Aggregate Quality Assurance & Lab Technician

Knife River Corporation; Stockton (CA); On-site; USD 60,000 - 90,000; Full time

Job summary

Knife River Corporation in Stockton, CA is seeking a hands-on supervisor for aggregate production QA and testing. You will oversee sampling, gradation, and mixture properties, maintain the test result database, and communicate findings to plant stakeholders.

This role also serves as weighmaster, provides training, maintains certifications, ensures safety, and completes timecards and reports.

Responsibilities

• Supervise aggregate production quality assurance and testing process.
• 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.
• Act as Weighmaster for the site, following weighing procedures and working with state agencies as required.
• Provide aggregate testing training for inter/intra company personnel.
• Maintain current certifications and expand certifications to allow cross-training throughout company.
• Perform back up parts running as necessary.
• Maintain confidentiality of aggregate lab and testing reports.
• Complete and report accurately on timecards and other needed reports.
• Always work safely and take action to prevent any and all unsafe actions, processes, and behaviors.
• Perform other duties as assigned.

Job description

Knife River Corporation in Stockton, CA is seeking a hands-on supervisor for aggregate production QA and testing. You will oversee sampling, gradation, and mixture properties, maintain the test result database, and communicate findings to plant stakeholders.

This role also serves as weighmaster, provides training, maintains certifications, ensures safety, and completes timecards and reports.