Precision Materials Lab Technician

Construction Material Testing; Casper (WY); On-site; USD 34,000 - 48,000; Full time

Job summary

Construction Material Testing is seeking a Laboratory Technician who turns field samples into numbers using Proctor curves, sieve analyses, Atterberg limits, moisture contents, and compressive strength tests. You will work in a documented AASHTO R18 quality system with calibrated equipment and full accountability for every result.

Responsibilities include performing ASTM D698, D1557, D2216, D4318, C136, and C39 tests; maintaining calibration and quality records; logging samples and preserving

Qualifications

• Careful hands, clean documentation habits, mechanical aptitude
• Prior lab or CMT experience a plus, not required — we train
• Comfortable with repetitive precision work done right every time

Responsibilities

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

Skills

Attention to detail

Documentation

Mechanical aptitude

Job description

Construction Material Testing is seeking a Laboratory Technician who turns field samples into numbers using Proctor curves, sieve analyses, Atterberg limits, moisture contents, and compressive strength tests. You will work in a documented AASHTO R18 quality system with calibrated equipment and full accountability for every result.

Responsibilities include performing ASTM D698, D1557, D2216, D4318, C136, and C39 tests; maintaining calibration and quality records; logging samples and preserving