Heidelberg Materials is one of the world's largest suppliers of building materials. Heidelberg Materials North America operates over 450 locations across the U.S. and Canada with approximately 9,000 employees. Perform routine quality control tests on raw materials and finished products. Accurately record and report test results to ensure compliance with specifications. Maintain and calibrate laboratory equipment to guarantee reliability. Communicate findings and collaborate with production teams to resolve quality issues. Support continuous improvement initiatives related to product quality.