Quality Control Technician I

Martin Marietta•Corona, CA

7d•$27 - $36•Onsite

About The Position

The Quality Tech. supports the California Market by performing entry‑level quality control testing, inspection, and documentation for aggregate and Hot Mix Asphalt (HMA) materials. The role ensures that production and placement activities comply with ASTM, AASHTO, CALTRANS, and Martin Marietta quality standards. This position works closely with Plant Operations, Dispatch, Project Management, and the Division Lab to monitor material consistency, support daily testing, and help maintain strong customer relationships. The Quality Tech. plays a key role in identifying potential quality issues, supporting environmental stewardship, and ensuring that safety remains the top priority across all tasks.

Requirements

High school diploma, GED, or relevant experience
Radiation Safety Training Certificate
No prior work experience required
Quality tools and techniques
QA standards and procedures
Time management
Effective communicator (written and spoken)
Detail oriented
Problem solving
Collaboration

Nice To Haves

6 months – 1 year in Quality Control Testing within HMA or Aggregates is preferred.

Responsibilities

Follow all Martin Marietta safety policies and procedures; ensure every task is executed with safety as the first priority.
Support environmental compliance by maintaining clean work areas, proper material handling, and adherence to environmental standards.
Perform routine testing of aggregates and HMA according to ASTM, AASHTO, CALTRANS, and internal standards. Tests may include gradation, moisture content, density, temperature, and asphalt binder content.
Work with plant operations to monitor aggregate moisture, cleanliness, and uniformity to ensure materials meet production quality targets.
Assist with sampling raw materials and support Division Lab schedules for routine and project‑specific testing.
Participate in testing and evaluation of new raw material sources under supervision; report any suspect results immediately.
Interact professionally with customers at job sites; provide basic guidance on HMA placement and compaction techniques as needed.
Conduct on‑site testing and observations to verify that delivered materials meet specifications and support resolution of quality concerns.
Maintain accurate logs of all testing performed at the lab, plant, and job sites, including observations and test results.
Communicate daily HMA testing results to plant operations, project teams, and management.
Work closely with operations, dispatch, estimators, and project management to support quality objectives.
Assist in implementing quality‑related best practices for production, delivery, and placement of materials.
Participate in occasional lab work for training, mix design support, and special projects.