Quality Control Technician

00002 Martin Marietta Materials, Inc.; United States; On-site; USD 36,000 - 50,000; Full time

Job summary

The Quality Tech. supports the Colorado 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, CDOT, 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

Qualifications

• Educational credentials and certifications required for quality testing.
• CAPA levels A & B certification is required.
• Radiation Safety Training Certificate is required.
• No prior experience required; 6 months to 1 year QC testing in HMA/Aggregates preferred.

Responsibilities

• Follow safety policies with priority on safety.
• Perform routine testing of aggregates and HMA per standards.
• Monitor moisture, cleanliness and material uniformity with operations.
• Maintain logs of testing at lab, plant and job sites.
• Communicate daily testing results to operations and management.

Skills

QA tools

QA standards

Time management

Effective communicator

Education

High school diploma or GED or relevant experience

CAPA Levels A & B

Radiation Safety Training

No prior experience required; 6–12 months QC testing preferred

Job description

The Quality Control Technician will be responsible for sampling and performing routine laboratory testing of aggregate materials. The QC Tech uses prescribed standards to determine gradational and/or physical characteristics for quality control purposes and determine conformity to specifications.

JOB SUMMARY

The Quality Tech. supports the Colorado 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, CDOT, 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.

KEY DUTIES AND 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, CDOT, 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.

QUALIFICATIONS

• Education High school diploma, GED, or relevant experience
• CAPA Levels A & B certification is required
• Radiation Safety Training Certificate
• Work Experience No prior work experience required; 6 months – 1 year in Quality Control Testing within HMA or Aggregates is preferred.

Knowledge, Skills, and Abilities

Quality tools and techniques QA standards and procedures Time management Effective communicator (written and spoken) Detail oriented Problem solving Collaboration

ADDITIONAL DETAILS

Physical Requirements Must be able to lift and carry up to 50 lbs. for equipment servicing. Required to bend, stoop, climb, and reach. You must be able to maintain three points of contact when climbing on/off machinery or on ladders.

Company Culture

Every member of our ONE Martin Marietta team is driven by our shared values of safety, integrity, excellence, community and stewardship. We are a member of the S&P 500 Index and a leading supplier of aggregates and heavy building materials. Through a network of operations spanning 29 states, Canada and the Bahamas, our teammates supply the foundational resources on which our communities thrive and grow. Our Specialties business provides high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications. In a world that's focused on the power of many, we believe in the power of ONE – the magic of bringing together our unique perspectives, experiences and talents to evolve a shared vision and future. Our backgrounds may vary, but our voices come together in support of the same goals. We want to build legacies for ourselves and our loved ones, strengthen our communities and safely and responsibly engage in work we know will make a difference.