Concrete & Density Quality Control Technician

About the role

Sinacola is a 100% employee-owned organization fostering a strong team atmosphere where everyone shares in the success through our Employee Stock Ownership Plan. We seek a Concrete & Density Quality Control Technician to monitor fresh concrete properties, verify compliance, and maintain accurate documentation on active construction sites and batch plants.

Responsibilities

• Monitor fresh concrete properties and verify compliance with approved mix designs and project specifications.
• Assist with trial batches, mix adjustments, troubleshooting, and evaluation of concrete performance.
• Perform aggregate sampling, moisture testing, and other routine material checks as assigned.
• Inspect aggregate stockpiles and material storage areas for contamination, segregation, or other quality concerns.
• Maintain accurate field reports, test records, batch-related QC documentation, and specimen tracking.
• Immediately report out-of-specification or unusual concrete results to the Quality Control Manager.
• Perform slump testing, measure concrete temperature and air content.
• Determine unit weight, yield, and gravimetric air content.

Requirements

• High school diploma.
• Valid driver’s license and acceptable Motor Vehicle Report.
• Basic computer skills, including Microsoft Excel, Word, email, and electronic reporting systems.
• Strong attention to detail and ability to maintain accurate records.
• Ability to perform basic mathematical calculations involving density, moisture, percent compaction, and concrete testing.
• Ability to read project specifications, mix designs, batch tickets, Proctor reports, and testing documentation.
• Clear communication of test results and nonconforming conditions.
• Ability to work outdoors at active construction sites and batch plants in varying weather conditions.
• Regularly stand, walk, bend, kneel, climb, and work around heavy equipment.
• Ability to lift and handle materials weighing approximately 50–75 lbs.

Qualifications

• ACI Concrete Field-Testing Technician – Grade I (preferred).
• Nuclear Gauge Operator / Radiation Safety Training as required by the company’s radioactive materials license (preferred).
• Safe operation and handling of nuclear density gauges.
• Agency-specific certifications (TxDOT, municipal, airport, or other owner requirements) when applicable to assigned projects.
• Hazardous Materials / DOT transportation training when required for assigned nuclear gauge transportation duties.
• Bachelor’s degree in Civil Engineering, Civil Engineering Technology, or Construction.
• Minimum of 5 years of experience in airport and/or highway construction.
• Minimum of 5 years of quality control experience on large heavy civil projects.
• Certification in Engineering Technologies (NICET) (preferred).
• DFW Airport experience is a plus.

Benefits

• Comprehensive insurance coverage including medical, dental, vision, disability, and life insurance.
• Employee Stock Ownership Plan (ESOP).
• Generous paid time off and paid holidays.