Concrete QC Lab Technician: Strength & Testing Pro

CalPortland; San Diego (CA); On-site; USD 58,000 - 70,000; Full time

Benefits offered by this job

low-cost premiums even for family

Company-paid life/AD&D insurance

Company-paid short-term disability

401k/Company Funded Pension Program (p

Employee Assistance Program (EAP)

Additional voluntary benefits

Job summary

CalPortland is seeking a Quality Control Lab Technician for our Superior Ready Mix location in Mission Gorge, San Diego. You will perform concrete and concrete aggregates testing and report results, ensuring strict adherence to ACI standards.

The role requires DOT and ACI certifications, ability to lift heavy materials, operate lab equipment, and collaborate with production plants and suppliers. A strong emphasis on safety, calibration, data entry, and timely reporting is essential.

Qualifications

• Must obtain ACI Concrete Strength Testing within six months
• Must obtain DOT Soil and Aggregate and/or ACI Aggregate Testing Technician Level 1 within one year
• Must be able to speak, read, and write in English

Responsibilities

• Perform stripping, curing, capping, and compression testing in the concrete and aggregate lab
• Report concrete cylinder strength test results according to ACI standards
• Process aggregate field test samples and reduce to testing size
• Conduct concrete tests including temperature, slump, density, air content, cylinders
• Perform gradation tests on rock and sand samples and related tests (durability, moisture, cleanliness, sand equivalency)
• Enter test results daily into a computer database and distribute reports
• Gather cement, fly ash, and aggregates for trial batch tests
• Weigh materials for trial batches and set up equipment for testing
• Calibrate equipment per schedule
• Maintain safe, clean work area and use PPE as required
• Troubleshoot problems and handle out-of-spec issues with aggregates

Education

High school diploma/GED

DOT Soils and Aggregate Certification

ACI Strength Testing Certification

ACI Aggregate Testing Technician Level 1

Tools

Microsoft Office Suite

SAP

Job description

CalPortland is seeking a Quality Control Lab Technician for our Superior Ready Mix location in Mission Gorge, San Diego. You will perform concrete and concrete aggregates testing and report results, ensuring strict adherence to ACI standards.

The role requires DOT and ACI certifications, ability to lift heavy materials, operate lab equipment, and collaborate with production plants and suppliers. A strong emphasis on safety, calibration, data entry, and timely reporting is essential.