Ready Mix Concrete Quality Control Technician - Experienced - Kokomo, IN

About the role

Shelby Materials is hiring a Ready-Mix Concrete Quality Control Technician to help ensure the quality, consistency, and performance of our concrete at the plant and in the field.

Responsibilities

• Perform field testing on freshly mixed concrete for slump/workability, air content, temperature, and other specified properties.
• Communicate professionally with customers and contractors on jobsites; relay relevant information and help manage pours and truck flow when needed.
• Sample and test hardened concrete specimens and maintain proper curing and handling practices.
• Document and record test results accurately; maintain detailed records of all testing activities and jobsite observations.
• Monitor production quality and work with the QC and production teams to troubleshoot issues and improve consistency.
• Assist with concrete mix design adjustments and optimization as needed to meet quality and performance standards.
• Always follow all safety protocols and quality procedures, including jobsite and task-specific safety requirements and required PPE.

Qualifications

• 1+ year experience in concrete field testing or a similar role in the construction/materials industry (preferred).
• High school diploma or equivalent required; technical training or coursework in construction materials is a plus.
• Knowledge of concrete testing methods and equipment; familiarity with relevant ASTM/ACI standards preferred.
• ACI certification preferred (or willingness to obtain).
• Ability to interpret technical specifications and communicate them clearly.
• Detail-oriented with strong analytical and problem-solving skills.
• Ability to perform basic math and measurements accurately.
• Physically able to work outdoors in all weather conditions and lift/move materials as needed.
• Valid driver's license and clean driving record.