Materials Lab Technician: Soils & Concrete Quality Testing

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

Job summary

Construction Material Testing in Carmel, Indiana, seeks Laboratory Technicians to turn field samples into numbers for Proctor curves, sieve analyses, Atterberg limits, moisture contents, and compressive strength breaks. You will operate in an AASHTO R18 quality system with calibrated equipment and take accountability for every result.

Your role involves performing standard tests, maintaining calibration and records, logging samples, and reporting results promptly to ensure project timelines stay

Qualifications

• Careful hands and 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

Careful hands

Documentation habits

Mechanical aptitude

Job description

Construction Material Testing in Carmel, Indiana, seeks Laboratory Technicians to turn field samples into numbers for Proctor curves, sieve analyses, Atterberg limits, moisture contents, and compressive strength breaks. You will operate in an AASHTO R18 quality system with calibrated equipment and take accountability for every result.

Your role involves performing standard tests, maintaining calibration and records, logging samples, and reporting results promptly to ensure project timelines stay