Precision Materials Lab Technician: Soils & Concrete QA

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

Job summary

Construction Material Testing is seeking a laboratory technician to turn field samples into numbers using Proctor curves, sieve analyses, Atterberg limits, moisture contents, and strength tests. You will operate within an AASHTO R18 quality system with calibrated equipment and hold yourself accountable for every result.

Responsibilities include performing standard ASTM tests, maintaining calibration and records, logging samples, breaking cylinders, and supporting proficiency programs.

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 testing per listed standards.
• 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 is seeking a laboratory technician to turn field samples into numbers using Proctor curves, sieve analyses, Atterberg limits, moisture contents, and strength tests. You will operate within an AASHTO R18 quality system with calibrated equipment and hold yourself accountable for every result.

Responsibilities include performing standard ASTM tests, maintaining calibration and records, logging samples, breaking cylinders, and supporting proficiency programs.