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Aggregate Quality Control Jobs in Colorado (NOW HIRING)

GCC

Chemist - Cement Manufacturing

Pueblo, CO · On-site

$95K - $125K/yr

Previous experience supervising and/or working in a cement Quality Control role is highly desired ... mixed concrete, aggregates, and innovative products related to the construction industries in ...

Triax Engineering

Be Seen First

Construction Materials Laboratory Manager

Commerce City, CO · On-site

$75K - $90K/yr

... QC testing, geotechnical drilling, and Phase I Environmental Site Assessments. Our team of ... Perform and oversee testing of soils, aggregate, concrete, asphalt (HMA), masonry, mortar, and ...

Martin Marietta

Plant Operator

Golden, CO

$26 - $35/hr

You will be instrumental in achieving production goals by ensuring consistent, quality aggregate ... Take on additional duties--cleaning, quality control, rail loading--as assigned by management.

Martin Marietta

Plant Operator

Golden, CO

$26 - $35/hr

You will be instrumental in achieving production goals by ensuring consistent, quality aggregate ... Take on additional duties--cleaning, quality control, rail loading--as assigned by management.

Martin Marietta

Plant Operator

Golden, CO · On-site

$26 - $35/hr

Take on additional duties-cleaning, quality control, rail loading-as assigned by management ... Aggregate Plant Operations or similar Heavy Building Materials industry, preferred. Knowledge ...

Stantec

Senior Surface Mining Engineer

Denver, CO · On-site

$107K - $147K/yr

... QC skills. * Understanding of project related risks. * Strong technical writing and communication skills. * An existing and well-established network in the mining industry, aggregate or industrial ...

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Aggregate Quality Control information

See Colorado salary details

$13

$22

$31

How much do aggregate quality control jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for aggregate quality control in Colorado is $22.05, according to ZipRecruiter salary data. Most workers in this role earn between $18.94 and $24.28 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 Colorado?

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

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

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

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

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

Aggregate Quality Control jobs near you
Infographic showing various Aggregate Quality Control job openings in Colorado as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 15% Part Time, 3% Contract, and 1% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $45,859 per year, or $22 per hour.

Chemist - Cement Manufacturing

GCC

Pueblo, CO • On-site

$95K - $125K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 12 days ago

Job description

Education:
  • Bachelor's degree in chemistry or chemical engineering required.

Experience:
  • Must have 2 to 4 years' chemical engineering experience.
  • Previous experience supervising and/or working in a cement Quality Control role is highly desired

Skills and abilities:
  • Ability to work with mathematical concepts such as probability and statistical inference, and fundamentals of plane and solid geometry and trigonometry.
  • Ability to apply concepts such as fractions, percentages, ratios, and proportions to practical situations.

What you will do:
Performs chemical and physical analysis of cement, clinker and raw materials compositions used in the production of cement, clinker, kiln feed and raw meal according to established and standardized procedures (ASTM, CCRL, ASSHTO, GCC, etc..).
  • Performs chemical-physical analysis of cement, clinker and raw materials compositions used in the production of cement, clinker, kiln feed and raw meal (raw mix) according to established and standardized procedures (ASTM - CCRL - ASSHTO - GCC, etc.).
  • Maintain the reliability and confidence of the chemical and physical equipment used for the corresponding tests.
  • Supervise and coordinate hourly employees in the absence of the Quality Control Manager.
  • Perform microscopy clinker analysis.
  • Will maintain and enforce a safe working environment, adhere to safety policies and practices, daily housekeeping, and adhere to plant policies and proper use of plant radios.
  • Be familiar with MSHA safety rules, safety procedures for plant mobile equipment, lockout/tag-out policy, confined space permit policy, hot work policy, emergency response plan, arc flash/shock and burn protection, proper containment, and disposal process (via Waste Management Plan) for lubricants, paints/solvents and other environmentally sensitive materials.
  • Performs wet and/or instrumental analyses of the material through each plant section to establish the correct dosing/proportions accordingly.
  • Issues instructions to plant personnel to adjust components of raw feed to effect correct composition.
  • Analyzes finish mill on-stream product to determine the proper proportion of gypsum and/or additional materials.
  • Makes all the required determinations of coal samples either, being fired in the kilns or raw.
  • Makes chemical and/or physical analysis (according, but not limited, to the Raw Materials program) of raw material components of cement clinker and calculates their correct proportions necessary to produce cement that will meet specifications concomitant with fuel economy, kiln brick life, etc.
  • Analyzes Cement Reference Laboratory cement samples to check against plant laboratory performance and provide retrain to Physical Testers and QCTs as needed.
  • Standardize a group of test solutions used in routine control testing.
  • Makes chemical analysis of raw materials, kiln feed and clinker to develop and provide standards necessary for the calibration of the x-ray analyzers.
  • Make all the XRD analysis needed to improve the kiln(s) operation and to find reasons for materials changes (cement, clinker, raw meal, raw materials, etc.)
  • Performs assigned tests on new products to determine the feasibility of production within pre-determined limits.
  • Ensure quality of work performed, support, promote and utilize continuous improvement system.
  • Observe and promote best practices.
  • Calibrate all the needed equipment, personally or by hiring a service.
  • Support the QC Manager to do the yearly department budget, monthly schedules, and Work on call as needed, outside normal business hours.
  • Learn how to work with and maintain the Automatic Lab Equipment.
  • Use of statistical analysis to predict or solve problems.
  • Give instructions/suggestions based on statistical analysis.

Who we are:
GCC is a world-class company that produces, distributes, and markets cement, ready-mixed concrete, aggregates, and innovative products related to the construction industries in Mexico and the United States. We take pride in being a market leader with a culture of innovation, high performance, and safety. GCC offers a very competitive benefits program including paid time off, medical, dental, vision, short and long-term disability insurance plans, and a 401K.
You will love working here because:
At GCC, employees are our most important resource. As a part of the GCC family, you'll be welcomed into a culture that promotes the company vision and internal career growth. Our company vision is to have our customers recognize us as a business partner that generates the most value for their construction projects. We're a sustainable growing company, a great place to work, and a solid investment for our shareholders. GCC is an enterprise with a global and sustainable approach. Our production is mainly devoted to the manufacture and sale of gray Portland cement, mortar, premixed concrete, concrete blocks, plaster, aggregates, and other construction materials. Join the family!
An Equal Opportunity Employer
GCC does not discriminate on the basis of race, color, religion, national origin, sex, age, disability, genetic information, or any other status protected by law or regulation. It is our intention that all qualified applicants be given equal opportunity and that selection decisions are based on job-related factors.
We hold each other accountable to live our core values of health and safety, attitude of service, integrity, teamwork, innovation and excellence. GCC employees demonstrate these values every day. An Equal Opportunity Employer GCC does not discriminate on the basis of race, color, religion, national origin, sex, age, disability, genetic information or any other status protected by law or regulation. It is our intention that all qualified applicants be given equal opportunity and that selection decisions are based on job-related factors, including skills, abilities and experience. Please click the links to view the federal compliance posters
GCC logo

About GCC

Sourced by ZipRecruiter

Industry

Construction

Company size

1,001 - 5,000 Employees

Headquarters location

Glendale , CO, US

Year founded

1941

Social media

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