Quality Lab Technician: Concrete QA & Process Improvement

Unilock; Harrison (OH); On-site; USD 42,000 - 54,000; Full time

Job summary

Unilock is seeking a Quality Lab Technician to ensure the quality of concrete paving stones and retaining wall products. You will perform absorption and density tests, inspect materials, and document results to support corrective actions.

You will operate lab equipment, enter data into ROO.AI, participate in 5S audits, safety meetings, and continuous improvement projects while ensuring compliance with safety and environmental standards.

Qualifications

• High school diploma or GED required.
• Ability to read and write in English.
• Willingness to learn; no prior QA experience required.
• Familiarity with ASTM testing is a plus.

Responsibilities

• Perform routine quality tests to verify product specs.
• Operate lab equipment including concrete compression equipment and ovens.
• Inspect raw materials, in process and finished goods for compliance.
• Enter test results into ROO.AI software.
• Identify and implement process improvements with plant teams.
• Perform weekly 5S audits for workplace organization and safety.
• Attend monthly safety meetings and support safety trainings.
• Ensure QA activities comply with safety, health, and environmental requirements.

Skills

Analytical skills

Troubleshooting

Data entry via tablets

Reading and writing English

Physical stamina

Continuous improvement mindset

Education

High school diploma or GED

Tools

ROO.AI software

Lab ovens

Concrete compression equipment

Job description

Unilock is seeking a Quality Lab Technician to ensure the quality of concrete paving stones and retaining wall products. You will perform absorption and density tests, inspect materials, and document results to support corrective actions.

You will operate lab equipment, enter data into ROO.AI, participate in 5S audits, safety meetings, and continuous improvement projects while ensuring compliance with safety and environmental standards.