Ready-Mix Concrete Quality Control Technician

Position Overview

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.

If you're detail-oriented, safety-focused, and enjoy being hands-on in the field this is a great opportunity to build a long-term career with a trusted local company.

Why Work at Shelby Materials?

As a Quality Control Technician at Shelby Materials, you'll enjoy:

• Competitive Hourly Pay - With excellent benefits, bonus eligibility, and company provided vehicle.
• Generous 401(k) Plans - Traditional 401(k) and Roth 401(k) with one of the industry's highest employer matches.
• Affordable Health Insurance - Zero-Premium High-Deductible Health Plan available, in addition to low premium, low deductible and PPO plans.
• Health Savings Account (HSA) and Wellness Program with match and participation contributions from Shelby Materials into your HSA account.
• Generous Paid Holidays and Paid Time Off
• In-House Orientation Program - Classroom time then partnered with a senior QC technician for hands-on learning.
• Employer-Provided PPE and Safety Gear – PPE, high-visibility workwear, and more

About the Role

As a Quality Control Technician, you will play a key role in supporting ready-mix operations and jobsite success by performing field and lab testing to confirm concrete meets ASTM/ACI and job-specific requirements. You will test fresh concrete, prepare and test cylinders, document results, and communicate issues quickly so pours stay on track.

Key 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.

Quality Control Technician 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.

About Shelby Materials

Shelby Materials delivers high-quality concrete, on-time and in-spec, to a wide variety of customers and jobs.

Founded on Veterans Day in 1951, Shelby Materials is based in Shelbyville, Indiana, and has 12 locations serving Central Indiana. We supply ready-mix concrete and aggregate materials for diverse projects, from hospitals and industrial buildings to roads and residential developments. We even provide specialty concrete for golf courses, including those at Indiana University and Purdue University.

If you're ready to make a difference and build your career with a trusted local company, apply today!