Caltrans-Certified Aggregate Lab & Field QA Tech

Ecology Auto Parts, Inc.; California; On-site; USD 34,000 - 52,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401k with employer matching

Paid time off

Job summary

Aggregate Mineral Resource Group, LLC. is seeking an Aggregate Technician to support sampling, testing, and quality control across quarry and processing facilities near Desert Center, CA.

The role requires Caltrans certifications and the ability to work safely in industrial environments. You will perform lab and field tests, document results, and collaborate with operations to ensure compliance with Caltrans specs.

Qualifications

• Caltrans aggregate testing certifications required.
• 2–5 years of aggregate testing or related field experience.
• Knowledge of Caltrans standards and QA requirements.
• Experience in lab and field testing of aggregates and construction materials.
• Strong attention to detail and documentation skills.
• Valid driver’s license and reliable transportation.

Responsibilities

• Perform aggregate sampling, testing, and QA per Caltrans standards.
• Conduct lab and field testing including gradation, moisture, density, sand equivalent.
• Document samples and maintain testing records.
• Ensure materials meet specifications and report quality issues.
• Collaborate with operations to address material quality issues.
• Travel between sites as needed and assist with audits and compliance.

Skills

Caltrans aggregate testingCerts

2-5 years experience

Attention to detail

Documentation & reporting

MS Office proficiency

Tools

Laboratory testing equipment

Field sampling equipment

Job description

Aggregate Mineral Resource Group, LLC. is seeking an Aggregate Technician to support sampling, testing, and quality control across quarry and processing facilities near Desert Center, CA.

The role requires Caltrans certifications and the ability to work safely in industrial environments. You will perform lab and field tests, document results, and collaborate with operations to ensure compliance with Caltrans specs.