Quality Technician: Aggregate & HMA Testing (Entry-Level)

Martin Marietta; Litchfield Park (AZ); On-site; USD 36,000 - 52,000; Full time

Job summary

Martin Marietta is seeking a Quality Tech. to support the Colorado Market by performing entry-level quality control testing, inspection, and documentation for aggregate and Hot Mix Asphalt (HMA) materials.

The role ensures compliance with ASTM, AASHTO, CDOT, and company quality standards. The position collaborates with Plant Operations, Dispatch, Project Management, and the Division Lab to monitor material consistency, support daily testing, and maintain strong customer relationships while

Qualifications

• High school diploma or GED; relevant experience accepted.
• CAPA Levels A & B certification required.
• Radiation Safety Training Certificate required.

Responsibilities

• Follow safety policies, ensure priority on health and safety.
• Support environmental compliance and proper material handling.
• Perform routine testing of aggregates and HMA per standards (grad, moisture, density, temperature, binder).
• Monitor moisture, cleanliness, and uniformity in coordination with plant operations.
• Assist with sampling of raw materials and lab schedules.
• Test new raw material sources under supervision and report suspect results.
• Interact with customers on-site and provide basic HMA guidance.
• Conduct on-site testing to verify material specifications and resolve quality concerns.
• Maintain logs of all testing at lab, plant, and job sites.
• Communicate daily HMA results to plant ops, project teams, and management.
• Collaborate with operations, dispatch, estimators, and project management to support quality objectives.
• Assist in implementing quality-related best practices and participate in lab training.

Skills

Quality tools

QA standards

Time management

Communication

Detail oriented

Problem solving

Collaboration

Education

High school diploma or GED

CAPA Levels A & B

Radiation Safety Training

Job description

Martin Marietta is seeking a Quality Tech. to support the Colorado Market by performing entry-level quality control testing, inspection, and documentation for aggregate and Hot Mix Asphalt (HMA) materials.

The role ensures compliance with ASTM, AASHTO, CDOT, and company quality standards. The position collaborates with Plant Operations, Dispatch, Project Management, and the Division Lab to monitor material consistency, support daily testing, and maintain strong customer relationships while