CMT Technician

Design Hire LLC; Richmond (VA); On-site; USD 52,000 - 76,000; Full time

Job summary

Design Hire LLC in Richmond, VA seeks a CMT Technician to perform field testing of soils and concrete on construction projects, documenting results for compliance with DOT requirements.

You will collect samples, run slump, air content, temperature tests, and cylinder tests, coordinate with project teams, and maintain calibration records while following DOT procedures and ASTM standards. Travel to multiple sites with a valid license; prior CMT experience and ACI Grade I certification preferred.

Qualifications

• Experience in construction materials testing.
• ACI Concrete Field Testing Technician Grade I certification.
• Nuclear density gauge experience and radiation safety certification.
• Familiarity with DOT testing and documentation requirements.
• Ability to read project plans, specifications, and testing procedures.

Responsibilities

• Perform field testing of soils, concrete, and construction materials.
• Conduct concrete sampling, slump, air content, temperature, and cylinder testing.
• Complete soil density and compaction testing using a nuclear density gauge.
• Inspect site conditions and verify work against plans and specifications.
• Accurately document test results, field observations, and deficiencies.
• Communicate findings with contractors, project managers, engineers, and inspectors.
• Follow DOT procedures, ASTM standards, and company safety requirements.
• Maintain testing equipment and required calibration records.

Skills

Soil testing

Concrete testing

Field documentation

Plan and specs reading

Travel readiness

Tools

Nuclear density gauge

Job description

Richmond, United States | Posted on 08/05/2026

We’re seeking a CMT Technician to perform field testing and inspections on construction projects. This position will primarily test soils and concrete while documenting results for compliance with project specifications and DOT requirements.

Key Responsibilities

• Perform field testing of soils, concrete, and construction materials.
• Conduct concrete sampling, slump, air content, temperature, and cylinder testing.
• Complete soil density and compaction testing using a nuclear density gauge.
• Inspect site conditions and verify work against plans and specifications.
• Accurately document test results, field observations, and deficiencies.
• Communicate findings with contractors, project managers, engineers, and inspectors.
• Follow DOT procedures, ASTM standards, and company safety requirements.
• Maintain testing equipment and required calibration records.

Required Experience

• Construction materials testing, geotechnical, inspection, or construction field experience.
• ACI Concrete Field Testing Technician Grade I certification.
• Experience testing soils and concrete.
• Nuclear density gauge experience and applicable radiation safety certification.
• Familiarity with DOT testing and documentation requirements.
• Ability to read project plans, specifications, and testing procedures.
• Valid driver’s license and ability to travel between project sites.

Preferred Experience

• DOT certifications or prior experience on roadway and infrastructure projects.
• Familiarity with ASTM, AASHTO, and quality control procedures.
• Additional certifications in soils, asphalt, concrete, or special inspections.
• Experience preparing daily field reports and electronic testing records.

Design Hire is proud to be an Equal Employment Opportunity / Aff…

Employment Eligibility

If hired, a Form I-9 Employment Eligibility Verification must be completed at the start of employment. Temporary work authorization or the need for sponsorship may disqualify you from employment .