Precision Materials Lab Technician — Soils & Concrete

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

Job summary

Construction Material Testing is seeking laboratory technicians to turn field samples into precise numbers within a documented AASHTO R18 quality system. You will work with calibrated equipment and carry accountability for every result that leaves the lab.

The role covers performing standard ASTM tests, maintaining calibration and records, logging samples, breaking cylinders, and supporting proficiency programs and accreditation reviews.

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

Careful hands

Documentation habits

Mechanical aptitude

Job description

Construction Material Testing is seeking laboratory technicians to turn field samples into precise numbers within a documented AASHTO R18 quality system. You will work with calibrated equipment and carry accountability for every result that leaves the lab.

The role covers performing standard ASTM tests, maintaining calibration and records, logging samples, breaking cylinders, and supporting proficiency programs and accreditation reviews.