AGGREGATE TECHNICIAN (AMRG, LLC.)

AGGREGATE TECHNICIAN

Department: Operations

Location: Desert Center, CA

Office Hours/Days: 0700 - 1900 (M-F)

Classification: Full-Time, Non-Exempt

Reports To

Mine Operations Manager

Position Summary

Aggregate Mineral Resource Group, LLC. is seeking a knowledgeable and detail-oriented Aggregate Technician to support aggregate production, sampling, testing, and quality control operations across active quarry and material processing facilities. This position is responsible for conducting aggregate sampling and laboratory testing procedures, ensuring material compliance with Caltrans specifications, maintaining accurate testing documentation, and supporting operational quality assurance initiatives.

The Aggregate Technician will work closely with quarry operations personnel, plant operators, quality control teams, and management to ensure aggregate materials consistently meet required specifications for construction, infrastructure, and roadway applications. This role requires strong technical knowledge of aggregate testing procedures, attention to detail, and the ability to work effectively within active industrial and quarry environments.

The ideal candidate will possess current Caltrans certifications, aggregate testing experience, and a strong understanding of construction materials, laboratory procedures, and field sampling operations.

Responsibilities

· Perform aggregate sampling, testing, and quality control procedures in accordance with Caltrans and industry standards

· Conduct laboratory and field testing of aggregate materials including gradation, moisture content, density, sand equivalent, and other required material tests

· Collect and document representative material samples from quarry, crushing, screening, and stockpile operations

· Maintain accurate testing records, quality assurance documentation, and compliance reporting

· Ensure aggregate products meet Caltrans specifications, project requirements, and customer quality standards

· Collaborate with operations personnel and plant operators to identify and address material quality issues

· Monitor material production trends and communicate quality concerns to operations leadership

· Maintain testing equipment, laboratory instruments, and sampling tools in proper working condition

· Assist with internal audits, quality inspections, and compliance reviews as required

· Coordinate with external inspectors, contractors, vendors, and regulatory personnel during material evaluations and site visits

· Support operational improvement initiatives related to aggregate quality, production consistency, and material performance

· Follow all company safety procedures, MSHA regulations, and environmental compliance standards

· Assist with inventory management of laboratory supplies, testing materials, and operational consumables

· Participate in safety meetings, operational training, and ongoing quality assurance initiatives

· Travel between operational sites as necessary to support testing and inspection activities