moisture readings for aggregate used in concrete loads
  • Communicate with customers to address quality/performance issues of concrete and aggregate products at job sites or plants
  • Communicate with upper management and outside companies or agencies to report material testing data
  • Maintain working knowledge of Microsoft Office applications to input, evaluate, and report testing material data
  • Maintain working knowledge of Command and Stonemont to help the QC Manager with item code information changes/mix design changes
  • Train rock plant managers, rock plant personnel, and affected ready mix personnel on ACI sampling and testing procedures
  • Supervise mixer drivers on jobsites to ensure they provide a quality product/service and comply with local/project regulations
  • Participate in pre-pour meetings with customers and related staff to organize concrete deliveries and divulge mix/plant info
  • Maintain proper inventory of lab chemicals and tools to supply the main lab and all rock plant testing facilities
  • Apply creative thinking to improve processes and support product development initiatives within operations
  • Travel to intrastate plants to sample and deliver aggregate or cement to local agencies for compliance testing, perform concrete trial batches, and conduct concrete field testing for local projects.
  • Maintain necessary certifications
  • Other duties as assigned


QUALIFICATIONS/EDUCATION:

  • Experience in testing construction materials and/or plant inspection is preferred.
  • Working knowledge of Microsoft Word and Excel.
  • Must have excellent communication skills, both written and verbal.
  • Proven leadership qualities.
  • Must possess the ability to prioritize and handle multiple projects utilizing organizational skills and communication skills.
  • Strong sense of responsibility regarding timely and accurate completion of work and a strong commitment to corporate goals.
  • Must be capable of functioning in a fast-paced and demanding working environment.
  • Ability to travel to different company locations and work sites as needed
  • Previous experience in quality control within the construction industry is preferred
  • A minimum of five years in the aggregate/ready-mix industry is preferred
  • Certifications related to quality control and construction material testing are advantageous.
  • Continuous professional development to stay updated with industry standards and practices is expected.

AFFIRMATIVE ACTION STATEMENT:

Applicants must be currently authorized to work in the United States.

We are proud to be an Equal Opportunity and Affirmative Action employer, and consider qualified applicants without regard to race, color, creed, religion, ancestry, national origin, sex, sexual orientation, gender identity, age, disability, veteran status or any other protected factor under federal, state or local law.

Employment Type: Full-Time

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