Quality Control Technician

Martin Marietta; Litchfield Park (AZ); On-site; USD 42,000 - 64,000; Full time

Job summary

Martin Marietta is seeking a Quality Control Technician to perform routine laboratory testing of aggregate materials and HMA. The role supports Colorado Market processes but operates in alignment with ASTM, AASHTO, CDOT, and internal standards, ensuring quality and conformity to specifications.

You will work with Plant Operations, Dispatch, Project Management, and the Division Lab to monitor material consistency, document results, and uphold safety and environmental policies across all tasks.

Qualifications

• Follow QA standards and procedures to ensure materials meet specs.
• Demonstrate time management to handle multiple tests and logs.
• Communicate clearly in written and verbal form with team and customers.
• Maintain attention to detail in testing and data recording.
• Apply problem-solving skills to identify and address quality issues.
• Collaborate with plant operations, dispatch, and project teams.
• Utilize quality tools and techniques to support testing and documentation.

Responsibilities

• Perform routine testing of aggregates and HMA per ASTM, AASHTO, CDOT, and internal standards.
• Maintain accurate test logs for lab, plant, and job sites.
• Report testing results daily to operations, project teams, and management.
• Assist in sampling raw materials and scheduling tests.
• Support on-site testing and evaluation of new material sources.
• Participate in lab work for training and special projects.

Skills

QA standards

Time management

Effective communicator

Detail oriented

Problem solving

Collaboration

Quality tools

Education

High school diploma or GED

CAPA Levels A & B

Radiation Safety Training

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 SUMMARYThe 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 RESPONSIBILITIESFollow 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.QUALIFICATIONSEducationHigh school diploma, GED, or relevant experienceCAPA Levels A & B certification is requiredRadiation Safety Training CertificateWork ExperienceNo prior work experience required; 6 months – 1 year in Quality Control Testing within HMA or Aggregates is preferred.Knowledge, Skills, and AbilitiesQuality tools and techniquesQA standards and proceduresTime managementEffective communicator (written and spoken)Detail orientedProblem solvingCollaborationADDITIONAL DETAILSPhysical RequirementsMust 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.