Colas USA's QC Technician I at Blue Diamond Materials in Irwindale is a full-time, on-site role that centers on sampling, testing, and reporting construction materials such as hot mix asphalt, aggregates, soils, and concrete to ensure compliance with project specs and industry standards. You will perform precise tests, document results promptly, troubleshoot quality issues, and support adherence to AASHTO, ASTM, and Caltrans test methods while building familiarity with Green Book and FAA specifications. A valid CA driver’s license with a clean record, ability to lift 50 pounds, and flexibility for overtime including nights and weekends are required. In your application, highlight hands-on QC experience, measurement accuracy, software proficiency, organizational skills, safety mindset, and concrete examples of problem solving and teamwork.
Blue Diamond Materials is one of the companies that operates within Sully-Miller Contracting Co., the Colas USA subsidiary that operates throughout Southern California. We are part of Sully-Miller Companies consisting of Sully-Miller Contracting Co., Blue Diamond Materials and United Rock Products. Each company supports the other. United Rock provides the aggregate, Blue Diamond Materials provides the hot and warm mix asphalt manufacturing, and Sully-Miller Contracting executes the projects. Blue Diamond has five asphalt plants located throughout Southern California- Irwindale, Inglewood, South Gate, Sun Valley and Victorville. To learn more about Blue Diamond visit www.bluediamondasphalt.com.
The Colas USA Family of Companies provides competitive pay, outstanding benefits, career advancement opportunities, professional education, and extensive training for every employee. We pride ourselves on upholding the highest standards of safety, environmental conservation, and ethical conduct as we strive to grow our infrastructure products and services through empowering and developing our people, fostering innovation, utilizing new technology, and maximizing vertical integration at all levels of the company’s value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com.
$26 per hour
The Quality Control Technician I is responsible for sampling, testing, and reporting on construction materials—including but not limited to hot mix asphalt, aggregates, soils, and concrete—to ensure compliance with project specifications and industry standards.
Valid CA Driver’s License with an excellent driving record
Colas Inc. and its subsidiaries are an Equal Opportunity Employer. For details on the specifics of this commitment, please click here to view the EEO document. If you are an individual with a disability and require a reasonable accommodation to:
Please contact Colas Inc. at 973-290-9082 or send an email to [email protected].