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Quality Control Lab Technician

Job in San Diego, San Diego County, California, 92189, USA
Listing for: CalPortland
Full Time position
Listed on 2026-01-27
Job specializations:
  • Manufacturing / Production
    Quality Engineering
  • Quality Assurance - QA/QC
    Quality Technician/ Inspector, Quality Engineering, Quality Control / Manager
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Join to apply for the Quality Control Lab Technician role at Cal Portland
.

Job Summary

The Quality Control Lab Technician will perform quality control testing and reporting duties in the concrete and concrete aggregates testing laboratory.

Benefits
  • Medical, dental, vision.
  • Low-cost premiums even for family coverage.
  • Company‑paid life/AD&D insurance.
  • Company‑paid short‑term disability.
  • Paid sick/vacation/holiday.
  • 401k/company funded pension program (program is dependent upon location and job type).
  • Employee Assistance Program (EAP).
  • Additional voluntary benefits.
Responsibilities
  • Perform all aspects of stripping, curing, capping, and compression testing in the concrete and concrete aggregates testing lab.
  • Report concrete cylinder strength test results according to ACI standards.
  • Process aggregate field test samples and reduce to the appropriate testing size.
  • Conduct concrete testing including temperature, slump, density, air content, cylinders, etc.
  • Perform gradation tests on rock and sand samples and additional tests such as durability, moisture, cleanliness value, #200 wash, sand equivalency, specific gravities, and absorptions.
  • Enter test results daily into a computer database and distribute reports to appropriate individuals.
  • Gather cement, fly ash, and aggregate materials at production plants in preparation for concrete trial batch tests.
  • Accurately weigh each material as listed in the trial batch sheets and set up equipment for trial testing.
  • Conduct scheduled calibrations on test equipment per the calibration schedule.
  • Maintain work area and office equipment in a safe and clean condition.
  • Troubleshoot job problems and handle job complaints (out‑spec aggregates, low breaks, Schmidt hammer, cracking, coring).
  • Analyze aggregate and strength reports and identify trends.
  • Work directly with suppliers, vendors, and internal customers as necessary.
Education
  • High school diploma/GED.
  • DOT Soils and Aggregate Certification.
  • ACI Strength Testing Certification and ACI Aggregate Testing Technician Level 1.
Requirements & Qualifications
  • Obtain and maintain the following within the specified time frames: ACI Concrete Strength Testing (within six months in position), DOT Soil and Aggregate and/or ACI Aggregate Testing Technician Level 1 (within one year in position).
  • Job requires the following motions: climbing, bending, squatting, lifting, sitting, stretching, vibration, twisting, pushing/pulling controls, riding on rough terrain, use of hand tools such as wrenches and screwdrivers, driving/walking on uneven ground, and climbing stairs.
  • Frequent lifting up to 75 pounds, occasional lifting of 100 pounds.
  • May be exposed to extremes of hot or cold weather and work in wet environments.
  • Must work flexible hours with varying start and stop times.
  • Overtime work will be required as needed.
  • Must meet OSHA 10 guidelines and follow all Cal Portland Safety Policies.
  • ANSI‑approved PPE will be provided and must be used when required.
  • Must speak, read, and write in English.
  • Able to work cooperatively with others.
  • Must have a valid driver’s license and be insurable.
  • Technician subject to random drug and alcohol screens as required.
  • May perform Field Technician duties based on business need.
Preferred

Intermediate skills in Microsoft Office Suite and SAP software.

Conditions of Employment

Successful candidate must submit to a post‑offer pre‑employment physical examination, drug/alcohol screen, and background check. Some positions require FMCSA registration/clearance as well as ongoing alcohol and drug testing.

Seniority level

Entry level

Employment type

Full‑time

Job function

Research, Analyst, and Information Technology

Industries

Wholesale Building Materials

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