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Aggregate Quality Control Jobs in California (NOW HIRING)

QC Technician

Tracy, CA · On-site

$30 - $35/hr

QC Technician Architectural Products Group Tracy, California, United States Job ID: 526729 ... Ensure mixer and aggregate bin probes are calibrated and properly maintained * Calculate ...

QC Technician

Tracy, CA · On-site

$30 - $35/hr

Ensure mixer and aggregate bin probes are calibrated and properly maintained * Calculate ... quality checks as well as higher level QC/QA testing * Execute Daily Plant and Business ...

Aggregate Plant Manager

Santa Maria, CA · On-site

$90K - $110K/yr

... customer quality requirements, and responding to emergencies. This individual will ensure ... Responsible for mine planning, safety, environmental matters, cost control, production and ...

Aggregate Plant Manager

Santa Maria, CA · On-site

$90K - $110K/yr

... customer quality requirements, and responding to emergencies. This individual will ensure ... Responsible for mine planning, safety, environmental matters, cost control, production and ...

Aggregate Plant Manager

Santa Maria, CA · On-site

$90K - $110K/yr

... customer quality requirements, and responding to emergencies. This individual will ensure ... Responsible for mine planning, safety, environmental matters, cost control, production and ...

Aggregate tests * Joint Assembly Test reports * Production fabrication, test, and inspection reports * Assist Production personnel who have been assigned quality control responsibilities. * Ensure ...

Showing results 21-40

Aggregate Quality Control information

See California salary details

$12

$20

$29

How much do aggregate quality control jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for aggregate quality control in California is $20.69, according to ZipRecruiter salary data. Most workers in this role earn between $17.79 and $22.79 per hour, depending on experience, location, and employer.

What is aggregate quality control?

Aggregate Quality Control refers to the process of monitoring and testing construction aggregates—such as sand, gravel, and crushed stone—to ensure they meet required standards for use in building projects. This role involves sampling materials, running laboratory tests, and documenting results to verify compliance with specifications. Aggregate Quality Control professionals help maintain the safety, durability, and performance of construction materials, preventing project delays and structural issues. They also work closely with production teams and regulatory agencies to address any quality concerns.

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

Aggregate Quality Control professionals often encounter challenges such as maintaining consistency in material quality, adhering to strict testing standards, and managing timely communication with production teams. Variations in raw materials and environmental conditions can impact test results, requiring careful monitoring and adjustment. To address these challenges, professionals should stay updated on industry standards, collaborate closely with laboratory and production staff, and implement regular training and calibration of testing equipment to ensure accuracy.

What are the key skills and qualifications needed to thrive as an aggregate quality control professional, and why are they important?

To excel as an Aggregate Quality Control professional, a strong background in geology, materials science, and quality assurance principles is essential, often supported by a relevant degree or certification such as ACI or NICET. Familiarity with laboratory testing equipment, data analysis software, and industry standards like ASTM or AASHTO is typically required. Attention to detail, effective communication, and problem-solving abilities set outstanding candidates apart. These skills ensure compliance with regulations, consistent material quality, and the safety and success of construction projects.

What is the difference between Aggregate Quality Control vs Quality Control Inspector?

AspectAggregate Quality ControlQuality Control Inspector
CertificationsQuality certifications, industry-specific standardsQuality certifications, industry standards
Work EnvironmentConstruction sites, manufacturing plants, material testing labsManufacturing facilities, construction sites, production lines
Employer & Industry UsageConstruction, civil engineering, materials testingManufacturing, production, construction
Primary FocusMonitoring and testing aggregate materials for quality complianceInspecting finished products or materials for defects and standards

Aggregate Quality Control professionals focus on testing and monitoring aggregate materials used in construction to ensure they meet quality standards. Quality Control Inspectors typically examine finished products or materials during manufacturing to identify defects. While both roles involve quality assurance, Aggregate Quality Control emphasizes material testing and compliance in construction and materials industries, whereas Quality Control Inspectors focus on inspecting products during or after production.

Is working in aggregate quality control a good job?

Aggregate quality control involves inspecting and testing materials like gravel and sand to ensure they meet industry standards, often requiring knowledge of testing equipment and safety procedures. The job can offer steady employment and opportunities for advancement, but it may involve physical labor and working outdoors in various weather conditions.

What are popular job titles related to Aggregate Quality Control jobs in California?

For Aggregate Quality Control jobs in California, the most frequently searched job titles are:

What job categories do people searching Aggregate Quality Control jobs in California look for?

The top searched job categories for Aggregate Quality Control jobs in California are:

What cities in California are hiring for Aggregate Quality Control jobs?

