Senior Materials Testing Technician (Lab & Field)

maricopa; Phoenix (AZ); On-site; USD 33,000 - 55,000; Full time

Benefits offered by this job

Tuition reimbursement

Exceptional work-life balance

Growth opportunities

Low-cost healthcare

Child care benefits

Paid vacation

Wellness program

Arizona State Retirement System

Job summary

Maricopa County Department of Transportation (MCDOT) is seeking a Materials Testing Technician Senior. The role focuses on comprehensive QA testing of soils, aggregates, asphalt, and concrete in a lab setting, with field support as needed.

You will coordinate daily work and mentor lab staff to ensure high-quality, efficient operations. The position emphasizes safety, reliability of public infrastructure, and hands-on experience with advanced testing technologies.

Qualifications

• Two years of progressively responsible experience in construction materials testing, public works materials inspection, or related engineering technician duties.
• Associate's degree or two years of college coursework in Construction Technology, Engineering, Engineering Technology, Materials Science, or related field.
• Must possess certifications for ATTI Soil and Aggregate, ATTI Asphalt, and ACI Strength.

Responsibilities

• Perform laboratory testing of all construction materials utilized in the construction of assigned projects.
• Conduct field sampling and testing to verify the adequacy of construction materials and methods.
• Participate in proficiency sample testing and support on-site certification inspections conducted by national certifying agencies to ensure compliance with applicable standards.
• Complete, analyze, and report results for assigned research/investigation and special testing projects in accordance with established procedures and supervisory direction.
• Prepare, review, and submit testing reports and summaries for accuracy and compliance.

Skills

Materials testing

Quality assurance

Lab operations

Education

Associates degree

Coursework in Construction Tech

Tools

ATTI Soil & Aggregate

ATTI Asphalt

ACI Strength

Job description

Maricopa County Department of Transportation (MCDOT) is seeking a Materials Testing Technician Senior. The role focuses on comprehensive QA testing of soils, aggregates, asphalt, and concrete in a lab setting, with field support as needed.

You will coordinate daily work and mentor lab staff to ensure high-quality, efficient operations. The position emphasizes safety, reliability of public infrastructure, and hands-on experience with advanced testing technologies.