Precision Materials Lab Technician

Construction Material Testing; Sioux Falls (SD); On-site; USD 34,000 - 48,000; Full time

Job summary

Construction Material Testing in Sioux Falls, SD is seeking a Laboratory Technician to turn field samples into the numbers used for Proctor curves, sieve analyses, Atterberg limits, moisture contents, and compressive strength breaks.

You will work inside a documented AASHTO R18 quality system with calibrated equipment and accountability for every result that leaves the lab. Training is provided, and overtime may be required during busy seasons.

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

Mechanical aptitude

Clean documentation

Job description

Construction Material Testing in Sioux Falls, SD is seeking a Laboratory Technician to turn field samples into the numbers used for Proctor curves, sieve analyses, Atterberg limits, moisture contents, and compressive strength breaks.

You will work inside a documented AASHTO R18 quality system with calibrated equipment and accountability for every result that leaves the lab. Training is provided, and overtime may be required during busy seasons.