Precision Materials Lab Technician (Soils & Concrete)

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

Job summary

Construction Material Testing in Aberdeen, SD seeks laboratory technicians to turn field samples into numbers used in 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 real accountability for every result.

Responsibilities include performing ASTM tests, maintaining calibration and records, logging samples, breaking cylinders and reporting strength results

Qualifications

• Careful hands with clean documentation habits.
• 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 habits

Mechanical aptitude

Job description

Construction Material Testing in Aberdeen, SD seeks laboratory technicians to turn field samples into numbers used in 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 real accountability for every result.

Responsibilities include performing ASTM tests, maintaining calibration and records, logging samples, breaking cylinders and reporting strength results