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QUALITY CONTROL TECH

Knife River - Northern California Aggregate
United States, California, Stockton
400 S Lincoln St (Show on map)
Aug 06, 2026
Description

1. Supervise aggregate production quality assurance and testing process.

2. Conduct Aggregate Testing and Concrete Ready Mix production testing: sampling, aggregate gradation and mixture volumetric property determination where applicable. Maintain test result database including inputting data. Evaluate data for deviations or trends away from acceptable standards. Follow quality control plans or guidelines as assigned. Communicate results to appropriate stakeholders.

3. Act as Weighmaster for the site, following weighing procedures and working with state agencies as required.

4. Provide aggregate testing training for inter/intra company personnel.

5. Maintain current certifications and expand certifications to allow cross-training throughout company.

6. Perform back up parts running as necessary.

7. Maintain confidentiality of aggregate lab and testing reports.

8. Complete and report accurately on timecards and other needed reports.

9. Always work safely and take action to prevent any and all unsafe actions, processes, and behaviors.

10. Perform other duties as assigned.

If unable to apply online, mail completed application to: PO Box 6099 Stockton, CA 95206

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.
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