- Upstone Materials (Irwindale, CA)
- Quality Control Technician III Company: BLUE DIAMOND Location: Irwindale Country: USA Type of Contract: Regular / Permanent Publication Date: Oct 30, 2025 ... Blue Diamond Materials provides the hot and warm mix asphalt manufacturing, and Sully-Miller Contracting executes the projects. Blue...visit www.colasusa.com. Compensation $38 per hour Job Summary The Quality Control Technician 3 is… more
- Upstone Materials (Irwindale, CA)
- Quality Control Technician I Company: BLUE DIAMOND Location: Irwindale Country: USA Type of Contract: Regular / Permanent Publication Date: Oct 30, 2025 Blue ... visit www.colasusa.com. Compensation $26 per hour Job Summary The Quality Control Technician I is...asphalt , aggregates, and other materials + Identify product quality issues, troubleshoot problems, and implement corrective actions +… more
- Essel (Santa Ana, CA)
- …project documents. + Document project grading activities. + Provide sampling and Quality Control of concrete and/or grout. Requirements Required Competencies: + ... grading observations. + Provide compaction testing on soils, aggregates and asphalt . + Provide special inspections per additional inspection certifications in… more