Precision Soils & Concrete Laboratory Technician

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

Job summary

Construction Material Testing in Naperville, IL seeks a diligent Laboratory Technician to convert field samples into data within an AASHTO R18 quality system. You'll run tests, document results, and maintain chain of custody with calibrated equipment and strict accountability.

Responsibilities include performing ASTM D698, D1557, D2216, D4318, C136, and C39 tests, logging samples, breaking cylinders, and supporting proficiency programs. Training is provided to build a strong technical foundation.

Qualifications

• Careful hands and clean documentation habits are essential.
• Prior lab or CMT experience is a plus but not required — training provided.
• 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

Mechanical aptitude

Job description

Construction Material Testing in Naperville, IL seeks a diligent Laboratory Technician to convert field samples into data within an AASHTO R18 quality system. You'll run tests, document results, and maintain chain of custody with calibrated equipment and strict accountability.

Responsibilities include performing ASTM D698, D1557, D2216, D4318, C136, and C39 tests, logging samples, breaking cylinders, and supporting proficiency programs. Training is provided to build a strong technical foundation.