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Aggregate Quality Control Jobs in California (NOW HIRING)

Holliday Rock

Foreman Rock Plant- Aggregate

Upland, CA · On-site

$35 - $45/hr

Coordinates and oversees all activities involved in aggregate production, maintenance, and quality control. * Ensures that all employees are complying with all outside agency requirements. (AQMD ...

Holliday Rock

Aggregate Foreman/ Plant Foreman

CA · On-site

$35 - $45/hr

Coordinates and oversees all activities involved in aggregate production, maintenance, and quality control. * Ensures that all employees are complying with all outside agency requirements. (AQMD ...

New

CalPortland

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 ...

CalPortland

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 ...

CalPortland

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 ...

Thompson Pipe Group

Quality Technician

Rialto, CA · On-site

$23/hr

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

Vulcan Materials

Asphalt Specialist

Vallejo, CA · On-site

Vulcan Materials Company is the nation's largest producer of construction aggregates and a major ... Trains QC department personnel in proper testing procedures within the lab and in the field to ...

Structure Cast

Batch Plant Manager

Bakersfield, CA · On-site

... quality control procedures for all produced concrete. * Maintain and enforce strict adherence to mix design specifications, ensuring slump flow, viscosity, and aggregate gradation meet project ...

Kosmos

Quarry Manager

Los Angeles, CA

$100K - $140K/yr

Rapidly growing Aggregate Materials Company in Chico, TX has a need for a Mining/Quarry Manager ... Monitor Processes and Materials- Analyze production and quality control to ensure a quality product ...

Essel

Field Soils Technician

Santa Ana, CA · On-site

$20.50 - $28/hr

Provide compaction testing on soils, aggregates and asphalt. * Provide special inspections per ... Provide sampling and Quality Control of concrete and/or grout. Requirements Required Competencies:

Essel

Field Soils Technician

Santa Ana, CA · On-site

$20.50 - $28/hr

Provide compaction testing on soils, aggregates and asphalt. * Provide special inspections per ... Provide sampling and Quality Control of concrete and/or grout. Requirements Required Competencies:

Essel

Field Soils Technician

Santa Ana, CA

$20.50 - $28/hr

Provide compaction testing on soils, aggregates and asphalt. * Provide special inspections per ... Provide sampling and Quality Control of concrete and/or grout. Requirements Required Competencies:

Martin Marietta

Batch Plant Operator

Sunol, CA · On-site

$54.70/hr

Ensure the precise blending of aggregates and liquid asphalt cement according to specific mix designs provided by Quality Control. * Oversee the loading of asphalt into haul trucks, ensuring correct ...

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Aggregate Quality Control information

See California salary details

$12

$20

$29

How much do aggregate quality control jobs pay per hour?

As of Aug 10, 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 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 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 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.

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:
Aggregate Quality Control jobs near you
Infographic showing various Aggregate Quality Control job openings in California as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 14% Part Time, 4% Contract, and 1% Nights. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution, with an average salary of $43,041 per year, or $20.7 per hour.

Foreman Rock Plant- Aggregate

Holliday Rock

Upland, CA • On-site

$35 - $45/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 14 days ago

Holliday Rock rating

7.9

Company rating: 7.9 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

Job description

Description
Description
A rock plant foreman leads the production and maintenance teams to meet daily production needs. They manage work crews within their area and oversee the daily operations of a mine, including personnel management, safety, equipment maintenance and production. They coordinate and supervise teams to ensure compliance with safety regulations and efficient production.
Essential Functions of the Position:
  • Engages with personnel daily to communicate and achieve the scheduled production targets.
  • Coordinate tasks to ensure safety and compliance.
  • Audits stock room inventories and orders parts as needed for upcoming repairs and maintenance.
  • Performs audits of the plants in their area regarding safety, repair, and maintenance and communicates deficiencies and needs with the plant manager.
  • Coordinates and oversees all activities involved in aggregate production, maintenance, and quality control.
  • Ensures that all employees are complying with all outside agency requirements. (AQMD, MSHA, CALOSHA).

Skills and Knowledge:
  • Thorough knowledge of all mining equipment performance: Keep track of equipment performance and report any issues or malfunctions to supervisors promptly to minimize downtime and maintain productivity.
  • Ability to use a PC to document work activities, maintain accurate records of work performed, including hours operated, materials used.
  • Ability to lead new and experienced miners and provide guidance and training, sharing best practices and safety protocols to foster a safe and efficient work environment.
  • Ability to learn and adapt to new technologies and apply new techniques under trained guidance.

Requirements:
  • Conduct Risk Assessments regularly assess potential risks associated with equipment operation and site conditions, implementing measures to mitigate hazards.
  • Conduct weekly Safety Meetings and training sessions to stay informed about best practices and regulatory changes in the mine site.
  • Maintain a Clean Work Environment ensure that the work environment is kept clean and organized, reducing the risk of accidents and promoting a safe working atmosphere.
  • Understand Environmental Regulations be knowledgeable about local environmental regulations and ensure compliance during operations, particularly in sensitive areas
  • Support Quality Control Efforts participate in quality control measures by ensuring that work meets industry standards and project specifications throughout the operation.

• Teamwork Orientation - Demonstrated commitment to working with others to achieve a common goal.
• Driver record cannot contain any reckless driving offences, DUI's, leaving the scene of an accident etc.
• Driver record cannot contain more than 1.5 active points in the last 36 months.
Physical Demands:
• Ability to work outside in various extreme weather conditions while sitting or standing for extensive periods of time.
• Ability to take long walks through unfinished grade with loose and moist soil.
• Ability to kneel, lift, reach, or shovel up to 25 pounds.
Benefits:
• PPO/HMO Health Insurance, Medical, Dental, Vision, Life
• 401k Retirement Plan
• Paid Holidays / Paid Vacations
• Direct Deposit / Paid weekly / Referral Bonus
This job description does not imply that the listed duties are the only responsibilities of an employee in this position. Employees may be asked to perform additional tasks as needed to ensure adequate coverage of the workload. Furthermore, employees must follow any job-related instructions and complete any other duties assigned by their supervisor. This job description does not constitute an employment agreement between the employer and the employee and may be changed by the employer as organizational needs and job requirements of the job change.

What Holliday Rock employees say

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About Holliday Rock

Sourced by ZipRecruiter

Holliday Rock holds the beliefs that long term success requires common Goals, Adaptability, Shared values, and most importantly safety. Holliday has a very diverse employee base with a wide range of Education levels, Cultural diversity, and Industry experience. Holliday Rock takes great satisfaction in having retired employees with over 50 years of service as well as hiring new employees just getting their careers started.

Industry

Construction

Company size

501 - 1,000 Employees

Headquarters location

Upland, CA, US

Year founded

1937

Social media

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