Cities in California with the most Aggregate Quality Control job openings:

Infographic showing various Aggregate Quality Control job openings in California as of September 2026, with employment types broken down into 2% As Needed, 78% Full Time, 16% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 83% Physical, 1% Hybrid, and 16% Remote job distribution, with an average salary of $43,041 per year, or $20.7 per hour.

Asphalt Quality Control Technician

Pleasanton, CA • On-site

Vulcan Materials Company
Coal, Metals and Minerals Mining • 10K+ employees

$20.75 - $26.50/hr

Full-time

Posted 18 days ago


Vulcan Materials rating

7.2

Company rating: 7.2 out of 10

Based on 153 frontline employees who took The Breakroom Quiz


Job description


Job Summary
Quality Control Technician is responsible for inspecting materials being produced, preparing and testing samples, interpreting and reporting results, and conducting routine and special laboratory testing to ensure conformance with American Society for Testing and Materials(ASTM) and VMC standards on all materials. Examines causes of poor product quality, researches causes of complaints and implements corrective action. Acts as a source of knowledge to operations personnel with the ability to advise and recommend changes.
Essential Functions
• Samples and conducts testing on aggregates conforming to the appropriate standard test methods.
• Field and laboratory testing of complete product line to insure Quality Control of products at the point of production, shipping and arrival upon the jobsite.
• Test methods include but are not limited to American Society for Testing and Materials (ASTM), American Association of State Highway and Transportation Officials (AASHTO) and Department of Transportation (DOT).
• Individual must perform testing proficiently and accurately.
• Communicates test results in a timely manner to supervisor and properly documents in data base.
• Troubleshoot problems and review basic product specifications.
• Visually inspects stockpiles, materials sources, and truck loads at plant sites.
• Monitors daily the construction of the stockpile to ensure that segregation and contamination is kept to a minimum or eliminated. Notifies management immediately if contamination is identified.
• Conducts testing and assists in plant calibrations to insure the proper quality of the product.
• Completes all required reports in a timely and accurate manner. Maintains appropriate hard copy files.
• Periodically inspects, calibrates and maintains testing equipment.
• Ensures housekeeping standards are maintained in and around the lab.
• Develops and maintains relationships with state/county/city inspectors and customers to allow for proper and timely communication of test results and speedy resolution of any product quality issues or concerns.
• Other duties as assigned.
Critical Competencies
• Customer Focus - Builds positive customer relationships and gains trust and respect, prioritizing their needs and using feedback to improve products and services.
• Communication - Communicates clearly and effectively, both verbally and in writing, while actively listening and adapting the message to the audience.
• Team Player - Works cooperatively and effectively with team members to achieve shared goals, willingly assisting others and fostering a positive and productive team environment.
• Planning and Scheduling - Effective planning of repair procedures, scheduling work considering resource availability, and maintaining necessary inventory.
• Problem Solving - Identify, analyze, and resolve work-related issues efficiently and effectively using practical knowledge, experience, and hands-on skills. Finds practical solutions, implements fixes, and adapts to unexpected challenges.
• Quality Control - Ensure that products, services, or processes meet quality standards by systematically inspecting and testing them to identify defects and make necessary improvements.
Responsibilities
Education
• High School diploma or its equivalent is required.
• Some college preferred.
Experience
• This is typically an entry level position. 0 to 2 years laboratory testing experience in construction aggregate/HMA/RMC properties. Individual may have some prior training or experience in the materials testing field and demonstrates a proficiency to perform basic Quality Control duties and responsibilities.
• Certifications preferred:
• ACI Concrete Laboratory Technician Level I
• N.I.C.E.T. Level II (Asphalt & Concrete)
• State and locally required certifications
Knowledge, Skills, and Abilities
• Individual must possess good math and demonstrate the ability to perform simple to moderately complex arithmetic calculations.
• Maintain and calibrate testing equipment.
• Proficient in Microsoft Office Suite, Google, Oracle Business Environment and other software packages relevant to the position.
• Must be attentive to detail.
• Person must have the ability to perform material testing in an orderly, efficient and accurate manner.
• Document all inspection and testing activities.
• Person must possess good verbal communications skills for dealing with plant production personnel, plant managers, customers and agency representatives.
• Ability to problem solve and work independently.
Other Requirements
• This position requires knowledge and awareness of construction and mining site hazards.
• Will be required to wear protective gear when working in the field, including gear to protect against exposure to noise, dust and hazardous materials. This will include but is not limited to safety glasses, steel toe boots, hearing protection, and hard hat.
• This requires an awareness to safeguard against possible hazards.
• Will be required to lift and transport sample buckets and bags of up to 50 pounds.
Hourly Range. The base hourly range for this role is between $35.00 - $43.00 per hour. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate's compensation, we consider a number of factors, including skillset, experience, job scope, and current market data.
JD Disclaimer
Vulcan Materials Company is an equal opportunity employer.

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