Quality Control Technician

Vulcan Materials Company; Pleasanton (CA); On-site; USD 48,000 - 59,000; Full time

Job summary

Vulcan Materials Company is seeking a Quality Control Technician to inspect materials, prepare and test samples, and report results in full compliance with ASTM and internal standards. You'll work in both field and laboratory settings, document findings, calibrate equipment, and support operations with timely quality insights to minimize defects and optimize production.

Applicants should have a High School diploma and 0–2 years of lab testing experience in construction aggregates, with technical

Qualifications

• High School diploma or equivalent required.
• 0–2 years laboratory testing experience in construction aggregates/HMA/RMC properties.
• Certifications preferred: ACI Concrete Laboratory Technician Level I; N.I.C.E.T. Level II (Asphalt & Concrete); State and local certifications.

Responsibilities

• Sample and test aggregates according to standard test methods.
• Conduct field and laboratory testing of products at production, shipping, and on the jobsite.
• Document test results and communicate findings to supervision.
• Calibrate and maintain testing equipment.
• Ensure housekeeping in the lab and safety compliance.
• Assist in plant calibrations and quality control duties.

Skills

Math

Attention to detail

Verbal communication

Problem solving

Documentation

Independent work

Education

High School diploma or equivalent

Some college

Tools

Microsoft Office

Google

Oracle Business Environment

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.

Job Info

• Job Identification 593
• Job Category Quality Control
• Posting Date 08/27/2026, 10:28 PM
• Degree Level High School Graduate
• Job Schedule Full time