Job Summary
The Materials Testing Technician performs field and laboratory sampling, testing, and documentation of soils, aggregates, concrete, and other construction materials in support of heavy civil and transportation projects. This position is responsible for obtaining representative samples, conducting testing in accordance with ASTM, AASHTO, and project specifications, and documenting results to verify compliance with contract requirements. The Materials Testing Technician works closely with field operations, crushing crews, quality personnel, and subcontractors while reporting directly to the Materials Testing Manager. This role requires a strong commitment to safety, accuracy, and quality in a demanding construction environment.
Key Responsibilities
- 1. Accurately document testing activities, sample identification, test results, and field observations using approved forms and reporting systems.
- 2. Assist with calibration, maintenance, and inventory control of testing equipment and laboratory supplies.
- 3. Communicate testing results, deficiencies, and quality concerns to the Materials Testing Manager and project quality personnel in a timely manner.
- 4. Coordinate testing activities with construction operations to support production schedules while maintaining testing frequencies required by contract documents.
- 5. Follow all company safety policies, project safety requirements, and applicable regulations while performing field and laboratory work.
- 6. Inspect materials and testing activities to ensure compliance with approved mix designs, project specifications, and quality requirements.
- 7. Maintain chain-of-custody and sample tracking procedures for all materials testing activities.
- 8. Obtain representative field samples of soils, aggregates, concrete, and other construction materials in accordance with ASTM, AASHTO, and project-specific requirements.
- 9. Perform field and laboratory testing of construction materials including aggregate gradations, plasticity index (liquid limiUplastic limit), moisture-density relationships, field density testing, concrete testing, and other specified quality control tests.
- 10. Support aggregate crushing and processing operations through routine quality control sampling, stockpile monitoring, gradation testing, and material verification.
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Minimum Job Requirements
- 1. 2-4 years of experience in construction materials testing, preferably on heavy civil, transportation, mining, or infrastructure projects.
- 2. ACI Aggregate Base Technician
- 3. ACI Concrete Aggregate Technician Level 1
- 4. ACI Concrete Field Testing Technician Grade I Certification.
- 5. ACI Concrete Strength Technician
- 6. Ability to prioritize testing activities in a fast-paced construction environment.
- 7. Ability to read and interpret project specifications, testing procedures, and construction plans.
- 8. Ability to work extended hours, weekends, and remote project assignments as required.
- 9. Ability to work independently in remote field conditions.
- 10. Effective communication skills with field crews, inspectors, and project management personnel.
- 11. Excellent attention to detail and commitment to data accuracy.
- 12. Experience on federal, DOT, USACE or other heavy civil infrastructure projects.
