Aggregate QC Technician: Field & Lab Testing Pro

Zumwalt Quarry; San Antonio (TX); On-site; USD 40,000 - 68,000; Full time

Job summary

H.L. Zumwalt Quarry Operations in Texas is seeking an Aggregate Quality Control Technician to perform daily aggregate testing, sampling, and documentation in support of construction materials.

You will test aggregates, sand, and stone, ensure compliance with ASTM/AASHTO/TXDOT standards, lift up to 50 lbs, and work outdoors on a safety-focused team dedicated to durable infrastructure. Join a family-owned operation committed to quality and reliability, with opportunities to grow within a dedicated

Qualifications

• 5 years QC/QA lab experience.
• Proficiency in Microsoft Office.
• Ability to lift 50 lbs and work outdoors.

Responsibilities

• Collect and test aggregate, sand, and stone samples.
• Perform lab/field tests and record results.
• Work with accredited labs for verification testing.

Skills

QC/QA experience

Microsoft Office

Tools

Microsoft Office

Job description

H.L. Zumwalt Quarry Operations in Texas is seeking an Aggregate Quality Control Technician to perform daily aggregate testing, sampling, and documentation in support of construction materials.

You will test aggregates, sand, and stone, ensure compliance with ASTM/AASHTO/TXDOT standards, lift up to 50 lbs, and work outdoors on a safety-focused team dedicated to durable infrastructure. Join a family-owned operation committed to quality and reliability, with opportunities to grow within a dedicated