Jobs · Quality Assurance · California

Quality Control Technician

Martin Marietta · San Diego, CA · 1 wk ago
Quality Assurance$25–$33/hrPart-time

About the role

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, 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.

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.

Requirements

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

Skills

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

Physical Requirements

  • Must be able to lift and carry up to 50 lbs. for equipment servicing.
  • Required to bend, stoop, climb, and reach.
  • Must be able to maintain three points of contact when climbing on/off machinery or on ladders.
  • Must have good depth perception with or without seeing aid for distances up to 150 feet.

Working Conditions

  • All duties require outside assignments and require periods of work in all weather conditions: cold, wet, dry, and dusty.
  • Must be able to work in areas where noise levels are up to 85 dbs.

Additional Details

In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential.

Pay

The hiring range for this position is $25.00 - $33.00 per hour, exclusive of benefits or bonuses. The offered base compensation will be determined based on factors such as geographic location, business need, market conditions, proficiencies, skills, education, and experience.

Benefits

  • Medical, dental, and vision coverage.
  • Prescription drug coverage.
  • Health savings accounts.
  • Flexible spending accounts.
  • Life, AD&D, and disability insurance.
  • 401(k) with a company match and an employer-funded defined benefit pension plan.
  • Paid time off and holidays.
  • Education/tuition assistance.
  • Employee discount program.
  • Adoption assistance.
  • Wellness programs.
  • Salary Continuation – Short-Term Disability.
  • Long-Term Disability Options.
  • Employee Life Insurance.
  • Spouse & Dependent Life Insurance.
  • Business Travel Accident Insurance.
  • Direct Deposit Payroll.
  • Educational/Tuition Assistance Plan.
  • College Scholarship Program – for dependent children.
  • Matching Gift Program.
  • New Auto Purchase Discount Plans.

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