Materials Laboratory Tech: Precision Soils & Concrete Testing

Construction Material Testing; San Jose (CA); On-site; USD 34,000 - 48,000; Full time

Job summary

Construction Material Testing seeks laboratory technicians who turn field samples into precise numbers. You’ll work inside a documented AASHTO R18 quality system with calibrated equipment and real accountability for every result that leaves the lab.

Your week involves performing standard ASTM tests, logging samples, and ensuring chain of custody. The role emphasizes careful, repeatable precision work in a structured laboratory environment with training provided.

Qualifications

• Careful hands and clean documentation habits
• Mechanical aptitude is essential
• Strong attention to detail and repeatable precision work

Responsibilities

• Perform ASTM testing (D698, D1557, D2216, D4318, C136, C39)
• Maintain calibration and quality records
• Log samples and preserve chain of custody
• Break cylinders and report strength results the same day
• Support proficiency sample programs and accreditation assessments

Skills

Attention to detail

Documentation

Mechanical aptitude

Job description

Construction Material Testing seeks laboratory technicians who turn field samples into precise numbers. You’ll work inside a documented AASHTO R18 quality system with calibrated equipment and real accountability for every result that leaves the lab.

Your week involves performing standard ASTM tests, logging samples, and ensuring chain of custody. The role emphasizes careful, repeatable precision work in a structured laboratory environment with training provided.